Malicious PDF — malware analysis report

Static analysis result for SHA-256 cb292bc0f0573ad1…

MALICIOUS

PDF

72.2 KB Created: 2021-02-25 21:49:11 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: bbbe6b6e61de691239c31af734882cb6 SHA-1: 4f23f5758dd0f9b53467f2621ba55d640ea13583 SHA-256: cb292bc0f0573ad131c625fa5a3da5788eabb01f3432a1435da3301bad74dec9
182 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous links to disposable domains and known malicious redirectors, indicating a phishing or scam attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded links are indicative of a malicious redirector designed to lead users to harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9618

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF 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.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small 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.
  • Embedded URL info EMBEDDED_URL
    One 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://crophysi.ru/award?keyword=harry+potter+first+book+page+count In PDF document text
    • http://xejopegig.mypressonline.com/a_days_wait_analysis_theme.pdfIn PDF document text
    • http://wejuzofibab.medianewsonline.com/loguduvetepixelororupi.pdfIn PDF document text
    • http://rejemezurufoveg.mywebcommunity.org/the_unbearable_lightness_of_being_subtitulos_espaol.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368991/normal_5fe81b86ced9b.pdfIn PDF document text
    • https://cdn.sqhk.co/jepipovi/nhjiaih/music_player_2020_apk.pdfIn PDF document text
    • http://gejokakop.mygamesonline.org/jesus_today_albert_nolan.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4487432/normal_603177543a472.pdfIn PDF document text
    • https://cdn.sqhk.co/kogewole/1jjMvLI/gunship_battle_total_warfare_mod_apk_2019.pdfIn PDF document text
    • https://cdn.sqhk.co/dufadafakuti/NjhigYc/16876787363.pdfIn PDF document text
    • http://xoxuvajes.mywebcommunity.org/72138264374.pdfIn PDF document text
    • http://pimifawimonidij.mywebcommunity.org/skyrim_level_100_smithing_fast.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4379049/normal_5fcb41d3f1cf3.pdfIn PDF document text
    • http://veruvipavopa.getenjoyment.net/wanepozon.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/jojitagifuva/dog_behaviour_modification_plan_template.pdfIn PDF document text
    • https://s3.amazonaws.com/woxotopapozokev/induction_proof_template.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000100e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x100E4 5420 bytes
SHA-256: ff0aa94b5b454ec5857b1ced81b53cf1a9e17a59cb1df5d2700deefb74e32bd8