Malicious PDF — malware analysis report

Static analysis result for SHA-256 445f9ef0aae32a42…

MALICIOUS

PDF

158.7 KB Created: 2021-12-07 12:47:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-07
MD5: bff0249e161b16b21c6015c440b3fc04 SHA-1: 761ce967a5e20f4dde1c55483dcefbdf5f982927 SHA-256: 445f9ef0aae32a423acc0f053d4e339b599b02844e95db148dc3309d1b8198be
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9541

Heuristics 5

  • 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 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://servauto.fr/img/user/file/10785222780.pdf In PDF document text
    • https://benmoonpharma.com/userfiles/file/savuzovovobuvoro.pdfIn PDF document text
    • http://ryukatsu.com/userData/board/file/89610099066.pdfIn PDF document text
    • https://ritascreation.com/userfiles/file/48339061436.pdfIn PDF document text
    • http://it-hair.com/userfiles/wazesodopatiso.pdfIn PDF document text
    • http://oumkua.com/userfiles/file/615268181.pdfIn PDF document text
    • https://waxparadise.pl/userfiles/file/rofiromonabamuj.pdfIn PDF document text
    • https://www.jaegeraviation.com/ckfinder/userfiles/files/22518309662.pdfIn PDF document text
    • http://avvocatogiuliani.it/userfiles/files/fezabiwotad.pdfIn PDF document text
    • https://www.sistemkabin.com/ckfinder/userfiles/files/12113361082.pdfIn PDF document text
    • http://www.socfertenviron.org/cmsfile/contentfiles/duduligo.pdfIn PDF document text
    • http://ranchobg.com/img/file/wurenukozum.pdfIn PDF document text
    • http://emeraldcovepartners.com/_data/images/file/noluwasiginavuxopeze.pdfIn PDF document text
    • http://mudrkanuch.sk/editor_uploads/system/files/kemigaketorafavuvi.pdfIn PDF document text
    • https://et-auditing.com/userfiles/files/zirur.pdfIn PDF document text
    • http://wolfpackbasketballacademy.com/content_docs/10793746402.pdfIn PDF document text
    • http://itnetworkconsultingsf.com/helpdesk/app/webroot/img/userfiles/files/rexupukatewaxe.pdfIn PDF document text
    • http://ufcnagykanizsa.hu/userfiles/file/piluwogofuxapev.pdfIn PDF document text
    • https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/ab2701c3f5272f8c16377e3d27ad3229/bogigobubetovuwa.pdfIn PDF document text
    • https://satybharat.com/ci/userfiles/files/torejuxerutirukigeta.pdfIn PDF document text
    • https://mcgbaharat.com/userfiles/file/32449482771.pdfIn PDF document text
    • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/16195e501034b7---kirunuzuxira.pdfIn PDF document text
    • http://first-group.kr/ckupload/files/wukofizenilamuronabilefa.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Gsjc/~3/u-9XGpgKpwY/uplcv?utm_term=aerofly+2+free+downloadPDF link annotation
    • 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_off0002105e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2105E 17744 bytes
SHA-256: 848ad1379e871216bd2bb1ef512242489fb31afe71d3ad9e04454f438a86c939
font_01_sfnt_off00023daf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x23DAF 10292 bytes
SHA-256: 702ab5afa175a4914cf3d816b8b9101e06eb47f0e6d761fb002f5777cb4f3d60
font_02_sfnt_off00025524.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x25524 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336

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