MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a mass of external links, identified as a link farm, with one prominent URL pointing to a suspicious domain. The ClamAV detection and ML classifier strongly indicate maliciousness, classifying it as a phishing trojan. The document body, though heavily obfuscated, contains references to 'wkhtmltopdf' and a date, suggesting it was generated programmatically to appear as a benign document, likely to trick users into clicking the malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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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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://traffine.ru/strik?utm_term=word+family+games+online+free
- https://cdn-cms.f-static.net/uploads/4503387/normal_5fd1e28e575db.pdf
- https://cdn.sqhk.co/xobanozizesa/uZahioy/craftsman_new_homes.pdf
- https://cdn-cms.f-static.net/uploads/4384647/normal_5fa2c3deb1efc.pdf
- https://fetepidema.weebly.com/uploads/1/3/4/6/134684810/6013b.pdf
- https://cdn.sqhk.co/sejujona/hjshcgc/38846699394.pdf
- https://static.s123-cdn-static.com/uploads/4412591/normal_5fe4bf7dddffa.pdf
- https://cdn-cms.f-static.net/uploads/4367271/normal_5f88f6cf1ea49.pdf
- https://cdn-cms.f-static.net/uploads/4445742/normal_5fd1aa4fd0559.pdf
- https://cdn-cms.f-static.net/uploads/4469827/normal_5fd66285342ba.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://uploads.strikinglycdn.com/files/7f344c78-a85f-49e2-907f-34551b9dc665/69413714199.pdf
- https://uploads.strikinglycdn.com/files/93c526e7-71da-4e77-b865-c4a84e50649b/fobelavu.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d2a2.binda7ae22ec839615b0ec79054a718336d3d8f5f428e2dab7f143a838766234979 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2A2 | 5052 bytes |
font_01_sfnt_off0000e3c2.bin1a0ca56be1472d7ce75a3586badfcee688a2171442508257bda7911732ba8346 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3C2 | 9820 bytes |
font_02_sfnt_off00010570.bin4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10570 | 4324 bytes |
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