MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by ClamAV and an ML classifier. It contains a large number of external links, suggesting it functions as a link farm for SEO manipulation or to distribute malicious content. The primary malicious URL identified is trafffe.ru, which likely serves as a gateway to further malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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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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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://trafffe.ru/123?utm_term=shift+knobs+for+manual+transmission PDF link annotation
- https://cdn-cms.f-static.net/uploads/4392195/normal_5f919ed5239de.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413587/normal_5f9e55a96873f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374688/normal_5f917359198d8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4455684/normal_5fa890a190968.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4377128/normal_5f91fce39ea99.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4389794/normal_5f95086fc396a.pdfIn PDF document text
- https://fulojozizarotuv.weebly.com/uploads/1/3/4/3/134318677/8346670.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367959/normal_5f939d54a10da.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/tawosutosuxi/ev3_drag_racing_cheat_codes.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4c53a120-78c3-43dc-82b4-311cd3251ae8/welofexitafovabisawigatax.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/85a73d40-b89d-4bce-a2eb-27d54a87efa0/las_letras_oscuras_torpes.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_off0000d938.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD938 | 5312 bytes |
SHA-256: 1140a807e6be734131d5482321ad46198feee1336eb89b5fd203d76b604de146 |
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font_01_sfnt_off0000eb1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB1B | 10672 bytes |
SHA-256: 137f743e41a41cd1446aa0dddb00ce99bf695bbebccd228994bc11bd5a581dca |
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