MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains numerous external links, a common tactic for link farms or phishing campaigns. The heuristic PDF_SEO_LINK_FARM and the presence of an external URI pointing to 'traffnew.ru' strongly suggest a malicious intent to redirect users. While no scripts were explicitly extracted, the ML classifier and ClamAV detection indicate a high likelihood of malicious content, possibly embedded within the PDF structure or via obfuscated JavaScript.
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://traffnew.ru/123?utm_term=unblocked+all+your+favourite+sites
- https://cdn-cms.f-static.net/uploads/4416796/normal_5f99d2a79c095.pdf
- https://cdn-cms.f-static.net/uploads/4409102/normal_5faafde48df3f.pdf
- https://sosuwijanifoval.weebly.com/uploads/1/3/4/5/134515130/jarunirinekob-xiwus-batajase.pdf
- https://cdn-cms.f-static.net/uploads/4367625/normal_5fd926b129e08.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://s3.amazonaws.com/donake/galigafapulikakopadazeba.pdf
- https://s3.amazonaws.com/nitidadufetenu/irs_form_charitable_remainder_unitrust.pdf
- https://s3.amazonaws.com/pulujolatepuv/71235173802.pdf
- https://s3.amazonaws.com/xomudufe/doc_martens_uk_size_guide.pdf
- https://s3.amazonaws.com/fixararololu/employee_performance_evaluation_sample_phrases.pdf
- https://s3.amazonaws.com/tokudapele/xobusifokamuserofotal.pdf
- https://s3.amazonaws.com/napisakaluja/loruxokogivewis.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_off0000d0d9.bincce934bc4acb075259b595df3455b105743b71dbbf543bdc003beca86fef41b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0D9 | 5256 bytes |
font_01_sfnt_off0000e2ca.bin4b906eadbf4b0b8efad010b5b6abf7fe70cc4b50c555ea78e36a83e06c7ce6af |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2CA | 10776 bytes |
font_02_sfnt_off0001078b.bin9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1078B | 4324 bytes |
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