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 0.9970
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://resalured.ru/strik?utm_term=what+requires+a+chain+of+custody+form PDF link annotation
- https://cdn-cms.f-static.net/uploads/4382949/normal_60655b0bb9a86.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4374368/normal_5fc95f808fcdb.pdfIn PDF document text
- https://luwidejike.weebly.com/uploads/1/3/4/8/134881341/fakapovada-sigewidojixo-sudetebovenoxor-nenabeji.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366407/normal_60060aaa3a802.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410191/normal_606dfdeadd8a9.pdfIn PDF document text
- https://bipinudaw.weebly.com/uploads/1/3/4/7/134718108/bc8310fe14.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365619/normal_603bdae070417.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384325/normal_6031714165b63.pdfIn PDF document text
- https://nizikalod.weebly.com/uploads/1/3/4/6/134605229/goredejigiwebakoxek.pdfIn PDF document text
- https://vunozeguwogiwe.weebly.com/uploads/1/3/4/7/134745761/sizojuzagovojizi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4501027/normal_604e9e0b6750d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368235/normal_603f8d8d0ed50.pdfIn PDF document text
- https://virenejamavik.weebly.com/uploads/1/3/4/1/134131854/7435036.pdfIn PDF document text
- https://sojujigun.weebly.com/uploads/1/3/0/9/130969910/7330416.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410191/normal_60152fdc636c1.pdfIn PDF document text
- https://ginadilu.weebly.com/uploads/1/3/4/7/134768391/3784014.pdfIn PDF document text
- https://pujowuvorokom.weebly.com/uploads/1/3/5/3/135347933/tevutorof.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/4e539f18-fc8d-4093-b1db-b1a0f6328c22/10112118512.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dc425afb-1790-4365-b395-046dd1ce90ab/interior_room_design_games_online.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d8566983-70fa-4090-acb8-ccf0bb68ca9d/how_to_write_an_introduction_for_an_evaluation_essay.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/61170a9a-04bd-4434-9609-2fd071ef42f8/27577577921.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/95235e78-14a6-4bb0-8890-48d040e62cbd/bose_cinemate_remote_control_codes.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c9f37768-8152-4f10-83b7-4ef990f8fe8b/41628014348.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/20a3c106-5a94-4c03-b9d0-0991fe740763/89587366115.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ab7ee2e9-7600-437f-8690-888e0dc5daac/78634152022.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d9828d55-9fd5-4210-8f8d-b76bca2e4e57/why_did_nick_leave_blue_heelers.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_off0001128c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1128C | 5472 bytes |
SHA-256: c30177c42e6c93094aa4b986e128e00dcdcb136d7ec4d615e93de12f42d79a8e |
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font_01_sfnt_off00012512.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12512 | 10484 bytes |
SHA-256: 2c447672e9f453002deacac8ac970ec22f69a766744f896a0f71eecdf458e05f |
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