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 0.9974
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://traffnew.ru/123?utm_term=why+you+no+meme+origin PDF link annotation
- https://mukaxonalox.weebly.com/uploads/1/3/4/5/134580963/dugujemife-mufixuteg-duguv-wezozupi.pdfIn PDF document text
- https://pibofarijefi.weebly.com/uploads/1/3/4/6/134648305/7847412.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/henghuili-files2/information_theory_and_statistical_learning.pdfIn PDF document text
- https://s3.amazonaws.com/xefejevife/42983055551.pdfIn PDF document text
- https://s3.amazonaws.com/zirojopemup/dorujebiwiribepidobiku.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fda36b26-6a82-44c3-837c-6a01dd5ce207/fisiologia_renal_del_recien_nacido_p.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d97172af-13f6-4d59-a010-e428fcb09eba/122610759.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4e1166a5-9792-487b-a62b-c639d36d56bd/tekigep.pdfIn PDF document text
- https://s3.amazonaws.com/zugutixe/murray_and_peter_drag_queen_christmas.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000a0c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA0C5 | 4596 bytes |
SHA-256: f8c70997afadb45d408aab8e86e250e2385ec8223d1f981e0d09b6708f32efc3 |
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font_01_sfnt_off0000b038.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB038 | 8828 bytes |
SHA-256: 8495a09b610e01986e8f51817732c7fafcb1e328e4dba4fc044608bdf3c27961 |
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font_02_sfnt_off0000ce58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE58 | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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