MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various PDF documents on different domains. This structure is characteristic of a link farm designed to distribute malicious content or facilitate phishing attacks. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://botokaw.ru/aws?utm_term=tecumseh+10+hp+engine+carburetor PDF link annotation
- http://helpcontactform.com/34804824348vis0u.pdfIn PDF document text
- http://paktum.pro/appvalley_android_not_workingsbx8l.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481275/normal_601988b0a5075.pdfIn PDF document text
- https://pexulowiseguwuz.weebly.com/uploads/1/3/4/3/134391342/zogesepepo_sevosuzibazivix_liwoxebepiko.pdfIn PDF document text
- https://xowafoxupa.weebly.com/uploads/1/3/3/9/133986725/gupowivitenafefebu.pdfIn PDF document text
- https://pusetuliv.weebly.com/uploads/1/3/1/6/131607438/7f92f.pdfIn PDF document text
- http://trokot-new.online/12107183503rsr6v.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387033/normal_6035ac7eba055.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4422377/normal_5fd8d4d711428.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4477401/normal_603caee632929.pdfIn PDF document text
- http://babysampler.com/loxixerazuwanafolsc5oi.pdfIn PDF document text
- http://test123test.xyz/how_do_i_clean_my_ge_dishwasher_filter70s6d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4424330/normal_5fed9d38d20f4.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4485591/normal_5fc7ea3223abe.pdfIn PDF document text
- https://molowusutet.weebly.com/uploads/1/3/1/3/131380828/nexizar-vetesabewos-vukudobubuf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386607/normal_600e7309d55cb.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4480893/normal_5ff84c6a0f993.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383321/normal_600ddafaae91c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418985/normal_603266b0bcc4a.pdfIn PDF document text
- https://wewuketis.weebly.com/uploads/1/3/5/3/135327502/7626712.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450907/normal_602b6421eb5dc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4504839/normal_6020a1d54c4af.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fefekug.rf.gd/lagu_chop_suey_system.pdfIn PDF document text
- http://xakafof.rf.gd/66022697739.pdfIn PDF document text
- http://lamujep.rf.gd/13561293511.pdfIn PDF document text
- http://feladomiforokek.rf.gd/conductance_definition.pdfIn PDF document text
- http://janabamimis.rf.gd/customer_feedback_analysis_template.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_off0000efcd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFCD | 5596 bytes |
SHA-256: 4cd046f2f00aa11a7d3ed7dd6ea642522916227da074f7fb14114870fd3ec8df |
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font_01_sfnt_off000102ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102AE | 10588 bytes |
SHA-256: 566414cfa39eb462ef9f856b8937625a3735faede6c47cc41618b2123f26ce18 |
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