MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, identified as a link farm. This is supported by heuristics like PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM. The ML classifier and ClamAV detection strongly indicate maliciousness. The primary purpose appears to be directing users to a large number of external resources, likely for SEO manipulation or to serve as a distribution point for further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://maypoin.ru/wix?keyword=nordictrack+e5vi+manual PDF link annotation
- https://dewokazivefin.weebly.com/uploads/1/3/1/4/131437233/5944582.pdfIn PDF document text
- http://oneitshop.pro/xisokugx0nig.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4500670/normal_601a44f56d3de.pdfIn PDF document text
- https://nepokotivo.weebly.com/uploads/1/3/2/8/132814168/ribagiseza_naxelutedif_famexamex.pdfIn PDF document text
- https://rexekimat.weebly.com/uploads/1/3/4/0/134017736/gopadimusi-filetasef.pdfIn PDF document text
- https://wikefazopikevi.weebly.com/uploads/1/3/4/7/134715570/kasesa.pdfIn PDF document text
- http://trylait.pro/nasb_vs_nkjv6kyai.pdfIn PDF document text
- http://stickerrus.ru/56812315535all4u.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4377662/normal_5ff27b4ae06b5.pdfIn PDF document text
- http://ig-copyrightnoticehelp.com/best_tuner_for_2005_5._9_cumminsjcuwu.pdfIn PDF document text
- http://form-copyrightservices.com/365072288379kfx0.pdfIn PDF document text
- http://therarbooks.com/vigoradipabanejpal0q.pdfIn PDF document text
- http://bilkaita.space/657585604778n9nh.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4422879/normal_605424f864653.pdfIn PDF document text
- http://pubggaming.online/whirlpool_dishwasher_wdt750sahz0_upper_rack_parts7vn71.pdfIn PDF document text
- https://sufixekanol.weebly.com/uploads/1/3/4/7/134712322/2770961.pdfIn PDF document text
- https://dufavepuxafolim.weebly.com/uploads/1/3/4/2/134266173/patab.pdfIn PDF document text
- https://wugaxaxelapuwu.weebly.com/uploads/1/3/4/5/134595152/2248b5ec8da4ad.pdfIn PDF document text
- http://milanbeach.fun/xesimogikosegeroruwoke3oz99.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://mevusajilitum.rf.gd/free_android_mobile_apps_games.pdfIn PDF document text
- http://fijijap.rf.gd/taunton_cricket_ground_pitch_report_today.pdfIn PDF document text
- http://vedezaduxi.epizy.com/39083609908.pdfIn PDF document text
- http://gidepajujida.rf.gd/harvard_university_acceptance_letter.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_off000103fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103FD | 5124 bytes |
SHA-256: a0ac1296ecdadfa5008a490891aa16070a933f701a3353eb55b5f50ec108b455 |
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font_01_sfnt_off00011564.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11564 | 11248 bytes |
SHA-256: 0da779780861a05dea1f390b885212d98dcf7ea05185a9454eca46467458cb51 |
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