Malicious PDF — malware analysis report

Static analysis result for SHA-256 7938ad6add5e7ce6…

MALICIOUS

PDF

80.0 KB Created: 2021-11-02 05:05:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-14
MD5: ac01383739ce30b1eb4c05054d1235dc SHA-1: 083f9294c3b6381f5c9d7a3077edbc36a16a276f SHA-256: 7938ad6add5e7ce6f735559a1a7012e98b1690174715c2d0ebca4e4dde6f09f6
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9975

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://spc1991.com/ckfinder/userfiles/files/bagejivopanabebefunejiwa.pdf In PDF document text
    • http://satyavnetworks.com/fck_upload_images/file/worijawiwexopemilunut.pdfIn PDF document text
    • http://sparan-art.ru/ckfinder/userfiles/files/74827612306.pdfIn PDF document text
    • http://kompletucetnictvi.cz/files/file/66202349515.pdfIn PDF document text
    • https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145cf4c346a9---2284336101.pdfIn PDF document text
    • https://healthmatters.me/userfiles/file/savemil.pdfIn PDF document text
    • http://hanilkwanla.com/uploads/files/wefotuvoxifilejuwu.pdfIn PDF document text
    • http://minerva-collection.net/files/files/ribufusezerisivurigepod.pdfIn PDF document text
    • http://fra2ange.it/userfiles/files/83600439698.pdfIn PDF document text
    • https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/161709417c7650---50386538705.pdfIn PDF document text
    • https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/48l7p1memcj40ntbccc5jc0m10/32118800472.pdfIn PDF document text
    • http://hairfibers24.com/upload/file/16514452076.pdfIn PDF document text
    • http://osteriadelcampanile.com/userfiles/files/gixejuterageteko.pdfIn PDF document text
    • http://canxetaianhduc.com/images/file/86286353480.pdfIn PDF document text
    • http://sin-hua.org/userfiles/73607406348.pdfIn PDF document text
    • http://wxmx.cn/upload/ckimg/files/202109271251044345.pdfIn PDF document text
    • https://srilangkapools.com/contents/files/34588950727.pdfIn PDF document text
    • http://kasand.com/userfiles/waruriwumotenitu.pdfIn PDF document text
    • http://studiosaletta.it/userfiles/files/93750439810.pdfIn PDF document text
    • http://worshipedia.mobi/sites/default/files/file/pukegalofisizalaje.pdfIn PDF document text
    • http://feedproxy.google.com/~r/MbOu/~3/u-9XGpgKpwY/uplcv?utm_term=privity+contract+lawPDF link annotation
    • https://rt9.rspo.org/ckfinder/userfiles/files/givomeja.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_off0000d78b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD78B 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000ef9d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF9D 17096 bytes
SHA-256: 9e937a47e79d06ad674806a590b9cb44114e662e0a8636f75a4105ee105e281e
font_02_sfnt_off00011c3c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11C3C 10192 bytes
SHA-256: 8e1daa83985f13e514efe6d5bff98778a7026bf6f1d170eae9a0824624fca8cd

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