Malicious PDF — malware analysis report

Static analysis result for SHA-256 441ba1efc175e18c…

MALICIOUS

PDF

75.5 KB Created: 2022-05-07 00:49:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-05
MD5: cc36abbcfeaadfc38ef12c2cde2abf93 SHA-1: 662c454eab6a6a02fb79b9548ea9734ca6351097 SHA-256: 441ba1efc175e18cc404b2cbbf7ead7cea2a1e992bda213b7c514076114333a8
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9957

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
  • Travel-support phone-number stuffing scam critical SE_TRAVEL_SUPPORT_PHONE_SCAM
    Document repeats phone numbers in airline/travel/refund/support language, often across multiple regional phrasings. This matches SEO/support-scam PDFs that impersonate airlines or travel brands and route users to attacker-controlled call centers rather than a normal travel document.
  • 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://yoyep.co.za/YmrXLWy8?keyword=applied%20electromagnetics%20wentworth%20solutions%20manual%20pdf%20online PDF link annotation
    • https://pezufefak.weebly.com/uploads/1/3/4/8/134865979/9223000.pdfIn PDF document text
    • https://jelirakiwovul.weebly.com/uploads/1/3/4/8/134867041/zowuja.pdfIn PDF document text
    • http://quocteanviet.com/img-chamthi/files/49855928198.pdfIn PDF document text
    • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1624769479e89e---6005697975.pdfIn PDF document text
    • https://nugebivubof.weebly.com/uploads/1/3/4/5/134591316/nimizujajunipa.pdfIn PDF document text
    • https://gonuzefokuko.weebly.com/uploads/1/3/4/1/134109069/palimegadu-kawilalolawoto-zipaliwijare-nujajegewer.pdfIn PDF document text
    • https://dujesudov.weebly.com/uploads/1/4/1/5/141514839/4670147.pdfIn PDF document text
    • https://pivakezajategag.weebly.com/uploads/1/3/4/6/134605748/5b78f4bc6a361e.pdfIn PDF document text
    • https://pojoluxoxub.weebly.com/uploads/1/4/1/4/141421730/jadasalumilekoxixud.pdfIn PDF document text
    • https://soxokelu.weebly.com/uploads/1/3/4/4/134494323/19d4415dbc3.pdfIn PDF document text
    • https://edenestates.com/ckfinder/userfiles/files/bisuleg.pdfIn PDF document text
    • http://cestovni-postylka.eu/userfiles/file/91140933146.pdfIn PDF document text
    • http://www.mgamk.ru/ckeditor/kcfinder/upload/files/2449549756.pdfIn PDF document text
    • http://chinamakina.com/userfiles/file/33783314068.pdfIn PDF document text
    • https://sportsht.com/userfiles/file/xorujerasusamizezum.pdfIn PDF document text
    • https://www.thic.net/plugin/ce1/ckfinder/userfiles/files/94796062782.pdfIn PDF document text
    • http://michalpavlicek.com/uploaded/file/71443945727.pdfIn PDF document text
    • https://segurodegranizo.ar/noticias/fckeditor/file/mubifabezixi.pdfIn PDF document text
    • https://vowijavig.weebly.com/uploads/1/3/4/3/134319359/1007161.pdfIn PDF document text
    • https://wonirugipida.weebly.com/uploads/1/4/1/5/141598657/4368203.pdfIn PDF document text
    • https://wiremodifuniv.weebly.com/uploads/1/4/1/3/141318625/9655205.pdfIn PDF document text
    • https://epagneuls-bretons.fr/caningest/images/file/64143750798.pdfIn PDF document text
    • https://jewfri.kr/files/image/files/wufudisalewu.pdfIn PDF document text
    • http://yushendesign.com/images_fck/file/1647734888.pdfIn PDF document text
    • https://wosufixojiniki.weebly.com/uploads/1/3/4/7/134720754/f531095.pdfIn PDF document text
    • https://entabe.jp/upload/20220409/files/xisuvuvepufuxu.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://dejavu.sourceforge.netIn extracted file (font_00_sfnt_off0000c122.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000c122.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c122.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC122 16972 bytes
SHA-256: 777bed935f48d016bd4bca86a695301693d7fa24f8825437652c405572370489
font_01_sfnt_off0000ed15.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED15 11232 bytes
SHA-256: b57e37cadcb6d04a0e0c69974319a8e1949869a8054eec4b7fe527f96be9565e
font_02_sfnt_off00010710.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10710 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1