MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many hosted on disposable domains, suggesting a link farm designed to distribute malware. The presence of a 'download button' heuristic and ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious intent. The ML classifier output of 0.999746 strongly indicates maliciousness, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://jottigo.ru/award?keyword=change+pdf+to+word+document+in+adobe PDF link annotation
- https://cdn-cms.f-static.net/uploads/4464083/normal_603e529e2757d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4463810/normal_6019b943259c6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374853/normal_605ba63a6121f.pdfIn PDF document text
- http://vowufijetapiko.sportsontheweb.net/joxujuresan.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4476302/normal_601711af371c4.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4450247/normal_5ffadbfd3b504.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4480884/normal_5fff6a7e5a101.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369919/normal_600b58ebb5048.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4460048/normal_603b7cd4e0508.pdfIn PDF document text
- http://gakagebir.mypressonline.com/texurikazanakekur.pdfIn PDF document text
- http://bitoxifa.sportsontheweb.net/ilustracion_botanica_helen_birch.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365567/normal_601a0962c7bd9.pdfIn PDF document text
- http://wimixolumow.iblogger.org/confidentiality_agreement_template_south_africa_free.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409411/normal_604a8ce7cc35f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388063/normal_6047fb8d5cf72.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://monovopo.rf.gd/48161961651.pdfIn PDF document text
- https://6f465708-eb37-4ee2-8658-ebeec6cd93ea.filesusr.com/ugd/4bb103_c5e0ba94ac2742b7a3a88c120d890ad8.pdf?index=trueIn PDF document text
- http://vozonagorelomur.epizy.com/acer_laptop_reviews.pdfIn PDF document text
- https://c1e70603-6ca1-47bc-880b-b60d7d434995.filesusr.com/ugd/df625d_698485b9fa1a48a69c467d4f4e3bc49e.pdf?index=trueIn PDF document text
- https://61df3396-90b5-4b69-a3ae-475c9da6ebc5.filesusr.com/ugd/516574_b35bf9e1cdc645159b26797fdfaba22b.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ea4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA4E | 5496 bytes |
SHA-256: d938e86505f6159daf26a17c0a41ddffb1739a998eb6b4d60ac40d37c18f5eff |
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font_01_sfnt_off0000fce4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCE4 | 10412 bytes |
SHA-256: c9470abb4b9b7e592a7e781ae81137bc55e12b8a11fc24b0fd751131ac39bd9a |
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