Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e4113d57a73da17…

MALICIOUS

PDF

15.0 KB Created: 2020-05-07 04:21:58 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 20b45f6857f6972b0eb5384a65ba4cad SHA-1: 9a2e395d002843d47f522d01fb8a6b11697c35a3 SHA-256: 2e4113d57a73da1763e7a38337183d54b315962593a90f7026659ed854623216
112 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF is identified as an image-only lure, typical of phishing campaigns. It contains a large number of external links, many pointing to PDF files hosted on various domains, suggesting a link farm or redirection mechanism. The primary URL, http://photogenicworks.com/uploads/1/3/0/3/130379959/130379959.html#benzinpreise+deutschland+app+android, is likely the initial landing page for the attack. No scripts were extracted, but the structure strongly indicates a social engineering attack to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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 15 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 http://photogenicworks.com/uploads/1/3/0/3/130379959/130379959.html#benzinpreise+deutschland+app+android
    • http://ciconcrete.net/uploads/1/3/0/2/130272426/3596313.pdf
    • http://snowdonia-estateforsale.com/uploads/1/3/1/4/131483209/xinilelegutakexofej.pdf
    • http://ucspindia.com/uploads/1/3/0/4/130476168/jitali.pdf
    • http://hundymundy.com/uploads/1/3/0/2/130289166/8296052.pdf
    • http://evolove.ca/uploads/1/3/1/3/131382133/lujekirikuxewasavo.pdf
    • http://goldencoupe.com/uploads/1/3/1/4/131452861/7088554.pdf
    • http://interdisciplinaryfamilyjusticeassociation-sv.com/uploads/1/3/0/5/130590169/dirakuzu_gilovumagokof_fuzuviz_gezanegori.pdf
    • http://waifabrics.com/uploads/1/3/1/3/131380456/8653529.pdf
    • http://logovocalis.com/uploads/1/3/0/2/130272084/fca9b3653609c9e.pdf
    • http://sweetdreamsdelight.org/uploads/1/3/0/4/130477755/3762226.pdf

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