MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://trafficel.ru/strik?utm_term=introductory+statistics+gould+soluti PDF link annotation
- https://fanavepuru.weebly.com/uploads/1/3/1/8/131871984/37c2f85c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366652/normal_5f8e7677b755c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369933/normal_5f8c0e9fc7563.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/091a201c-2175-4fc3-8f71-322b77cbed2c/449758717.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/61ee8fa9-e0dc-4854-90aa-2cc089774d18/kususabipusolixirigu.pdfIn PDF document text
- https://s3.amazonaws.com/zazelujeju/calisthenics_routine.pdfIn PDF document text
- https://s3.amazonaws.com/xebuvuwov/mukutokurafoguvujoxesotir.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3f66b7be-fcf4-4dd6-a7b2-7e92c8151996/essential_ck2_dlc.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/af374236-0c98-4872-8390-3a4b30eadd6c/wosulazolitazulipam.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c1d15171-950a-4f41-b9df-9400ae630279/12204219110.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_off0000e05f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE05F | 5148 bytes |
SHA-256: 0f9aa5d64129f8189fb0f52aa46b83e41f34eefb5c489bf3ea38a1e0307a9f1f |
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font_01_sfnt_off0000f1f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1F7 | 11000 bytes |
SHA-256: 309ec5b7e653373fc8865bc4a42cd871db3bb49e6e53cf07c8ec23e1a618e4f5 |
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