Malicious PDF — malware analysis report

Static analysis result for SHA-256 6246795763a6bb3b…

MALICIOUS

PDF

92.4 KB Created: 2021-11-26 19:07:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-29
MD5: f3aa0f175f689eaed9bfc5e3b3f582ee SHA-1: e1fb17b31006229f1ac1f50ff773900c76c91e58 SHA-256: 6246795763a6bb3bf613b0259c18929d198d67b9806da6716775b46f6fca9ef8
164 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

Heuristics 7

  • 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.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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://csodamalom.hu/files/files/88777352715.pdf In PDF document text
    • https://tideandtigers.com/ckfinder/userfiles/files/funuxadoxex.pdfIn PDF document text
    • https://hsdinstruments.nl/uploads/files/91448712883.pdfIn PDF document text
    • http://www.gabrielamaciel.net/images/content/file/29523962375.pdfIn PDF document text
    • https://bio86.net/userfiles/fichiers/24846671712.pdfIn PDF document text
    • http://chernogolovka.inhome360.ru/admin/ckfinder/userfiles/files/lipelosomut.pdfIn PDF document text
    • https://bonekarusa.com/contents/files/dozoboponamefiriloga.pdfIn PDF document text
    • https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1619c507015ca4---jigujaluzofolemimofofone.pdfIn PDF document text
    • http://www.gesas.it/media/mailinglist/file/ruwedewuvipusis.pdfIn PDF document text
    • http://gewoongroen.eu/app/webroot/files/userfiles/files/suzizopero.pdfIn PDF document text
    • http://www.lauricedale.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1617767b090844---49854487184.pdfIn PDF document text
    • http://angel-conference.org/upload_fck/file/2021-11-14/20211114004850154997.pdfIn PDF document text
    • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/1618b1684d4264---sofaratufarodiwutarukiw.pdfIn PDF document text
    • https://dubaimotorcycletours.dubaimotorhomerentals.com/uploaded_images/files/nafuxazeli.pdfIn PDF document text
    • http://ohappy.org/userData/board/file/43327449104.pdfIn PDF document text
    • https://www.barefoothoa.com/webroot/js/ckfinder/userfiles/files/71625469965.pdfIn PDF document text
    • http://sireny.net/share/files/89874649205.pdfIn PDF document text
    • https://deverfgrossiercms.deindrukdemo.nl/upload/files/xefekuzipasawuxugowu.pdfIn PDF document text
    • http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1619659eebef61---rotifob.pdfIn PDF document text
    • http://abbuffalowings.com/uploads/files/23362136653.pdfIn PDF document text
    • http://directartdeal.com/uploaded_files/userfiles/files/bedekegajejev.pdfIn PDF document text
    • http://feedproxy.google.com/~r/MbOu/~3/HKUGBsJGI0E/uplcv?utm_term=tony+robbins+unshakeable+pdf+free+doPDF 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_off0001050d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1050D 10904 bytes
SHA-256: 150d33ad4883f1479ba9fb95b63db885101143a0eb140e99513dc08b4b4e4482
font_01_sfnt_off00011e00.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11E00 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_02_sfnt_off0001349f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1349F 17880 bytes
SHA-256: d0ba18bc0550c4fe3959400fd3bd19c83ed6662086c8c3d1e16aaa7d0ce15bd6