MALICIOUS
216
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to external resources, many hosted on compromised WordPress sites, suggesting a phishing or malware distribution attempt. The 'PDF_IMAGE_LURE' heuristic indicates it's likely an image-based document with a hidden clickable element to redirect the user. ClamAV detection and ML classification further support its malicious nature, pointing towards a trojanized PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
Heuristics 8
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://clinicamanila.com/ckfinder/userfiles/files/20518243686.pdf In PDF document text
- https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/dfb827e6d5f3e293f199e866d16b12b2/votupijof.pdfIn PDF document text
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/patfd17gln069r46kk0t4f3vn3/wabifevamukut.pdfIn PDF document text
- http://bischofs-scheune.de/userfiles/file/43747125244.pdfIn PDF document text
- https://travolution.travel/wp-content/plugins/super-forms/uploads/php/files/ed397c7ad8673dc1890c983e26a25940/mabutovaluruzave.pdfIn PDF document text
- https://omomediacion.com/wp-content/plugins/super-forms/uploads/php/files/8bfb376ec464145dc5e81022480008ef/72035361916.pdfIn PDF document text
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a46d634789b---makex.pdfIn PDF document text
- http://cainghienbinhduong.com/uploads/userfiles/file/wovevumolazuluguwunas.pdfIn PDF document text
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8a9fbe79ef---9371764343.pdfIn PDF document text
- https://expobar.vn/app/webroot/files/images/pages/files/7855334681.pdfIn PDF document text
- http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a67551e994d---nuwunebuxu.pdfIn PDF document text
- https://www.drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160f0e6908f0bf---38361937594.pdfIn PDF document text
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/8406ab2a9825889d4b357f087c7fa0b4/22984800513.pdfIn PDF document text
- https://hattoco.vn/images/ckeditor/files/bunanulev.pdfIn PDF document text
- http://escrima-rlp.de/userfiles/file/nezepavizudefagokuk.pdfIn PDF document text
- https://mobistore.co.nz/wp-content/plugins/super-forms/uploads/php/files/0e6b70358c2c038c27f6307655efac70/84489070955.pdfIn PDF document text
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/50l235ae2nkagvh9k0jqc98s34/jasutazilubifajipe.pdfIn PDF document text
- http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/16072dad588f0c---27053667278.pdfIn PDF document text
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/1606d020f1addf---26002255113.pdfIn PDF document text
- http://naturabliskociebie.pl/userfiles/file/81434709983.pdfIn PDF document text
- http://tutek.eu/userfiles/file/vesaraxosokifepivaxi.pdfIn PDF document text
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/ebni4rqa3d60fd2ipre82qaea0/xarubatinenuzukarisunox.pdfIn PDF document text
- https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/ch9cn7odkb4ikul0jcniub0794/fovegufemusit.pdfIn PDF document text
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160eca3df08cab---80638565354.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/j3bo0ojtqgrndodinieq41vno7/wirutipimu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=ostentacion+definicion+pdfPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b494.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB494 | 14108 bytes |
SHA-256: deee21714bd3af6553aa337f21fdce730497bf78f181f907b99664d8cc471878 |
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font_01_sfnt_off0000d756.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD756 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ef6d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF6D | 10492 bytes |
SHA-256: 2dc39f7e6eb6343cba982895ab90edf54ea94e6ef2628a3a7d6177dc65a71cc3 |
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