MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, with a primary link pointing to 'trafffe.ru'. This heuristic, combined with ClamAV detection and ML classification, strongly suggests malicious intent. The document body, though heavily obfuscated, appears to be a lure related to 'Louise Schofield archaeologist biogr', likely intended to trick users into visiting the malicious URL for phishing or to download further malware.
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://trafffe.ru/strik?utm_term=louise+schofield+archaeologist+biogr
- https://cdn-cms.f-static.net/uploads/4408701/normal_5fb308d6a64ab.pdf
- https://cdn-cms.f-static.net/uploads/4486775/normal_5fa84ccea412b.pdf
- https://gematisi.weebly.com/uploads/1/3/4/5/134599806/1245221.pdf
- https://cdn-cms.f-static.net/uploads/4388407/normal_5f9d3a34e04e6.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/86fa4bb2-1069-4d0e-bc07-f2e46846d74a/lusoru.pdf
- https://uploads.strikinglycdn.com/files/65ce8a20-8891-40ab-819b-e3cac0b34505/8710114740.pdf
- https://s3.amazonaws.com/sulasatevirexo/the_art_book_big_ideas_simply_explained.pdf
- https://uploads.strikinglycdn.com/files/e251365d-60e0-4bf1-8bec-f9e30e29dd85/17895059195.pdf
- https://s3.amazonaws.com/gezetega/60047713997.pdf
- https://uploads.strikinglycdn.com/files/d2750a86-4ba1-44a2-9dad-4949ad6501a4/81039164470.pdf
- https://uploads.strikinglycdn.com/files/ef174503-f8d3-47cf-862c-5bb670451b60/tewoviw.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c6ec.bin57a8e056453e85747142977cd2933d1b057b10ebfe7937b5d9ef160acdd69877 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6EC | 5364 bytes |
font_01_sfnt_off0000d925.bine863f45a7fb0561b2f429d23fc254e82aa5d990915c8d8b5eaf843116298a319 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD925 | 10628 bytes |
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