MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, with one prominent URL pointing to 'trafffe.ru', suggesting a phishing or malware distribution attempt. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external links, further supporting this. ClamAV and ML classifiers also flagged this PDF as malicious, specifically as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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/123?utm_term=endocrine+system+review+and+wordsearch+worksheet+answers
- https://cdn-cms.f-static.net/uploads/4373248/normal_5f9494947137e.pdf
- https://cdn-cms.f-static.net/uploads/4374188/normal_5f94473d174c6.pdf
- https://banavodix.weebly.com/uploads/1/3/4/6/134687022/muxuwosiliradono.pdf
- https://jirunemopisitex.weebly.com/uploads/1/3/4/3/134332051/525062.pdf
- https://nirorozarijax.weebly.com/uploads/1/3/4/3/134342495/zemor.pdf
- https://cdn-cms.f-static.net/uploads/4481155/normal_5faf17dfd634a.pdf
- https://cdn-cms.f-static.net/uploads/4366057/normal_5f893515c3ff5.pdf
- https://fuwefepitebu.weebly.com/uploads/1/3/4/7/134709748/9772442.pdf
- https://zomipawir.weebly.com/uploads/1/3/4/8/134899005/pidijibexasave-tawipapa.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/nilititonawafim/96639945088.pdf
- https://uploads.strikinglycdn.com/files/41fb4f7f-13a6-4f00-a036-db3a5afe11c6/34921481653.pdf
- https://s3.amazonaws.com/leguvefu/chemical_bonding_a_level_notes.pdf
- https://uploads.strikinglycdn.com/files/d41295b0-2fb9-4620-92b4-4157e7b57a35/sekugamule.pdf
- https://uploads.strikinglycdn.com/files/f80b484d-1258-4b76-b3bc-01dad157043c/anno_1800_commuter_pier.pdf
- https://uploads.strikinglycdn.com/files/2525e5d5-d699-4255-ba5c-a970ba7f3b1e/mivedudoguxixasu.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_off0000bfc6.bin42ed861787e59aeebac71706853158574472597f2514742221fb8a07e66dbbb8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFC6 | 5420 bytes |
font_01_sfnt_off0000d224.bin8bcfdce7d33792f69079112a5b28cb6b0588537b28dc91d0075f0acb52d683ac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD224 | 9756 bytes |
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