MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://pelibifir.ru/strik?utm_term=importance+of+writing+essay PDF link annotation
- http://fdvsefwfrw.space/rumuziposowixopjri2o.pdfIn PDF document text
- https://sonunupenoxomo.weebly.com/uploads/1/3/3/9/133986361/b6ce72.pdfIn PDF document text
- https://sitixibabu.weebly.com/uploads/1/3/4/7/134749551/1bcef27f61.pdfIn PDF document text
- http://linza.media/a_series_of_unfortunate_events_castnzalj.pdfIn PDF document text
- http://wazasutosas.iblogger.org/24405573644.pdfIn PDF document text
- https://fojaloda.weebly.com/uploads/1/3/0/7/130776233/gapenixu_fovinitax.pdfIn PDF document text
- http://ulekschool.online/filmora_effect_pack_full_for_v8.xt7k3t.pdfIn PDF document text
- https://gibitomenufe.weebly.com/uploads/1/3/4/0/134041720/8217512.pdfIn PDF document text
- http://andyhongdigital.com/nivasiliiul4.pdfIn PDF document text
- http://policyhelpcenter.com/40809441163vsz4j.pdfIn PDF document text
- https://sadebisoj.weebly.com/uploads/1/3/2/3/132302749/2698872.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/resixexi/kawebasoka.pdfIn PDF document text
- https://e108c0fa-8e70-4110-aab7-e0d30777705f.filesusr.com/ugd/d9966b_d99afd1b46ee4ca0afa516841448ebf2.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/bogeguva/xesatujejitokuvonakefow.pdfIn PDF document text
- http://sivojosifa.epizy.com/what_qualifications_do_you_need_to_be_an_army_engineer.pdfIn PDF document text
- http://fobilal.rf.gd/82799857487.pdfIn PDF document text
- https://1e16f6d7-285b-4488-bf07-d3e24ac90e20.filesusr.com/ugd/417718_260b51fe568d4e7fa91f4c1283d5ae85.pdf?index=trueIn PDF document text
- http://mewiwujudulixe.epizy.com/anatomia_y_fisiologia_del_pancreas_libros.pdfIn PDF document text
- https://165abacb-5525-4e66-971c-c167d859e756.filesusr.com/ugd/f3f2a5_7ad7e207529340689debf4707357c9bb.pdf?index=trueIn PDF document text
- http://gadubuwarin.epizy.com/bsc4success_static_gk.pdfIn PDF document text
- https://f64a1a0a-debf-4843-a838-a34c0cae0f4a.filesusr.com/ugd/89602e_ccd099bd2dd74066ad275f08dc3edc7c.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/paxivogedewilu/curtin_university_library_guide.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_off000138ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138EF | 5436 bytes |
SHA-256: c0f7098c66833870ba7fd0d319775ed253a82c79d5724d2ce65196afb7220deb |
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font_01_sfnt_off00014b72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14B72 | 10764 bytes |
SHA-256: ea76175dab43cce8ca00c19fd747f2cf4cb5dd03f6fbb272e3a1a3f1dd30a382 |
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