Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ddfbfba24ac50c8…

MALICIOUS

PDF

97.6 KB Created: 2022-04-09 08:55:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-26
MD5: 49dddc9dc1e35d7b953012a759f741a4 SHA-1: f3928e2a0ac2440125fdcecf9577970d2cf04a40 SHA-256: 3ddfbfba24ac50c8e8dc1db48e5f7e78d869b8243486693ec161358907c2ffe4
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://loheb.co.za/YmrXLWy8?keyword=wahl%20mustache%20and%20beard%20trimmer%20target PDF link annotation
    • http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/162278104ea9b8---zodasitojefod.pdfIn PDF document text
    • https://xefozevinunakab.weebly.com/uploads/1/3/4/3/134340699/0f5dc1e2f17.pdfIn PDF document text
    • https://varida-tech.com/ckfinder/userfiles/files/57213286705.pdfIn PDF document text
    • http://dansecyr.ca/pdf/file/patewusanejo.pdfIn PDF document text
    • http://yameitecl.com/ckfinder/userfiles/files/20220305_190121.pdfIn PDF document text
    • https://xonedanafesiliw.weebly.com/uploads/1/3/4/6/134633415/valopiwokoke_pegasidava_zijujezizejat.pdfIn PDF document text
    • https://mosallaesf.ir/uploads/ck/files/72706804366.pdfIn PDF document text
    • https://pobanebutu.weebly.com/uploads/1/3/4/5/134592169/neletaninanava.pdfIn PDF document text
    • https://niladomawinur.weebly.com/uploads/1/3/4/8/134875702/fojowupepiba.pdfIn PDF document text
    • https://tapebosipufadiz.weebly.com/uploads/1/3/4/3/134366988/d87a5077e.pdfIn PDF document text
    • http://www.tamar.org.br/fotos_news/files/20593281712.pdfIn PDF document text
    • https://ziruxirunilexa.weebly.com/uploads/1/3/0/7/130775543/galapixob_regok_wibok.pdfIn PDF document text
    • http://legalhouse.pl/files/files/jikoxupidejuwe.pdfIn PDF document text
    • https://wufenimikefi.weebly.com/uploads/1/3/4/3/134366244/5808047.pdfIn PDF document text
    • http://entrackintl.com/uploads/62267765749.pdfIn PDF document text
    • https://lalojitewimagix.weebly.com/uploads/1/3/5/3/135304200/ginenesupasifetufum.pdfIn PDF document text
    • https://pewivasiva.weebly.com/uploads/1/3/4/4/134476670/2113214.pdfIn PDF document text
    • http://biblebaptist.kr/user_data/kcfinder/files/lowonijusopoxaravexa.pdfIn PDF document text
    • https://relibekagojuxi.weebly.com/uploads/1/3/4/6/134605829/dubigeworudimug.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 PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00011870.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11870 17764 bytes
SHA-256: be313b192575ed9a2787221fa531bc10d92a1d117be14d3cbab7d770c5052a8f
font_01_sfnt_off00014757.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14757 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off00015f6e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15F6E 10932 bytes
SHA-256: 2cae7f0f47634979e72c310a83ca8568e0e1b574d6061a15e051c41d32e9aec7

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