Malicious PDF — malware analysis report

Static analysis result for SHA-256 25877d8a9db54106…

MALICIOUS

PDF

314.7 KB Created: 2022-03-10 22:29:21 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-07-12
MD5: c14b79dd40621dba86c03ef5c5c4def0 SHA-1: ae75cfd3b23bd2abd4df1baa5b9f8e9ca04db391 SHA-256: 25877d8a9db5410651fc119d3db6f7d32cfa0b1d9ca8fcd1ad41fd47d48cd33d
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7681

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
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. 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://podar.co.za/XSRYdR1H?utm_term=moonkin+astral+form+legion PDF link annotation
    • http://fluorescent-training.com/file/lisejesajadabuxagewa.pdfIn PDF document text
    • http://adm-zhemtala.ru/files/files/lawabi.pdfIn PDF document text
    • http://cluboutletmoto.net/campannas/file/65972350158.pdfIn PDF document text
    • http://gulfcoastlist.com/userfiles/file/torak.pdfIn PDF document text
    • https://mph.cz/upload/files/69241475420.pdfIn PDF document text
    • https://kvzriu.org/images/file/73949782901.pdfIn PDF document text
    • http://klimafertotlenites.hu/kcfinder/upload/files/48217217250.pdfIn PDF document text
    • https://cryptobasics.biz/uploads/files/nuburakonotonewopu.pdfIn PDF document text
    • https://g4m3s-4p1-12s1.com/contents/files/vifosapazaz.pdfIn PDF document text
    • https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/16215faf089bf7---dofeduzipekiwimosivijerov.pdfIn PDF document text
    • https://www.paseppe.gr/ckfinder/userfiles/files/novedibogegajaxagelolow.pdfIn PDF document text
    • http://stavebniny.status.cz/UserFiles/File/wirizewetafifowof.pdfIn PDF document text
    • http://kzlo.pl/fotki/fotki/file/76995030527.pdfIn PDF document text
    • https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16210182164955---55271392227.pdfIn PDF document text
    • http://travelweeklearningcenter.com/app/webroot/upload/files/23414973053.pdfIn PDF document text
    • http://pribatu.persac.pe/images/files/ladugelulifumexulodi.pdfIn PDF document text
    • https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/5c80859cf9a5edae88a80189016c7768/nasutu.pdfIn PDF document text
    • http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/161fb21da7b4ef---xunefezopilurixojekugebul.pdfIn PDF document text
    • https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/4a987df541cc046c64a8684946900327/90843856084.pdfIn PDF document text
    • https://christavedelaar.nl/bestanden/files/91871905387.pdfIn PDF document text
    • http://naturalwonders.com/uploads/files/taxuda.pdfIn PDF document text
    • http://tvojashkola.ru/img/upload/files/larizijejez.pdfIn PDF document text
    • http://mskabel.cz/UserFiles/File/tazedimudegarudirijujodet.pdfIn PDF document text
    • https://lsv-wittlage.de/ckfinder/userfiles/files/wurufavowixu.pdfIn PDF document text
    • http://sweet-sugar.de/images/uploadedimages/file/begiwodumum.pdfIn PDF document text
    • http://fnathservices.com/upload/file/35551463882.pdfIn PDF document text
    • https://merohamro.com/ckfinder/userfiles/files/63218748274.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_off00047bcd.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00047bcd.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00047bcd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x47BCD 18668 bytes
SHA-256: 5d86c566ad82a8f75f37b2d07da2351429e073eb6cdeb9e110b347cdfe781e8f
font_01_sfnt_off0004ac7c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4AC7C 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_02_sfnt_off0004c39c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4C39C 10644 bytes
SHA-256: 93a9da43e634e1ad251724c50ebc6bbbe9da746adf85eaafa759af8a40f52ca3