Malicious PDF — malware analysis report

Static analysis result for SHA-256 c7d9eb577b782916…

MALICIOUS

PDF

69.4 KB Created: 2022-04-08 02:55:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-28
MD5: 5820e56e19e5c44233559ec176583db9 SHA-1: 847bff828cf2ffb9020747ad0230a2616af6fe8c SHA-256: c7d9eb577b782916c9b63d5380ec3ed0e84324a173127ff85f8b96dd8ac4bca2
194 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9978

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=dell%20latitude%20e5400%20bluetooth PDF link annotation
    • http://csc-021.com/userfiles/file/20220404021644_p1klba.pdfIn PDF document text
    • https://www.colfacor.org.ar/administrador_web/kcfinder/upload/files/78561647193.pdfIn PDF document text
    • https://numen-wow.com/userfiles/cloud/files/7281709223.pdfIn PDF document text
    • http://sva-jeanroze.com/xmedia/file/senafaraxigulodipakipukup.pdfIn PDF document text
    • https://wosufixojiniki.weebly.com/uploads/1/3/4/7/134720754/zejunonu.pdfIn PDF document text
    • https://webojugobe.weebly.com/uploads/1/3/4/6/134601542/9b08618b7733204.pdfIn PDF document text
    • http://0470caipu.com/data/upload/File/zajikijiletotopobafula.pdfIn PDF document text
    • https://kotemuzever.weebly.com/uploads/1/3/4/8/134884044/1885881.pdfIn PDF document text
    • https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/c613276091cdcb02adfc7c44ba4e1fdd/52169827771.pdfIn PDF document text
    • https://wezodunipurod.weebly.com/uploads/1/4/1/3/141363632/2661825.pdfIn PDF document text
    • http://www.globalconference.info/kcfinder/upload/files/1754806856.pdfIn PDF document text
    • https://sabagdasarov.ru/upload/file/86253611989.pdfIn PDF document text
    • https://gunutusubev.weebly.com/uploads/1/3/1/4/131437775/kodojag-tigekin-kelivipoxawo.pdfIn PDF document text
    • http://melvin.cz/data/26474815410.pdfIn PDF document text
    • http://chinalabware.es/d/files/7510178498.pdfIn PDF document text
    • https://bobiremuvib.weebly.com/uploads/1/3/4/6/134641479/b4ca1b5c87.pdfIn PDF document text
    • https://doxefifuz.weebly.com/uploads/1/3/0/9/130969363/6535062.pdfIn PDF document text
    • https://bugomalaked.weebly.com/uploads/1/3/5/3/135324661/4ff88fe4c.pdfIn PDF document text
    • http://stopguepes72.fr/userfiles/file/33977050381.pdfIn PDF document text
    • https://lean-ds.com/upload/editor/file/runafobadagisisokigimame.pdfIn PDF document text
    • https://ruworelolovifuf.weebly.com/uploads/1/3/4/4/134462917/wobadojubepo.pdfIn PDF document text
    • https://bumibosawo.weebly.com/uploads/1/3/4/3/134374517/vojiki-gumerepurez-risekuzoninajul-zivadumew.pdfIn PDF document text
    • http://rootbeadmill.com/upload_fck/file/2022-2-27/20220227144540876575.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_off0000ab53.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000ab53.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ab53.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAB53 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000c365.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC365 17032 bytes
SHA-256: 7b2e84f402838a7d5d4b37d4fd6a05c3b46f950efd3641c70c2e2e8e585310ab
font_02_sfnt_off0000ee7f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE7F 10548 bytes
SHA-256: 8abd53d2b2211de2979fcdbba4f5fce78fc4b3e1c3b08d186315588e0404d755