Malicious PDF — malware analysis report

Static analysis result for SHA-256 cae6feab7a9010bc…

MALICIOUS

PDF

17.6 KB Created: 2020-03-17 04:04:21 +00:00 Authoring application: mPDF 5.7
MD5: 054ef57888aa680b2b0cd66eef79c271 SHA-1: 25569e1c30d61f779165bf11f382583272d82807 SHA-256: cae6feab7a9010bc39b26cb1727840f90c07e1c2a7691a0c1fd956170f718dc5
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 as a link farm. The ML classifier strongly suggests maliciousness. The primary attack pattern involves redirecting users to numerous external sites hosted on owlaokopdf.myhome.cx, likely for SEO poisoning or to serve further malicious content. No scripts were extracted from this sample.

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/88165816981678160/Soaring-Eagle-Prairie-Winds-2-by-Stephanie-Grace-Whitson.pdf
    • http://owlaokopdf.myhome.cx/88166816381668165/Walks-The-Fire-Prairie-Winds-1-by-Stephanie-Grace-Whitson.pdf
    • http://owlaokopdf.myhome.cx/481698169816281668165/Messenger-By-Moonlight-by-Stephanie-Grace-Whitson.pdf
    • http://owlaokopdf.myhome.cx/981638163816581638164/Sixteen-Brides-by-Stephanie-Grace-Whitson.pdf
    • http://owlaokopdf.myhome.cx/381648160816581628167/A-Captain-for-Laura-Rose-by-Stephanie-Grace-Whitson.pdf
    • http://owlaokopdf.myhome.cx/381628160816281638165/The-Message-on-the-Quilt-The-Quilt-Chronicles-3-by-Stephanie-Grace-Whitson.pdf
    • http://owlaokopdf.myhome.cx/1816081628164816081658165/Soaring-with-the-Wind-The-Bald-Eagle-by-Gail-Gibbons.pdf
    • http://owlaokopdf.myhome.cx/881618168816881678165/Missionary-Position-Masters-of-the-Prairie-Winds-Club-7-by-Avery-Gale.pdf
    • http://owlaokopdf.myhome.cx/181688162816281658162/Falling-for-Grace-Four-Winds-2-by-Anne-Conley.pdf
    • http://owlaokopdf.myhome.cx/781668160816981608162/Beach-Winds-Emerald-Isle-NC-2-by-Grace-Greene.pdf
    • http://owlaokopdf.myhome.cx/381628165816381648168/Fields-of-Grace-Heart-of-the-Prairie-4-by-Kim-Vogel-Sawyer.pdf
    • http://owlaokopdf.myhome.cx/48167816681658169/Winds-of-Fate-Valdemar-Mage-Winds-1-by-Mercedes-Lackey.pdf
    • http://owlaokopdf.myhome.cx/781648164816481608169/Wild-Heart-on-the-Prairie-A-Prairie-Heritage-2-by-Vikki-Kestell.pdf
    • http://owlaokopdf.myhome.cx/781648164816381618166/Her-Prairie-Knight-Prairie-Brides-2-by-Kit-Morgan.pdf
    • http://owlaokopdf.myhome.cx/88167816081688164/Oathbreakers-Storm-Rising-Winds-of-Fate-The-Oathbound-The-Black-Gryphon-The-Silver-Gryphon-The-Oathblood-Winds-of-Change-By-The-Sword-The-White-Gryphon-by-Mercedes-Lackey.pdf
    • http://owlaokopdf.myhome.cx/981678163816481648164/Winds-Ocean-Currents-and-Ice-Periods-Explanatory-Chapters-Concerning-Winds-Ocean-Currents-and-Frigid-Eras-by-Charles-Austin-Mendell-Taber.pdf
    • http://owlaokopdf.myhome.cx/781648164816481608164/A-Town-Called-Ruby-Prairie-Ruby-Prairie-1-by-Annette-Smith.pdf
    • http://owlaokopdf.myhome.cx/88166816981628166/The-Mage-Winds-Valdemar-Mage-Winds-1-3-by-Mercedes-Lackey.pdf
    • http://owlaokopdf.myhome.cx/78161816081608167/Under-the-Eagle-Eagle-1-by-Simon-Scarrow.pdf
    • http://owlaokopdf.myhome.cx/681688166816881668160/The-Janus-Eagle---The-Shattered-Frontier-The-Janus-Eagle-1-by-Francis-Hagan.pdf

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