MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to manipulate search results or direct users to malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or SEO spam.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
Heuristics 6
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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 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://machinex-machines.com/UserFiles/File/75807614012.pdf In PDF document text
- http://hrudolf.com/userfiles/99495332072.pdfIn PDF document text
- http://wrtour.com/FileData/ckfinder/files/20210731_72BE0C3BCADE8B00.pdfIn PDF document text
- http://jyotiacademicpress.org/uploads/file/42067522097.pdfIn PDF document text
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/d0ctfgf5svuq3diip7sf7vi426/fefeb.pdfIn PDF document text
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6ab1f9b559---19388030824.pdfIn PDF document text
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098dbfe2ed82---puranejelubube.pdfIn PDF document text
- http://schokoladenbrunnen.de/idata/jodesugol.pdfIn PDF document text
- http://ihdbd.org/upload/files/92791712031.pdfIn PDF document text
- http://risme.vn/files/90098440199.pdfIn PDF document text
- https://vnmmalta.com/userfiles/file/63860009139.pdfIn PDF document text
- https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/kh8ip4ro47m1eil5hbbkd5bgu1/fatuban.pdfIn PDF document text
- http://xn--clinicaquirogavilario-vbc.com/wp-content/plugins/super-forms/uploads/php/files/35s4sujqa5t05irsbu4lm8smm3/filowotimelumate.pdfIn PDF document text
- https://mytekas.com/UserFiles/file/vosiveluz.pdfIn PDF document text
- http://ks4073.com/file_media/file_image/file/80091352837.pdfIn PDF document text
- https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/1907584d40226a0471f3a539fbf44890/xupekigo.pdfIn PDF document text
- http://anpharma.net/upload/files/21474571014.pdfIn PDF document text
- https://www.vedaaz.com/wp-content/plugins/super-forms/uploads/php/files/1fadea4594d70709239ca56225a0c9e4/futimisug.pdfIn PDF document text
- http://prestinoequitacion.com/imagenes/upload/files/88878619460.pdfIn PDF document text
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16084331501c75---44907638917.pdfIn PDF document text
- https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/4b4803631339a4dfb13355c13573d74c/5061861677.pdfIn PDF document text
- http://prinsart.ro/uploads/files/milodiradoj.pdfIn PDF document text
- http://arslanemlak.com/E/file/bolimisivamomo.pdfIn PDF document text
- http://cnmrobotics.com/files/files/zorupufuruw.pdfIn PDF document text
- https://samowar.me/userfiles/files/moruvakikimo.pdfIn PDF document text
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/a178452970cd4f5d89c3f55e3470f4ef/jokelop.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=logic+gates+ic+numbers+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_off0000ba7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA7E | 16176 bytes |
SHA-256: 78ca06bbf1a51b6596bbda708000cb735433136750fc99f8cda5d5cd232077b2 |
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font_01_sfnt_off0000e409.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE409 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fc20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC20 | 11112 bytes |
SHA-256: 459a607eb01f1a97c977a39c3ab7336f8bd30af9d8db70118b12fbf8336360e9 |
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