MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file exhibits characteristics of a link farm, with numerous external URIs pointing to various domains. The presence of PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM heuristics, along with a high ML_NYX_PDF_MALICIOUS score and ClamAV detection, strongly indicates malicious intent. The embedded URLs likely lead to phishing sites or further malware downloads, aligning with a spearphishing attachment attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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://soxebez.ru/award?keyword=pioneer+vsx-522+factory+reset PDF link annotation
- https://cdn.sqhk.co/bixatavafut/gibgihb/wipixefevunukekakubolodo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417815/normal_6019821550bb0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4422643/normal_60274946ac7c0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373240/normal_5fe94f471f05b.pdfIn PDF document text
- https://cdn.sqhk.co/levowexesu/gOieSA1/24152868321.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4527747/normal_5fe50019dbb1e.pdfIn PDF document text
- https://cdn.sqhk.co/valujoper/gbhhWjb/vilituzale.pdfIn PDF document text
- https://cdn.sqhk.co/vipikunowi/Ajgheja/war_dragons_marav_spells.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4414680/normal_5fc85690f1fcf.pdfIn PDF document text
- https://cdn.sqhk.co/vazoguzo/NMjctHe/jixarevomibebumanizize.pdfIn PDF document text
- https://cdn.sqhk.co/redexisa/ijOiiUZ/787488518.pdfIn PDF document text
- https://cdn.sqhk.co/gunakawujo/T0sggZt/74141882496.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://8c56b32b-3398-45d6-9c0b-b55146621f16.filesusr.com/ugd/6924eb_91962ad59c774b458495455696a002db.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tufujifinobiro/sigedirukosonebujegokateg.pdfIn PDF document text
- https://a40b6db0-1679-4e03-879f-ac5827b9aa7d.filesusr.com/ugd/dba42a_027766bd7cb644c39f98af0a980af93e.pdf?index=trueIn PDF document text
- https://5d3a3edc-1384-4eb0-a354-174dd54c13aa.filesusr.com/ugd/7f5dc5_6080536ef86b46ad9b216b1f7f312d3d.pdf?index=trueIn PDF document text
- https://247e77cc-5367-4382-8586-7c5891409f42.filesusr.com/ugd/2dbf5a_1cdfca3f3bf041ac8677fbaf564e57c7.pdf?index=trueIn PDF document text
- https://a7193630-a032-4ee2-b136-33837135b76a.filesusr.com/ugd/fac845_3670f84acf4e426b9135393b4fd146da.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tigewibejageju/nelatamog.pdfIn PDF document text
- https://s3.amazonaws.com/zedudo/99452335804.pdfIn PDF document text
- https://bf6af823-cb0d-4ee8-9d5b-4f0b1de5ed24.filesusr.com/ugd/9eb187_cf43b302bf214437b7e0f82f575c7e3a.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000153a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x153A0 | 5148 bytes |
SHA-256: fb349a03115be7da74762a571b76f1589a197500dd07cb56dc0180f511df64ed |
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font_01_sfnt_off00016543.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16543 | 10520 bytes |
SHA-256: 871ed223581a9803593894a49be723e024ac85f88b372b6acde7910ec3505402 |
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font_02_sfnt_off00018956.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18956 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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