Malicious PDF — malware analysis report

Static analysis result for SHA-256 4412ace8c3c1b4fd…

MALICIOUS

PDF

75.6 KB Created: 2022-04-07 15:37:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-05
MD5: d71bc3fcf029618f1eedd3d6010e3d3c SHA-1: 223f1c7bc84ab90a02c5374b81b1ad0d03bf7845 SHA-256: 4412ace8c3c1b4fde940859d26e7a36077acf8b882852dcb0314e80f2735a5e7
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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://fusaxuwumave.weebly.com/uploads/1/3/4/5/134598556/ponigo.pdf In PDF document text
    • https://zevakevo.weebly.com/uploads/1/3/5/4/135400716/2677206.pdfIn PDF document text
    • http://rvhifi.cz/files/file/gifalejakokanavijiriwi.pdfIn PDF document text
    • https://botoriki.weebly.com/uploads/1/3/2/6/132682976/8283711.pdfIn PDF document text
    • https://xuzelakojit.weebly.com/uploads/1/3/4/5/134593048/nurarejuso.pdfIn PDF document text
    • https://jigibomafife.weebly.com/uploads/1/3/0/7/130738667/dikigupizaper_sexupomovizore_vusaduzi.pdfIn PDF document text
    • https://wapoduleg.weebly.com/uploads/1/3/4/8/134882123/5053676.pdfIn PDF document text
    • https://legalages.weebly.com/uploads/1/3/4/4/134442537/zidibir.pdfIn PDF document text
    • http://infinijewelry.com/userfiles/file/21623239130.pdfIn PDF document text
    • https://pazunorafozide.weebly.com/uploads/1/3/0/7/130776571/a378b204708e79.pdfIn PDF document text
    • https://dexapapasogixeb.weebly.com/uploads/1/3/1/3/131384013/dujana.pdfIn PDF document text
    • https://jutebipofan.weebly.com/uploads/1/3/4/3/134334370/neleregagi.pdfIn PDF document text
    • http://frchem.cn/upload/files/sutiworujomati.pdfIn PDF document text
    • http://zartmobilia.com/userfiles/file/20220311202403.pdfIn PDF document text
    • https://zunoratev.weebly.com/uploads/1/3/5/3/135345657/gunizezuviz_lazodem_tuvodu_dosikawifuderu.pdfIn PDF document text
    • http://databaze.glaukom.cz/upload/files/75693837783.pdfIn PDF document text
    • https://simavaxefawok.weebly.com/uploads/1/3/4/6/134666246/0f8f2a53983.pdfIn PDF document text
    • http://goupcrm.com.br/kcfinder/upload/files/78820201831.pdfIn PDF document text
    • https://firaxefa.weebly.com/uploads/1/3/4/6/134694685/5a5c409e0412.pdfIn PDF document text
    • https://gapojusegora.weebly.com/uploads/1/3/1/4/131408170/bokaworuj.pdfIn PDF document text
    • http://olddieselparts.com/ckfinder/userfiles/files/nagiluwovukiruros.pdfIn PDF document text
    • https://fecuq.co.za/YmrXLWy8?keyword=sony%20kdl-40r510c%20power%20cablePDF link annotation
    • 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_off0000c07c.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000c07c.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c07c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC07C 17268 bytes
SHA-256: 2624f7c68dd6abea2607b96d36cf27a953f7ff61d53cfb5e6196b6f22d1a0bd7
font_01_sfnt_off0000edbe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEDBE 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off000105d5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x105D5 11076 bytes
SHA-256: 05cf1e0051bab1b5060e0b8cc2349c2271ca61a4f06313b4ebe233b076c323f5