MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a link farm designed to redirect users to malicious URLs, as indicated by the 'PDF_SEO_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristics. The primary malicious URL identified is https://xajibur.ru/strik?utm_term=star+wars+books+to+read+online+for+free. While no scripts were explicitly extracted, the PDF structure and the nature of the link farm suggest an attempt to deliver a phishing or malware payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://xajibur.ru/strik?utm_term=star+wars+books+to+read+online+for+free PDF link annotation
- https://bokirises.weebly.com/uploads/1/3/1/6/131607331/sonunebirix_zopap_danumonuwije_tarorim.pdfIn PDF document text
- http://opticsystem.website/gowutugezonotak0vwq.pdfIn PDF document text
- https://cdn.sqhk.co/rosojolude/h6jbFXW/rewolelezumeve.pdfIn PDF document text
- https://pipenuxoj.weebly.com/uploads/1/3/1/4/131406698/8928678.pdfIn PDF document text
- https://cdn.sqhk.co/selusujava/hejbnic/vfx_free_videohive.pdfIn PDF document text
- https://mafobosapufi.weebly.com/uploads/1/3/4/5/134505980/2849300.pdfIn PDF document text
- https://jofovumilaj.weebly.com/uploads/1/3/2/6/132681264/9844380.pdfIn PDF document text
- https://todatotosikuped.weebly.com/uploads/1/3/0/7/130740429/kusokakupemut_nusabomo_fojome_wejimoxirenew.pdfIn PDF document text
- https://mubatizusilaboj.weebly.com/uploads/1/3/4/4/134475350/monimukeresonigelome.pdfIn PDF document text
- http://neip-forum.fun/maytag_bravos_top_load_washer_and_dryer_settwafg.pdfIn PDF document text
- http://lovechat24.club/jali_design_patterns5xz6r.pdfIn PDF document text
- https://lesavamu.weebly.com/uploads/1/3/5/3/135347369/3ae54b67d6b3.pdfIn PDF document text
- https://fepapidatimupiv.weebly.com/uploads/1/3/1/4/131437812/matabud.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://92e0cadd-ca3c-497d-ba7d-1aece6ee6da0.filesusr.com/ugd/008e52_16389643ba7f44a188d314da0b0b2439.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/8cf20a79-1859-4caa-aca0-74aa6843cf5c/61074024359.pdfIn PDF document text
- https://3e206333-d6ff-4be5-a246-6289f7259d3b.filesusr.com/ugd/973a7d_7c847a1643bf41748e5556d8786e9770.pdf?index=trueIn PDF document text
- https://b1b0174c-961c-4936-87f6-765e1132391e.filesusr.com/ugd/6cf804_d276653c4af7420fbd86b2da6e291455.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/644cadff-9a16-4d90-a544-ab985ec437f8/39163932946.pdfIn PDF document text
- https://237a2310-9536-43ad-add1-fe73b840a51a.filesusr.com/ugd/8b319d_adf8d4b97e2b4a5db46599b5bb90f0fc.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e017552d-89a2-46d8-ad20-ebc54d5a443d/se_ha_perdido_el_pueblo_mexicatl_poem_english_translation.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_off0000e3a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3A2 | 5300 bytes |
SHA-256: 26621a60e4b0bb3b6c386586845a90c41b58ed301ec2f45a868286ebd6661a2f |
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font_01_sfnt_off0000f5c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5C9 | 10360 bytes |
SHA-256: ec3899a1fb4f71ed4bae8c99868690dfe524471d1ab30b8bf0c263c876d64624 |
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