MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by multiple heuristics and a machine learning classifier, including detections for malicious redirector links and a link farm. The embedded URLs, such as 'https://yafferge.ru/strik?utm_term=mito+de+la+caverna+de+platon+resumen+pdf', likely lead to phishing or malware distribution sites. The document's structure suggests it's designed to host a large number of links to disposable domains, a common tactic for SEO poisoning or distributing malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://yafferge.ru/strik?utm_term=mito+de+la+caverna+de+platon+resumen+pdf In PDF document text
- https://cdn.sqhk.co/kawiwitifa/hcyogjR/31603757361.pdfIn PDF document text
- https://tupivoxutod.weebly.com/uploads/1/3/4/4/134467409/52342e841a87a.pdfIn PDF document text
- https://xunumiselodaz.weebly.com/uploads/1/3/0/7/130775676/sariwukapofo.pdfIn PDF document text
- https://cdn.sqhk.co/mofokamibe/lhiKhaY/smashing_pumpkins_glass_and_the_ghost_lyrics.pdfIn PDF document text
- https://cdn.sqhk.co/bijininabex/hdgcmhd/pregnancy_week_by_week_babycenter.pdfIn PDF document text
- https://jimivisimobud.weebly.com/uploads/1/3/4/9/134901817/1587647.pdfIn PDF document text
- https://cdn.sqhk.co/poladejug/j6geejb/socialgest_programar_instagram.pdfIn PDF document text
- https://posajegodat.weebly.com/uploads/1/3/4/4/134477503/galenigexezujim.pdfIn PDF document text
- https://rakafofolobe.weebly.com/uploads/1/3/4/6/134649319/mogafuzuxudaniluraw.pdfIn PDF document text
- https://cdn.sqhk.co/kurotevu/qWigGhe/30034479884.pdfIn PDF document text
- https://vixojuderapu.weebly.com/uploads/1/3/2/3/132303060/dajipex-wukigodinegemip-gatakenujowufi-kanuta.pdfIn PDF document text
- http://allrecipes.pro/ball_blast_cheatsxjuub.pdfIn PDF document text
- https://jewelilug.weebly.com/uploads/1/3/4/3/134331877/5485993.pdfIn PDF document text
- https://cdn.sqhk.co/pimidima/jY6ichc/19213056723.pdfIn PDF document text
- https://cdn.sqhk.co/puvubuzu/oyEijhc/24048029513.pdfIn PDF document text
- https://dojunulopifo.weebly.com/uploads/1/3/4/4/134445836/susen_meredodor.pdfIn PDF document text
- https://rekepepijo.weebly.com/uploads/1/3/4/0/134018016/xixudarixa.pdfIn PDF document text
- https://cdn.sqhk.co/vizelupavew/8hgfjf3/94627786691.pdfIn PDF document text
- http://lafuvenilimagi.iblogger.org/fortigate_100f_datasheet.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://genufewewirim.rf.gd/43237938648.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_off0000f0d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0D0 | 5368 bytes |
SHA-256: e90051dd2d9b380c6d6cc95ebfd093980213b78db713d6827bd90395a65a3d53 |
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font_01_sfnt_off0001030f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1030F | 11660 bytes |
SHA-256: 8920b546decd7e51df16f6ba1cd09a70be8bd2692146aec854b5d68c6a7a90f5 |
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