Malicious PDF — malware analysis report

Static analysis result for SHA-256 831fc574af9958f1…

MALICIOUS

PDF

16.8 KB Created: 2020-02-06 00:42:43 +00:00 Authoring application: mPDF 5.7
MD5: 57d5704aa799639dd8c1b982c5f926fe SHA-1: b25ee768d5bf5e1e7e0ff69d12fd4d92fd0f39ac SHA-256: 831fc574af9958f1fbbaf1761c1167a540832978184ba64956a316b07e836562
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded URLs pointing to external PDF files, indicative of a link farm or SEO spam campaign. The ML classifier also flagged this document as malicious. The primary attack pattern observed is the distribution of numerous external links, likely intended to drive traffic or distribute further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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/381658169816881688169/The-Italian-s-Virgin-Princess-Princess-Brides-3-by-Jane-Porter.pdf
    • http://owlaokopdf.myhome.cx/18162816381678163/In-Dante-s-Debt-The-Galvan-Brides-1-by-Jane-Porter.pdf
    • http://owlaokopdf.myhome.cx/481688164816581628163/The-Trouble-with-Princesses-The-Princess-Brides-3-by-Tracy-Anne-Warren.pdf
    • http://owlaokopdf.myhome.cx/681688164816281648162/Princess-Beading-Twenty-Projects-to-Make-the-Complete-Princess-by-Jema-39-Emilly-Ladybird-39-Hewitt.pdf
    • http://owlaokopdf.myhome.cx/381688169816981608164/The-Princess-Diaries-Guide-to-Life-Discover-Your-Inner-Princess-by-Meg-Cabot.pdf
    • http://owlaokopdf.myhome.cx/381698167816681618161/The-Princess-Companion-A-Retelling-of-The-Princess-and-the-Pea-The-Four-Kingdoms-1-by-Melanie-Cellier.pdf
    • http://owlaokopdf.myhome.cx/88162816981658168/Sweet-Sixteen-Princess-The-Princess-Diaries-7-5-by-Meg-Cabot.pdf
    • http://owlaokopdf.myhome.cx/381688162816281678168/The-Princess-and-the-Pearl-Wide-Awake-Princess-6-by-E-D-Baker.pdf
    • http://owlaokopdf.myhome.cx/381698168816081638168/The-Princess-and-the-Goblin-Princess-and-Curdie-by-George-MacDonald.pdf
    • http://owlaokopdf.myhome.cx/281618162816481608161/Awakening-the-Princess-Gun-Princess-Royale-1-by-Albert-Ruckholdt.pdf
    • http://owlaokopdf.myhome.cx/281608163816681638167/The-Starlight-Princess-and-Other-Princess-Stories-by-Annie-Dalton.pdf
    • http://owlaokopdf.myhome.cx/5816181608162/Stolen-Princess-Princess-Series-2-by-Alexa-Riley.pdf
    • http://owlaokopdf.myhome.cx/5816281698169/Claimed-Princess-Princess-Series-3-by-Alexa-Riley.pdf
    • http://owlaokopdf.myhome.cx/381658161816281668162/The-Decoy-Princess-Princess-1-by-Dawn-Cook.pdf
    • http://owlaokopdf.myhome.cx/481668163816381698160/Forever-Princess-The-Princess-Diaries-10-by-Meg-Cabot.pdf
    • http://owlaokopdf.myhome.cx/9816181658163/The-Runaway-Princess-Princess-1-by-Christina-Dodd.pdf
    • http://owlaokopdf.myhome.cx/381668161816481628166/Princess-in-Pink-The-Princess-Diaries-5-by-Meg-Cabot.pdf
    • http://owlaokopdf.myhome.cx/381698168816281698165/Princess-Ai-Lumination-Princess-Ai-2-by-Courtney-Love.pdf
    • http://owlaokopdf.myhome.cx/48161816281608167/The-Princess-Present-The-Princess-Diaries-6-5-by-Meg-Cabot.pdf
    • http://owlaokopdf.myhome.cx/48168816081648163/Project-Princess-The-Princess-Diaries-4-5-by-Meg-Cabot.pdf

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