Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5d44fc376ed8771…

MALICIOUS

PDF

88.2 KB Created: 2022-04-15 17:40:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-27
MD5: dc03d4d669ebced7a958746ee4abb2f0 SHA-1: f9971b07e9b277cfb9905e082ac80deb45402561 SHA-256: c5d44fc376ed87714e7b9acee021284d198666d88220a3f70ae697a7c51f9f1e
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9984

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://mifuj.co.za/YmrXLWy8?keyword=lg%20split%20system%20air%20conditioner%20error%20code%20=%2026 PDF link annotation
    • https://kajubogoxin.weebly.com/uploads/1/3/0/9/130969430/0e031785527.pdfIn PDF document text
    • https://rexolofozex.weebly.com/uploads/1/3/4/3/134368018/komujurugeg.pdfIn PDF document text
    • https://unitedfightalliance.jordanadams.com/ckfinder/userfiles/files/tifogafezugemoxopoj.pdfIn PDF document text
    • http://ferramentabelleggia.it/public/file/saxozozi.pdfIn PDF document text
    • https://goxepafanaba.weebly.com/uploads/1/3/0/7/130739763/fisedubewad.pdfIn PDF document text
    • https://kezuvuxir.weebly.com/uploads/1/3/2/8/132814306/povibutup_govabojokewa_suvatedim_lurol.pdfIn PDF document text
    • http://elard-group.com/ckfinder/userfiles/files/45771562790.pdfIn PDF document text
    • https://ubk-sad.de/azubi/userfiles/files/darogipasapepiluko.pdfIn PDF document text
    • https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/162190b093a450---34680409276.pdfIn PDF document text
    • http://thietkevanphongvn.com/kcfinder/upload/files/muxukusunov.pdfIn PDF document text
    • https://bidijewufamidu.weebly.com/uploads/1/3/5/3/135325384/pexizafotodisas.pdfIn PDF document text
    • https://woremudof.weebly.com/uploads/1/3/4/7/134701645/gisutoj.pdfIn PDF document text
    • https://bafosuronam.weebly.com/uploads/1/3/0/7/130738527/a73a1c81dc.pdfIn PDF document text
    • https://reropazorulofo.weebly.com/uploads/1/3/4/4/134437501/mifapis.pdfIn PDF document text
    • https://bovojejepar.weebly.com/uploads/1/3/4/6/134670017/ca3db2d72.pdfIn PDF document text
    • https://zofoneparadi.weebly.com/uploads/1/3/5/3/135341866/fotiwema.pdfIn PDF document text
    • https://govenovu.weebly.com/uploads/1/3/4/7/134701044/9838526.pdfIn PDF document text
    • https://nezasitize.weebly.com/uploads/1/3/5/3/135303973/xibagegoko.pdfIn PDF document text
    • http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/162327ddfc2e33---383872984.pdfIn PDF document text
    • https://nuvuxupu.weebly.com/uploads/1/3/4/5/134507381/2514995.pdfIn PDF document text
    • https://roxarafusawopi.weebly.com/uploads/1/4/1/3/141394776/zakoguga.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_off0000ef32.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF32 18160 bytes
SHA-256: f0eda858ad60b40506166f93c70f2677686f56c225f2c063109af35dd1d273dd
font_01_sfnt_off00011ee4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11EE4 11260 bytes
SHA-256: 292c7285725e7f6f82130e2efc95e43c3666e34550e0da731b8e44771ae490bb
font_02_sfnt_off00013934.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13934 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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