Malicious PDF — malware analysis report

Static analysis result for SHA-256 72b6bc14d9c3e024…

MALICIOUS

PDF

137.3 KB Created: 2021-12-07 04:12:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-28
MD5: 7b195f8c5248ab89c3c31108145bbb43 SHA-1: 81144af590c42ad7a8dd5ebd1330f4a2f5545bc8 SHA-256: 72b6bc14d9c3e024ba22419893f475cca106b3937da1333a9dfc556d780daae7
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9711

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 http://hainfelderteich.at/5731230538.pdf In PDF document text
    • http://ecohort.com/userfiles/files/lejawiwawa.pdfIn PDF document text
    • http://scamps.biz/userfiles/file/15801454490.pdfIn PDF document text
    • http://leylasuren.com/images/userfiles/imagefile/24183837977.pdfIn PDF document text
    • http://telektrans.hu/editor_up/19263926665.pdfIn PDF document text
    • https://norservis.cz/files/files/80892825424.pdfIn PDF document text
    • http://thamcohoaian.com/webroot/img/files/lasamavupaloxumo.pdfIn PDF document text
    • http://sushiyaslo.com/uploads/files/77826574362.pdfIn PDF document text
    • http://toyteepee.com/uploadfiles/file/211115070933516290vglbze.pdfIn PDF document text
    • http://js-space.de/userfiles/file/gamubufu.pdfIn PDF document text
    • http://lionsmarsala.it/userfiles/files/gidovine.pdfIn PDF document text
    • http://spzn.narewka.pl/narewkagmina/userfiles/file/gapekus.pdfIn PDF document text
    • https://retrofitoman.com/ckfinder/userfiles/files/61711728437.pdfIn PDF document text
    • http://infinivideo.hu/sites/infinivideo/files/10407927933.pdfIn PDF document text
    • https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/593069a83f0d8052e93d453f494b200b/50079917793.pdfIn PDF document text
    • http://ncteonline.com/userfiles/file/zukexu.pdfIn PDF document text
    • http://studioingegneriavaragnolo.com/userfiles/files/nofodujaresurekenerumize.pdfIn PDF document text
    • http://xn----7sbqwxdbhblh2h.xn--p1ai/data/file/lilonasip.pdfIn PDF document text
    • http://amuseonline.com/absite/userfiles/file/28281121045.pdfIn PDF document text
    • https://asiarsolutions.com/userfiles/file/57439582429.pdfIn PDF document text
    • https://ofcourselc.com/admin/uploadsfile/19908118555.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Gsjc/~3/KGDyd8lM0uI/uplcv?utm_term=courageous+conversations+compass+pdfPDF link annotation
    • http://louisiana-arts.org.s150269.gridserver.com/siteuploads/editorimg/file/27546672210.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_off0001b6ed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1B6ED 18076 bytes
SHA-256: e38f29655b6b1bdd6b4dd14ad75eda00d1582e50118a4f4f5a73e8a17ef86844
font_01_sfnt_off0001e5f4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1E5F4 11112 bytes
SHA-256: bec939ec7c461f8e40fa37b65775904191902d5762685e530b528e86314b2025
font_02_sfnt_off0001ffc0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1FFC0 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336

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