Malicious PDF — malware analysis report

Static analysis result for SHA-256 acfe979c0a299a9b…

MALICIOUS

PDF

59.1 KB Created: 2017-09-18 06:15:35 -04:00 Authoring application: RAD PDF (via RAD PDF 3.2.1.0 - http://www.radpdf.com) First seen: 2019-01-12
MD5: 5d412664947775a04a68103a9992cddc SHA-1: 85e7f9da624ef1e47e04279f5c21808e00344fb0 SHA-256: acfe979c0a299a9b5405f9ccd77592369c22669fe0bf3598a5c884228d402fc2
64 Risk Score

Machine Learning

  • Nyx PDF Classifier clean score 0.0933

Heuristics 4

  • Image-only PDF lure links to a brand-impersonating host high PDF_IMAGE_LURE_BRAND_HOST_LINK
    PDF is image-heavy with little real text and its clickable action targets a host carrying the brand name 'docusign' as a domain label / subdomain segment on a registered domain that is not that brand's own and is not known-good (e.g. 'udai.walmartnewjersey.com', 'paypal-secure.net'). Unlike the homoglyph-typosquat rule, the brand here is spelled correctly but glued onto an unrelated domain — the canonical brand-impersonation phishing / scam carrier shape behind a screenshot-like lure page.
  • 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 59 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://walkerautomotivedocs.com/*%23%24*%25%40%26%24%23%40*%23%24*%25%40%26%24%23%40*%23%24*%25%40%26%24%23%40 In PDF document text
    • https://maculawfirm.com/@%23@$%23!@%25%23@/In PDF document text
    • https://balfouribeattyus.com/$%5e&&*/In PDF document text
    • https://efgrnbenefits.com/%40%26*!%25/In PDF document text
    • https://ce-inic.com/$%25&&*&/In PDF document text
    • http://www.radpdf.comIn PDF document text
    • https://docusign-wdoc.com/%40%23%26PDF link annotation
    • http://www.radpdf.com)/Creator(RADIn PDF document text
    • http://www.dynaforms.comIn PDF document text
    • https://docusign-wdoc.com/%40%23%26(%40%26%25In PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

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