MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many of which are to benign-looking PDFs, but one is to a suspicious domain ('traffine.ru'). The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external links, suggesting an attempt to manipulate search engine results or distribute content. ClamAV and ML classifiers also flagged this file as malicious, specifically as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 5
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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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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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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/123?utm_term=xia+board+game+review PDF link annotation
- https://cdn-cms.f-static.net/uploads/4484993/normal_5fd9a1cc5024f.pdfIn PDF document text
- https://sumigixutaruxaj.weebly.com/uploads/1/3/4/7/134748626/doruzajepufomite.pdfIn PDF document text
- https://cdn.sqhk.co/febutatesu/jfhjhiv/derub.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/lupuvogotog/10773185021.pdfIn PDF document text
- https://s3.amazonaws.com/zosevid/pdf_ct_ni.pdfIn PDF document text
- https://s3.amazonaws.com/posufij/aaron_notary_phone_number.pdfIn PDF document text
- https://s3.amazonaws.com/mipizaju/aap_se_milkar_audio_song.pdfIn PDF document text
- https://s3.amazonaws.com/zategafozasiru/bharatanatyam_hand_mudras.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/93dd29c1-3dc3-4857-ac89-fcac8b63f934/98497286976.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/830a1819-c920-4f63-b498-dc638c335644/raxagofat.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000df4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF4B | 5204 bytes |
SHA-256: 19f50298c6b6bb05cb8b136d3e7935910de66e4ffa681fde9dcdd8c236691ce0 |
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font_01_sfnt_off0000f0f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0F7 | 10892 bytes |
SHA-256: 622fc49a24ab84cc4641c4d3d3165cbe00d2071020e61c2546587e229b8dfba3 |
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