Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b6d020a8bcf994d…

MALICIOUS

PDF

83.8 KB Created: 2021-08-08 02:57:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-17
MD5: 65178ab9d763a6c27f74b8f773dba5af SHA-1: ac981702f5d61fe643043019f8eb77b07321b5fd SHA-256: 2b6d020a8bcf994d37afef4ec2327eb7b1706dde9f7a3d07b7aee0dd7b547e92
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9968

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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 http://maychebiengoduykhuong.com/media/ftp/file/30380834351.pdf In PDF document text
    • http://arslanemlak.com/E/file/19703493760.pdfIn PDF document text
    • https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606eb6083a9e2---fetudepaxobureburuges.pdfIn PDF document text
    • http://sola-brothers.com/userfiles/file/99161490378.pdfIn PDF document text
    • http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/n213q64poi9as58fe69mjkfhf7/63627820193.pdfIn PDF document text
    • http://jhdljz.com/userfiles/file/1625053628.pdfIn PDF document text
    • https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/408dd63fa66967234172a50091932df6/36004779757.pdfIn PDF document text
    • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f59f096678---32191456305.pdfIn PDF document text
    • https://kvkumariajnkvv.org/singhania/downloads/file/37690182194.pdfIn PDF document text
    • http://schodylux.pl/userfiles/file/20298185689.pdfIn PDF document text
    • https://fotokeramika.bg/userfiles/file/jazijapefawijamalizoku.pdfIn PDF document text
    • https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac0795127a2---bomafevisegobop.pdfIn PDF document text
    • https://estoniapools.com/contents//files/20068265325.pdfIn PDF document text
    • http://akvatoria.by/UserFiles/files/80774896098.pdfIn PDF document text
    • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/7116247c459629765f8a3cf4b388f81d/nomuzalatuzeviwanuv.pdfIn PDF document text
    • https://duvarkagidierzincan.com/userfiles/file/47858872409.pdfIn PDF document text
    • http://www.gamylai.vn/uploads/files/67753234737.pdfIn PDF document text
    • https://mariapolis.net/ckfinder/userfiles/files/xuluwite.pdfIn PDF document text
    • http://absigorta.come/file/77970825404.pdfIn PDF document text
    • http://geostudio.eu/userfiles/files/fuwowiveba.pdfIn PDF document text
    • http://asustainable.com/global/file/masuxerirefabukij.pdfIn PDF document text
    • https://kp-bs.ru/upload/files/rineleputamomugebav.pdfIn PDF document text
    • https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af9a78b32fb---modazojer.pdfIn PDF document text
    • https://chezgregoire.fr/userfiles/maxawa.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=stickman+warriors+super+dragon+fight+hack+apkPDF 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_off0000e062.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE062 11372 bytes
SHA-256: 37f4eeac1c0685416a73f79ecfb3643f267277d03638055b84b9dc32f104eeaf
font_01_sfnt_off0000fad3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFAD3 17080 bytes
SHA-256: 74bbb775bbc57d4d008cac7c29d7bf4d2fcf4bd18bdc47caaeb3ac3091dfeb6d
font_02_sfnt_off00012749.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12749 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1