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-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://dugedepap.ru/strik?utm_term=ar+15+fixed+stock+magpul PDF link annotation
- https://cdn-cms.f-static.net/uploads/4450434/normal_60384b357eef0.pdfIn PDF document text
- http://kitixukizogutik.mygamesonline.org/nukadojoridupizenaso.pdfIn PDF document text
- http://jerimujolegem.medianewsonline.com/brs_biochemistry_mcqs.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4393624/normal_60096c7226dc8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378157/normal_5fdc7d5a9e5a9.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4387589/normal_5fc5e9f9be5b6.pdfIn PDF document text
- https://zavutotarewif.weebly.com/uploads/1/3/1/3/131379951/98186099f03.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376369/normal_601252e6e63ce.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4411220/normal_601d3b21d9572.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489979/normal_60264468ed420.pdfIn PDF document text
- http://nozumupi.medianewsonline.com/microsoft_certifications_roadmap_2020.pdfIn PDF document text
- https://gazesomudari.weebly.com/uploads/1/3/1/0/131070071/bebidusofev.pdfIn PDF document text
- http://delozofize.scienceontheweb.net/76101365021.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370768/normal_605257051dca0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381104/normal_606bab1ae5bbc.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/fb4bf2ee-2833-403a-8cff-5391a5fe6ec7/dugekabim.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e8889dc1-ebb6-45bc-8d89-618df7cb52bb/35411998361.pdfIn PDF document text
- https://s3.amazonaws.com/jadudusujuje/bleacher_report_real_madrid_ajax.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4626d28c-c970-4fc9-b643-687c09b38093/zojipulixawofatuji.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0699d7d0-0dc7-4609-9b46-1b4988e2e0e7/1854598404.pdfIn PDF document text
- https://s3.amazonaws.com/luropi/sazezawuwaterer.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_off0000f6ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6FF | 5772 bytes |
SHA-256: 38bf56fe80be9815eee1a52cbef227a2af0e13a205684c47dcce9f321369885b |
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font_01_sfnt_off00010aa9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AA9 | 11412 bytes |
SHA-256: d0c88c738a20b541d4e45880f1a69c72a70256fb8fe8e3584a09c276d30a4713 |
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