MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by multiple heuristics, including ClamAV and an ML classifier, as malicious. It contains a large number of external links, identified as a 'PDF_SEO_LINK_FARM', suggesting an attempt to manipulate search engine results or redirect users to malicious sites. The primary IOC is the URL 'https://traffset.ru/123?utm_term=potty+racers+5+y8', which is embedded within the document.
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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://traffset.ru/123?utm_term=potty+racers+5+y8
- https://cdn-cms.f-static.net/uploads/4366642/normal_5fc1deb919ceb.pdf
- https://static.s123-cdn-static.com/uploads/4449984/normal_5fcaae1f9efc3.pdf
- https://cdn-cms.f-static.net/uploads/4369507/normal_5fa500d1c507f.pdf
- https://tivakoxidedopa.weebly.com/uploads/1/3/0/7/130776298/zupojez_zipufukenoxowa.pdf
- https://cdn-cms.f-static.net/uploads/4376120/normal_5fa3d67c4446c.pdf
- https://cdn-cms.f-static.net/uploads/4416322/normal_5fa12a412cdca.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/84f36d21-aee8-445e-8498-5b8396c5bcaa/lafitabazijulamitoza.pdf
- https://s3.amazonaws.com/tajimipojimo/vapuwelalarigiloxiritune.pdf
- https://uploads.strikinglycdn.com/files/caaa8422-c218-4309-ab8f-7558a5ed8875/new_xxx_video_2017.pdf
- https://s3.amazonaws.com/mutirexa/lonely_planet_guide_vietnam_cambodia_laos.pdf
- https://s3.amazonaws.com/sugaguxagu/thermic_effect_of_food.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_off0000d38f.bin8e854c94ebc055668f38c95e9908de93c303c536825b79770f29262915b09af3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD38F | 5180 bytes |
font_01_sfnt_off0000e546.bin42ce4e670f85f2e534e6221bd15565a88b1c36a60009994d735379c1442110f5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE546 | 10408 bytes |
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