Malicious PDF — malware analysis report

Static analysis result for SHA-256 98f64f6f44cc8116…

MALICIOUS

PDF

77.4 KB Created: 2022-04-15 23:49:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-07-08
MD5: 14a6bfd2fa3446dfd74aff4e7af9191c SHA-1: 879f64e62b2a1e38349b792f82aa9840df483597 SHA-256: 98f64f6f44cc8116b0867d39315f78a7f67139211ad500d554d117df7651dcfb
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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=how%20to%20install%20ice%20maker%20line%20on%20lg%20refrigerator PDF link annotation
    • http://studiocalcinoni.com/userfiles/files/19025846908.pdfIn PDF document text
    • http://morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1624ac276ec1a5---sugapa.pdfIn PDF document text
    • https://gafadojoj.weebly.com/uploads/1/3/7/5/137508598/4eb3a2159e9d.pdfIn PDF document text
    • https://levevuwakute.weebly.com/uploads/1/3/4/9/134904524/3093491.pdfIn PDF document text
    • http://isdoor.ru/uploads/files/wufapa.pdfIn PDF document text
    • https://pavaliwakugaban.weebly.com/uploads/1/3/4/3/134373235/motavem.pdfIn PDF document text
    • http://yule-sign.com/upload/editor/file/20220210061517.pdfIn PDF document text
    • https://www.coopi.org/admin/assets/js/ckeditor/kcfinder/upload/files/files/74833140200.pdfIn PDF document text
    • https://bitepurumuxuz.weebly.com/uploads/1/3/1/3/131378930/8266667.pdfIn PDF document text
    • https://trickapotisk.cz/webpagebuilder/ckfinder/userfiles/files/96980510289.pdfIn PDF document text
    • https://zurowovilotupe.weebly.com/uploads/1/3/4/3/134329893/binisakuj.pdfIn PDF document text
    • https://riwaduzubef.weebly.com/uploads/1/3/4/3/134319835/dikatetadinu.pdfIn PDF document text
    • http://www.smartusb.info/images/library/File/pogirefok.pdfIn PDF document text
    • https://szerokiewody.pl/files/files/vofazabatovifuribid.pdfIn PDF document text
    • https://lexixare.weebly.com/uploads/1/3/4/3/134354354/nafekorafokawixemego.pdfIn PDF document text
    • https://polokoxukoneg.weebly.com/uploads/1/3/2/8/132816042/e94c5a411e.pdfIn PDF document text
    • https://rerijaruduja.weebly.com/uploads/1/3/4/6/134649434/perewebum.pdfIn PDF document text
    • https://lokawinopigu.weebly.com/uploads/1/3/2/7/132712062/704bc.pdfIn PDF document text
    • https://wujawosekeg.weebly.com/uploads/1/3/4/7/134712458/f3104.pdfIn PDF document text
    • http://davostravel.com/upload/files/85902398641.pdfIn PDF document text
    • https://ckv-siemreap.org/ckfinder/userfiles/files/22353498250.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_off0000c90e.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000c90e.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c90e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC90E 17220 bytes
SHA-256: b2f1c8889fbfe7fcc34c72afcd576fd9da61a9f339b586b90ca1beb366a5b8e6
font_01_sfnt_off0000f632.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF632 10848 bytes
SHA-256: 2867a849e45ce4d4ef42bf44c1d022a4ea48ce6ff3594be6e3cb51b0185077ce
font_02_sfnt_off00010f47.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10F47 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1