Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3e0035fb0e91ffc…

MALICIOUS

PDF

80.7 KB Created: 2021-12-17 05:06:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-21
MD5: 34e7961d5c7e2818a16c54ca6c180ee6 SHA-1: 541376270c2a8b32a3148f544bb5d24a6583464d SHA-256: d3e0035fb0e91ffcfe253682c78ca3e857b6b3c71f05903d25906c9ab4495042
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9965

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
  • 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.
  • 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://anpheatingandac.com/nbloom/fckuploads/file/limegaropu.pdf In PDF document text
    • https://art-eria.pl/mandarynka/pliki/files/80209482288.pdfIn PDF document text
    • http://gnox.vn/upload/files/bumivogojebogikojasaf.pdfIn PDF document text
    • https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/2qhdh4ugvmn117hbadg57dgfmr/fiwus.pdfIn PDF document text
    • http://vinaktv.com/storage/ckfinder/files/rosixik.pdfIn PDF document text
    • http://directopinion.biz/uploads/FCK_files/file/7367349454.pdfIn PDF document text
    • http://oticonshop.net/ckfinder/userfiles/files/koxet.pdfIn PDF document text
    • https://almentispharma.com/ckfinder/userfiles/files/54316809299.pdfIn PDF document text
    • http://fli.edu.mn/ckfinder/userfiles/files/fuliji.pdfIn PDF document text
    • http://osteriailgalloelinnamorata.com/userfiles/files/gisuxareratoza.pdfIn PDF document text
    • http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/1614576a58891e---vukeselajuj.pdfIn PDF document text
    • http://abbeloosschinkels.be/userfiles/file/robap.pdfIn PDF document text
    • https://fajndoktor.cz/images/file/files/69644909262.pdfIn PDF document text
    • http://mexxeopaint.com/upload/files/zamobolufubejonenepegiw.pdfIn PDF document text
    • http://2rent.gr/userfiles/file/wikotulezejizamu.pdfIn PDF document text
    • http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161773db306d1d---1084682216.pdfIn PDF document text
    • http://www.vnos.vn/app/webroot/uploads/files/xalerov.pdfIn PDF document text
    • http://toeicspeaking.net/_UploadFile/Images/file/96476078320.pdfIn PDF document text
    • http://drcleancenter.com/uploads/files/202111042132073149.pdfIn PDF document text
    • http://younewstoday.com/task/userimages/file/54374606827.pdfIn PDF document text
    • https://hijaulumut.com/contents/files/39582539270.pdfIn PDF document text
    • http://rs-entp.com/upload/file/42991452250.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Gsjc/~3/5bhJmFgkeCE/uplcv?utm_term=axia+ip+audio+driver+manualPDF 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_off0000d2e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD2E4 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_01_sfnt_off0000e988.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE988 10536 bytes
SHA-256: 9261f23e4fc27461841b378a494713c72f1342c8913d08b98b847336919d8220
font_02_sfnt_off00010174.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10174 20088 bytes
SHA-256: 2c83c8d13f8c79bbf3a4fe3b2059bf8e7e414bf6ebbf2121b7b4cc30a767126a

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