Malicious PDF — malware analysis report

Static analysis result for SHA-256 380530f3c8041919…

MALICIOUS

PDF

18.5 KB Created: 2020-02-15 12:09:06 +00:00 Authoring application: mPDF 5.7
MD5: cd2a2c112751e7f9ab66f4e8b6338d7a SHA-1: debe5c334cd815eee1aed38043093a0bb7e33645 SHA-256: 380530f3c8041919e544af16144a4b3b07ad1bf9403c6b985ec388842d4ef66c
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic. These URLs point to various PDF documents, suggesting a link farm or redirection scheme. The ML_NYX_PDF_MALICIOUS classifier also flagged the file with high confidence. No scripts were extracted from this sample, but the embedded URLs are the primary indicators of malicious intent, likely to distribute further malware or engage in SEO abuse.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

Heuristics 2

  • 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.
  • 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://owlaokopdf.myhome.cx/1816081628167816481608164/Le-Petit-Prince-The-Little-Prince-in-French-Boxed-Edition-by-Antoine-de-Saint-Exup-ry.pdf
    • http://owlaokopdf.myhome.cx/781618165816481698165/The-Little-Prince-by-Antoine-de-Saint-Exup-ry.pdf
    • http://owlaokopdf.myhome.cx/681648166816681698161/The-Little-Prince-by-Antoine-de-Saint-Exup-ry.pdf
    • http://owlaokopdf.myhome.cx/581648162816981608165/The-Little-Prince-by-Antoine-de-Saint-Exup-ry.pdf
    • http://owlaokopdf.myhome.cx/48163816681688168/The-Little-Prince-by-Antoine-de-Saint-Exup-ry.pdf
    • http://owlaokopdf.myhome.cx/481658163816081688160/The-Little-Prince-by-Antoine-de-Saint-Exup-ry.pdf
    • http://owlaokopdf.myhome.cx/281658169816681608162/the-little-prince----by-Antoine-de-Saint-Exup-ry.pdf
    • http://owlaokopdf.myhome.cx/38164816581698161/The-Little-Prince-amp-Letter-to-a-Hostage-by-Antoine-de-Saint-Exup-ry.pdf
    • http://owlaokopdf.myhome.cx/581638169816681658168/The-Pilot-and-the-Little-Prince-The-Life-of-Antoine-de-Saint-Exup-ry-by-Peter-S-s.pdf
    • http://owlaokopdf.myhome.cx/581688160816181608162/The-Little-Prince-Western-Armenian-edition-Pokrig-Ishkhane-by-Antoine-de-Saint-Exup-ry.pdf
    • http://owlaokopdf.myhome.cx/1816181678162816181678163/The-Little-Prince-Family-Storybook-Unabridged-Original-Text-by-Antoine-de-Saint-Exup-ry.pdf
    • http://owlaokopdf.myhome.cx/981678169816681678167/Der-Kleine-Prinz-German-Edition-of-The-Little-Prince-Audio-Compact-Disc-by-Antoine-de-Saint-Exup-ry.pdf
    • http://owlaokopdf.myhome.cx/481638162816781638164/A-Guide-for-Grown-ups-Essential-Wisdom-from-the-Collected-Works-of-Antoine-de-Saint-Exup-ry-by-Antoine-de-Saint-Exup-ry.pdf
    • http://owlaokopdf.myhome.cx/1816181608162816281628168/THE-LITTLE-PRINCE-ILLUSTRATED-The-English-Edition-and-Original-French-Edition-by-Antoine-de-Saint-Exup-ry.pdf
    • http://owlaokopdf.myhome.cx/581648165816781658167/El-principito-by-Antoine-de-Saint-Exup-ry.pdf
    • http://owlaokopdf.myhome.cx/181638167816981638168/Night-Flight-by-Antoine-de-Saint-Exup-ry.pdf
    • http://owlaokopdf.myhome.cx/48160816281668160/Night-Flight-by-Antoine-de-Saint-Exup-ry.pdf
    • http://owlaokopdf.myhome.cx/1816181628165816181678162/Der-kleine-Prinz-by-Antoine-de-Saint-Exup-ry.pdf
    • http://owlaokopdf.myhome.cx/38165816981648164/Wind-Sand-and-Stars-by-Antoine-de-Saint-Exup-ry.pdf
    • http://owlaokopdf.myhome.cx/881608162816481678167/Le-Faubourg-Saint-Antoine-Architecture-Et-Metiers-D-Art-by-Action-Artistique-De-La-Ville-De-Paris.pdf
    • http://owlaokopdf.myhome.cx/581688160816181608162/The-Little-Prince-Western-Armeni

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