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 0.9995
Heuristics 6
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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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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://seumenha.ru/strik?utm_term=tattoo+designs+book+pdf PDF link annotation
- https://cdn.sqhk.co/rureroso/5ggzN8b/734698722.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4467004/normal_603e250fc3dd6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367964/normal_60415a145e7bf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404953/normal_6041dd3b73254.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4460972/normal_6003da509b9c8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454042/normal_60512c4f9e2c9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374360/normal_600ce2aae5e5b.pdfIn PDF document text
- http://fringigejy.site/72422672638jqqk0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450046/normal_6013494259d33.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4496378/normal_5fed4fe24ef73.pdfIn PDF document text
- https://cdn.sqhk.co/parikozug/FgLgegj/prey_day_survive_the_zombie_apocalypse_mod_apk.pdfIn PDF document text
- https://cdn.sqhk.co/kujufemom/gjbvtic/religion_in_japan_during_ww2.pdfIn PDF document text
- http://energierecrute-emplois.com/zogufokuzajevu0906k.pdfIn PDF document text
- https://cdn.sqhk.co/fefowofuk/hfajhbQ/launchpad_mcquack_bisexual.pdfIn PDF document text
- https://cdn.sqhk.co/vakanaju/hjqicXB/play_checkers_board_game_free.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/3e8a7941-11ec-478a-a731-d05071a30cd1/jeep_wrangler_hardtop_parts_diagram.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9d0434c0-9598-42f9-86cc-0107201f88c7/how_to_change_fuel_filter_25_hp_mercury.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3bf5d784-bf8c-4a10-92cc-157ffa2f8f6a/como_ser_un_lder_en_el_trabajo.pdfIn PDF document text
- https://4ceac43d-3374-4736-8926-b47930641487.filesusr.com/ugd/3b1191_487634e917f74f35af71d81c301c1b7e.pdf?index=trueIn PDF document text
- https://6e8b94c7-278c-4a65-9c30-8d61c93a8f31.filesusr.com/ugd/9ff9b8_0fb788a7fdab4608b202a1e34267532d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/34046694-4c37-4a63-b823-4ace6fea8fd2/sitotexujefasonawijaxik.pdfIn PDF document text
- https://61090d85-22e6-4724-b969-52a17785150c.filesusr.com/ugd/952c2e_daf6e5efe3564a009a9f64fbe73d6c89.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_off0000ed62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED62 | 5236 bytes |
SHA-256: d8b2c843e5039b449704351b615d289aac7d01c2b5e882e80c829c07c214ae87 |
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font_01_sfnt_off0000ff47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF47 | 10792 bytes |
SHA-256: 5f1056565d8069118aa028d03189afcf0a6ae68624bdecb64e94cb8c2b77318b |
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