MALICIOUS
186
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 0.9997
Heuristics 6
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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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://midufefew.ru/123?utm_term=lg+inverter+direct+drive+washer+cleaning+cycle PDF link annotation
- https://cdn-cms.f-static.net/uploads/4476782/normal_603615b01b165.pdfIn PDF document text
- https://cdn.sqhk.co/kilalovuge/jgjgUhi/wejejeparovobib.pdfIn PDF document text
- http://rowowesofazov.medianewsonline.com/27737057733.pdfIn PDF document text
- http://fukuzowi.sportsontheweb.net/samurai_champloo_filler_list.pdfIn PDF document text
- https://cdn.sqhk.co/zevolazezag/JRhhZQd/junorenomajopoz.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376372/normal_5fd8075424b20.pdfIn PDF document text
- https://cdn.sqhk.co/xasakeza/ehi2iam/82788118118.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/c1a2fd3c-e6d2-47a7-8b41-83cc946eb734/6306454696.pdfIn PDF document text
- https://7a9095e9-4ba3-4ff7-9406-a75d0382ce8a.filesusr.com/ugd/db93e9_bbc70413a5b64b6181b99376d59fbf42.pdf?index=trueIn PDF document text
- https://ff4d9611-e7ea-45f2-85d3-f0b464ef817f.filesusr.com/ugd/48f461_0dbac30962dd44308c1ddd475be3ade1.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/3385dadf-be3c-4e07-919f-69b8840ca90c/xaporu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f4777937-2a20-4906-a2c7-012e6f3276b4/53352262757.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4135bd93-88bd-422b-8860-42878acf9ed6/lebuxi.pdfIn PDF document text
- http://wojibikifi.myartsonline.com/81595036244.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a0412d54-bdf6-453f-a14c-8d690620e829/gepiza.pdfIn PDF document text
- https://238a82c5-85a8-4641-a991-2f0f5270ddc4.filesusr.com/ugd/63f22d_7526c33813584d9e8793bf9253293539.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/970f3c9e-95b7-4c53-bcb7-ca539cc7005d/74577755118.pdfIn PDF document text
- https://0ac950e2-707a-4e47-8bf4-daface0ea9db.filesusr.com/ugd/356f11_5ace1e4bc5e44f3394e34af409f0bfdc.pdf?index=trueIn PDF document text
- http://fuvarijes.atwebpages.com/91653371340.pdfIn PDF document text
- http://nisetekotixob.myartsonline.com/xasisavupor.pdfIn PDF document text
- https://2ac56fc1-f7ee-4366-9cb2-1681469c68ee.filesusr.com/ugd/b914b5_79f4c7e5008645db967486ecda169f64.pdf?index=trueIn 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_off0000e0ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0AC | 5396 bytes |
SHA-256: 0d02002ba1a4ae81ebdc2c80cead0b24907a9068592df029242e7fdd4508bbc2 |
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font_01_sfnt_off0000f322.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF322 | 10424 bytes |
SHA-256: b86c30c8e00a51209ea5f9bb93c0727315816d720c58ce64e59ef0e8269e7bf6 |
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