MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is classified as malicious, exhibiting characteristics of a link farm designed for SEO manipulation. It contains numerous external links, many pointing to disposable hosting, with the primary goal of redirecting users to other sites. The heuristic 'PDF_SEO_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly indicate this malicious intent. While no scripts were extracted, the structure and numerous URLs suggest a phishing or spam campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://leonvi.ru/award?keyword=buddhist+chants+pdf PDF link annotation
- https://cdn.sqhk.co/nobixapo/jgjavji/basketball_world_cup_winners_by_year.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4480149/normal_602be79f0b1dc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470553/normal_60229121df2c3.pdfIn PDF document text
- https://cdn.sqhk.co/vibefoparo/cUkiaZZ/funovofozobejugek.pdfIn PDF document text
- https://lepopitiw.weebly.com/uploads/1/3/4/7/134762721/bajibefifivana_tajodakuw.pdfIn PDF document text
- https://boxesagako.weebly.com/uploads/1/3/4/5/134589877/vinuzurofeb-migazod-vufosuxixan-disawotijirikum.pdfIn PDF document text
- https://todumubisopid.weebly.com/uploads/1/3/5/3/135312552/fesimot_zosez.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381105/normal_6028060e2865e.pdfIn PDF document text
- http://namafafiteg.mypressonline.com/accounting_theory_construction.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450044/normal_5fd90e924f160.pdfIn PDF document text
- https://cdn.sqhk.co/dawadetugas/mieLheV/65217631555.pdfIn PDF document text
- http://xanejog.medianewsonline.com/87746719256.pdfIn PDF document text
- https://cdn.sqhk.co/solalokazili/niggdbC/wish_me_luck_meaning_in_punjabi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://eb22cd64-ba88-4d74-9269-d2b8937e52af.filesusr.com/ugd/3b217d_29e34d3f61db43a2b58d6ae9a8319f64.pdf?index=trueIn PDF document text
- https://bcbc83ff-a82b-4234-bf1d-c69e8cae54d5.filesusr.com/ugd/057c82_bcb712c59d1744b5af5c1fed73631c69.pdf?index=trueIn PDF document text
- https://1b53f64c-3596-40ff-86ea-95cec8902569.filesusr.com/ugd/838e7e_ad7301b214ad40208fe961a203c2baaa.pdf?index=trueIn PDF document text
- https://37e0f79d-b0c1-4727-b76d-5b759c81288f.filesusr.com/ugd/9c66ff_707cca4bbf4d4868bf21c849b184498d.pdf?index=trueIn PDF document text
- https://fed4949e-3809-4fc0-a28b-84c5d390f589.filesusr.com/ugd/94482e_becc0a6b06ab493987f34715d217db8b.pdf?index=trueIn PDF document text
- http://nowageg.onlinewebshop.net/nivamevubakupudofuxeli.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000efbc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFBC | 3312 bytes |
SHA-256: cb712c2c964c290660cf622f3c67591d8d083f57b0a8c10ce0ce77190f3bdf71 |
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font_01_sfnt_off0000fb89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB89 | 5164 bytes |
SHA-256: 62e2beecf29f8af6dda334362ca821a864426a1af50d43150e8dc65ad5c65b33 |
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font_02_sfnt_off00010d1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D1F | 12048 bytes |
SHA-256: 63ee1dd9fa80ba898710f56c090bbdfceca261894513dc4eb10218e4d63e671e |
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