Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b7221ff8ad2b4b9…

MALICIOUS

PDF

77.5 KB Created: 2021-03-17 02:22:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 576c1f7fe35e7cfbfefadf06ea1f46d3 SHA-1: b2470dc6dbf1cb53b17c9591d4ec705fc3b621a6 SHA-256: 2b7221ff8ad2b4b9c980a36257c57bae07b1208d761bef3b54193c213bdd6a06
186 Risk Score

Malware Insights

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

This PDF document contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO manipulation tactic. The presence of a ClamAV detection for 'Pdf.Phishing.Trojan' and ML classifier flagging indicates malicious intent. While no scripts were explicitly extracted, the PDF structure and numerous URLs point towards a phishing or malicious redirection scheme.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small 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.
  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The 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.
  • 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://nipisod.ru/strik?utm_term=ford+dana+44+front+axle+exploded+view PDF link annotation
    • http://vawadofofasip.getenjoyment.net/how_large_is_a_carry_on_bag.pdfIn PDF document text
    • https://tixuguzuw.weebly.com/uploads/1/3/4/0/134096155/sefijaxodakumixe.pdfIn PDF document text
    • http://dosijefa.mypressonline.com/best_shows_on_epix_2020.pdfIn PDF document text
    • https://luxoxika.weebly.com/uploads/1/3/4/8/134899107/6425027.pdfIn PDF document text
    • https://cdn.sqhk.co/wijelukifap/3ijGgcD/52867063972.pdfIn PDF document text
    • https://taxesewisozigif.weebly.com/uploads/1/3/5/3/135394589/3087893.pdfIn PDF document text
    • https://cdn.sqhk.co/penavagalo/eRhf6ia/5161146252.pdfIn PDF document text
    • http://xtw2.club/renemelipimijekobofisobvyigm.pdfIn PDF document text
    • http://domen3.club/40796175358ihg50.pdfIn PDF document text
    • http://catsism.com/detilobamejic59e9.pdfIn PDF document text
    • https://guvolobojifo.weebly.com/uploads/1/3/4/7/134733869/5501523.pdfIn PDF document text
    • https://pikotawikeju.weebly.com/uploads/1/3/4/4/134496208/rosakafufajowupup.pdfIn PDF document text
    • https://jenevokitajawol.weebly.com/uploads/1/3/4/2/134235402/wavasajezikir.pdfIn PDF document text
    • http://bifozitixexidad.mygamesonline.org/30825089223.pdfIn PDF document text
    • https://cdn.sqhk.co/gegatuzikat/1icjeB0/2007_carson_fun_runner_toy_hauler_specs.pdfIn PDF document text
    • https://vepemetamat.weebly.com/uploads/1/3/4/3/134354227/bfe708ed9.pdfIn PDF document text
    • https://tumokisomagen.weebly.com/uploads/1/3/4/8/134897409/4838195.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://tiredosutozol.atwebpages.com/afcat_2020_official_notification.pdfIn PDF document text
    • http://fanalejowegop.atwebpages.com/programa_bac_romana_2020.pdfIn PDF document text
    • http://nufulavidibime.myartsonline.com/xufizoxunituxepuf.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f105.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF105 5120 bytes
SHA-256: b697326935c4e809e3d16a8e60d5ce2fee357cb8e673d93100ea71296184d1d8
font_01_sfnt_off000102a4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x102A4 11040 bytes
SHA-256: 2fbae7cbfd87a388686ca9813212bf31fcb1948041dee7d291781a5671fa7f18

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