MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to other PDFs hosted on compromised websites, suggesting a phishing or credential harvesting campaign. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were directly extracted, the PDF structure and embedded links are indicative of a malicious document designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16086ce8f1af55---9872691970.pdf In PDF document text
- https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/2635316fb2a6ce33bdd5ef18d4da72fa/modivenapixidenap.pdfIn PDF document text
- http://shuswapladystriders.ca/userfiles/file/6636940745.pdfIn PDF document text
- http://righetti-ticozzi.it/userfiles/files/95754510822.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f785a06838---losuwarid.pdfIn PDF document text
- http://htygroup.com/upload/files/32039557919.pdfIn PDF document text
- https://vibangnhadat.com/uploads/files/papipikejoxodi.pdfIn PDF document text
- http://skikk.nl/app/webroot/files/userfiles/files/40089381757.pdfIn PDF document text
- http://xatrbio.com/userfiles/file/34665872309.pdfIn PDF document text
- https://drbumbnursinghome.in/ckfinder/userfiles/files/31519888881.pdfIn PDF document text
- http://citadelcaralarms.com/userfiles/file/52796161745.pdfIn PDF document text
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afa62b518ca---xudajazijemolovomudano.pdfIn PDF document text
- https://espiber.cl/images/uploadedimages/file/87844208030.pdfIn PDF document text
- http://akicgiyim.com/userfiles/file/17908140682.pdfIn PDF document text
- http://snnet.kr/board_pds/fckeditor/2021/06/file/witiveboxosimiwojefuwipib.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/0ii5ilennjrlqdhln8jplqe7r2/tekudobo.pdfIn PDF document text
- http://clarksville.net/wysiwygfiles/file/36344526853.pdfIn PDF document text
- http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1609f32a02f49a---zobabifoka.pdfIn PDF document text
- https://kaptenhoki.com/contents//files/ditexekoketumegido.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=fundamentos+de+administraci%C3%B3n+financiera+j+fred+weston+eugene+f+brighamPDF 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_off0000d463.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD463 | 18192 bytes |
SHA-256: 76013ac7247e67a02e23c6325984257192ff923106655c368abb052a05cfc112 |
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font_01_sfnt_off0001034e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1034E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011b65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B65 | 11448 bytes |
SHA-256: 9bbe1bb52c7710ec4ea611d7be206aade3857eef65862436de0b0b391b245c82 |
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