Malicious PDF — malware analysis report

Static analysis result for SHA-256 782c796095cdf8da…

MALICIOUS

PDF

79.5 KB Created: 2021-09-06 22:44:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-16
MD5: b4e3bca3329b768860e3d27481d64e35 SHA-1: 2bc652a6e0bad188a078d995d952458874536515 SHA-256: 782c796095cdf8daa1608591d087686d8916102482f05f47dd546bd98e367796
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9953

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://krisoc.ru/uplcv?utm_term=belajar+plc+siemens+s7+300+pdf PDF link annotation
    • https://serwisnawigacji.pl/userfiles/file/3397161256.pdfIn PDF document text
    • http://ms-beauty.com/ckfinder/userfiles/files/kewaberuvaketaga.pdfIn PDF document text
    • https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/6e977fd480e8d2085e1666c15de5b92d/74444970941.pdfIn PDF document text
    • http://villabrown.it/userfiles/files/nijavegefiwid.pdfIn PDF document text
    • http://progettarecasa.com/userfiles/files/14853245616.pdfIn PDF document text
    • https://avgdesign.com/userfiles/file/sidinatojudizuwuzaxuxag.pdfIn PDF document text
    • https://angkalaris.com/contents//files/zinuxawulafinidite.pdfIn PDF document text
    • https://mobiligennari.com/userfiles/file/26057920930.pdfIn PDF document text
    • https://xenang-mitsubishi.com/fckupload/file/bifonafawudalobaf.pdfIn PDF document text
    • http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/3e308bfa353d0dfa4bc0166f0bfcaf0b/vunanumikaxom.pdfIn PDF document text
    • http://americandeliorder.com/uploads/files/41413357287.pdfIn PDF document text
    • http://naturallabs.fr/userfiles/file/4969051508.pdfIn PDF document text
    • http://brooklinehs1964.com/clients/6/6a/6a3559cec3eb17f551da2d864c8c85ab/File/fuluwav.pdfIn PDF document text
    • http://morgancountyoh.com/userimages/59876406573.pdfIn PDF document text
    • http://thebranchoflife.org/clients/3/37/37a84c4c47f147f839b5d5a44bb1b86c/File/60661300279.pdfIn PDF document text
    • http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be56b18e70f---tiranavubelanotuvej.pdfIn PDF document text
    • http://hugslock.com/app/webroot/img/files/1120427267.pdfIn PDF document text
    • http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d921c6a42a5---belutuviguwerap.pdfIn PDF document text
    • http://grandparkoptimum.com/ckfinder/userfiles/files/86769751457.pdfIn PDF document text
    • http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/16075062e141b8---zuxuvawazefebesiwowe.pdfIn PDF document text
    • https://kaemsp.org/upload/editor/file/zuwowasitufamuzudasanu.pdfIn PDF document text
    • https://alkalacarservice.com/public_html/userfiles/file/gumofaronelimeji.pdfIn PDF document text
    • https://aviatroglo.fr/IMG/file/28524795987.pdfIn PDF document text
    • http://www.binghan.my/userfiles/file/sivuniropipaleden.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_off0000cca3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCCA3 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000e4ba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE4BA 11088 bytes
SHA-256: 039aadc005a53cd028e89dca55ff3f73c71001eac10d7d6190431d452c0b0381
font_02_sfnt_off0000fe85.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFE85 18932 bytes
SHA-256: a1f1f1df665d1dfbf0addce9d36ee30ae84a237d349b44360ee06c2011f26d1c