Malicious PDF — malware analysis report

Static analysis result for SHA-256 4782c3d98244969d…

MALICIOUS

PDF

79.5 KB Created: 2022-03-31 10:22:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-20
MD5: 83644b62f116f11104d3572eabca9aed SHA-1: d48986a220e3c6748561e8f2ffa2bdbee3b5ce03 SHA-256: 4782c3d98244969d26253107cf2411afe6a7363a75f2c8ff282fe5099150d693
194 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 7

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://cafij.co.za/YmrXLWy8?keyword=how%20to%20wake%20up%20on%20time%20with%20adhd PDF link annotation
    • https://maxifabosogup.weebly.com/uploads/1/3/4/5/134526580/28939d7ec0.pdfIn PDF document text
    • http://urbanelect.com/userfiles/file/zedexuliwofokagag.pdfIn PDF document text
    • https://vatovuturok.weebly.com/uploads/1/3/1/8/131856009/dirusatazer.pdfIn PDF document text
    • https://linezeludamaxen.weebly.com/uploads/1/3/4/3/134340908/1513b2b4312f.pdfIn PDF document text
    • https://pidakobanaxob.weebly.com/uploads/1/3/4/4/134463411/judojoli.pdfIn PDF document text
    • http://onlinemidias.com/ckfinder/userfiles/files/95176421403.pdfIn PDF document text
    • http://kirilmazbardak.com/userfiles/file/42085712026.pdfIn PDF document text
    • https://putujagojosid.weebly.com/uploads/1/3/0/7/130738675/8918399.pdfIn PDF document text
    • http://webspace.mysdam.net/images/newsletter/files/vokurenenamorut.pdfIn PDF document text
    • http://trailerdepot.ca/site-uploads/45648908951.pdfIn PDF document text
    • https://itracmediav5.com/ckfinder/userfiles/files/40890139468.pdfIn PDF document text
    • http://chono.mn/uploads/userfiles/files/18917624213.pdfIn PDF document text
    • https://logavamu.weebly.com/uploads/1/3/4/7/134746434/3b076baa0d4e.pdfIn PDF document text
    • https://nelodukes.weebly.com/uploads/1/3/6/0/136085721/6073610.pdfIn PDF document text
    • https://emilline.dk/ckfinder/userfiles/files/1737130415.pdfIn PDF document text
    • http://everestsherpatravel.com/demo/public/ckeditor/kcfinder/upload/files/muzegatidupu.pdfIn PDF document text
    • https://kapofered.weebly.com/uploads/1/3/2/6/132680839/pabokapibu.pdfIn PDF document text
    • https://wumaluruporemad.weebly.com/uploads/1/3/0/9/130969386/vapezu_fekuzejobiruw_winelub.pdfIn PDF document text
    • https://wedisojurul.weebly.com/uploads/1/3/4/5/134515344/8bd7ddf688.pdfIn PDF document text
    • https://zipalusub.weebly.com/uploads/1/3/4/3/134343211/112c5fb7dc01.pdfIn PDF document text
    • https://visorupa.weebly.com/uploads/1/3/5/3/135305290/304116.pdfIn PDF document text
    • http://purepoem.com/resource/docContentImg/file/2022-02-03/77696d86c83f74cfb252fa216fa576d6.pdfIn PDF document text
    • https://wededizopi.weebly.com/uploads/1/3/3/9/133986349/4573775.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_off0000d342.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD342 10612 bytes
SHA-256: 9b83da4ae519614c2dc218fa2069ebf3530d9317d716ba0310a25797425ed820
font_01_sfnt_off0000eb4b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB4B 17212 bytes
SHA-256: 256d7fa14d5549d0bfed770c9926f43d203eb06992fcb405eab1d5720b4926d8
font_02_sfnt_off00011838.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11838 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336

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