Malicious PDF — malware analysis report

Static analysis result for SHA-256 ebafeaa79b83bb89…

MALICIOUS

PDF

42.8 KB Created: 2021-07-02 05:55:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-09-27
MD5: 715207866e72dd6ff466dfa3dc0beb32 SHA-1: 247518fc74b152d91d9236bf45b43829f0d399c0 SHA-256: ebafeaa79b83bb897c5b9ffa7c7d4d3770657df1992f6117cf8a36bdd4790a10
182 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file contains embedded JavaScript and is designed as a phishing lure, presenting an image to conceal clickable links. The document body is heavily obfuscated, but the heuristics indicate it's intended to redirect users to malicious URLs hosted on compromised websites or disposable domains. The embedded JavaScript likely facilitates the redirection or further malicious actions.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7634

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
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 42 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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
  • 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://smidgel.ru/uplcv?utm_term=how+to+lose+fupa+fat+fast PDF link annotation
    • http://w-f-l.de/user_img/file/78143714281.pdfIn PDF document text
    • https://dmvassociates.com/wp-content/plugins/super-forms/uploads/php/files/b7acb3572261e5b20803e68bbfeaa683/jibexusa.pdfIn PDF document text
    • https://kochitaxirental.com/ckfinder/userfiles/files/dumofafadi.pdfIn PDF document text
    • http://www.anieliasfx.com/uploads/textareas/file/21950292317.pdfIn PDF document text
    • https://www.jscorporation.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/16095af5513464---gizekexujomubunilalemi.pdfIn PDF document text
    • http://videofilm-tv.ru/content/File/mawezuxowepotijokat.pdfIn PDF document text
    • http://aimic.com/userfiles/file/10279016479.pdfIn PDF document text
    • http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f519a5ba94---76637697937.pdfIn PDF document text
    • https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/sidkrkmq697qmtk9n9d9lu9avg/befik.pdfIn PDF document text
    • https://glaze-metalart.com/upload/files/4565734128.pdfIn PDF document text
    • http://www.pilonidalsinus.gen.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf47606f12---pigusidagopo.pdfIn PDF document text
    • http://beateromer.com/bilder/file/17933576108.pdfIn PDF document text
    • https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/16082a157cb61b---ripuzuwawamu.pdfIn PDF document text
    • http://greaterdeliveranceministries1.com/clients/61527/File/zajaxezod.pdfIn PDF document text
    • https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160accf752e687---gazozifisalozabiwofinebug.pdfIn PDF document text
    • http://nkcophs50threunion.com/clients/0/01/014062e559e26c1cf0711bcec4e573ae/File/suxixux.pdfIn PDF document text
    • http://plovdivweek.com/app/templates/js/ckfinder/userfiles/files/zapefemeke.pdfIn PDF document text
    • http://chalappuram.com/userfiles/file/rilakazulopasusel.pdfIn PDF document text
    • https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a3931a5ebe6---60036322636.pdfIn PDF document text
    • https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608a9a218ea5c---kanaxazekux.pdfIn PDF document text
    • https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/763b2c98408e7604acc5b6332edc168c/8604964261.pdfIn PDF document text
    • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607bae3e4c708---82812977100.pdfIn PDF document text

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