Malicious PDF — malware analysis report

Static analysis result for SHA-256 7ee586598940ac41…

MALICIOUS

PDF

14.9 KB Created: 2020-03-18 23:00:49 +00:00 Authoring application: mPDF 5.7
MD5: be52209a283aff7caf43076fbba78da2 SHA-1: 6ed87a8c35dfd39d0495a46d64929e80a2b04a83 SHA-256: 7ee586598940ac41909fbc03870bce32be3cc7c868141ef98849cee28a2b1b71
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded external links, a technique often used for SEO poisoning or to redirect users to malicious websites. The ML classifier also flagged this PDF as malicious. No scripts were extracted from this sample, but the extensive link farm suggests a delivery mechanism for further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9798

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://ieuicufioao.myhome.cx/1551550555552550/The-Witches-of-Eastwick-Eastwick-1-by-John-Updike.pdf
    • http://ieuicufioao.myhome.cx/3552558553559558/The-Witches-of-Eastwick-by-John-Updike.pdf
    • http://ieuicufioao.myhome.cx/3552557555550559/The-Witches-of-Eastwick-by-John-Updike.pdf
    • http://ieuicufioao.myhome.cx/3558559557554559/Kissing-the-Bridesmaid-by-Dominique-Eastwick.pdf
    • http://ieuicufioao.myhome.cx/3554552556551558/Hunting-JC-Sherman-Family-1-by-Dominique-Eastwick.pdf
    • http://ieuicufioao.myhome.cx/3558559557556551/Hunting-JC-Sherman-Family-1-by-Dominique-Eastwick.pdf
    • http://ieuicufioao.myhome.cx/5550551552559556/Rabbit-Run-by-John-Updike.pdf
    • http://ieuicufioao.myhome.cx/3551556559555554/Couples-by-John-Updike.pdf
    • http://ieuicufioao.myhome.cx/2552550554555/The-Coup-by-John-Updike.pdf
    • http://ieuicufioao.myhome.cx/1555558553554/Bech-A-Book-by-John-Updike.pdf
    • http://ieuicufioao.myhome.cx/2555559559556556/Rabbit-Redux-by-John-Updike.pdf
    • http://ieuicufioao.myhome.cx/2551556550559/Still-Looking-Essays-on-American-Art-by-John-Updike.pdf
    • http://ieuicufioao.myhome.cx/2555559558555558/Rabbit-At-Rest-by-John-Updike.pdf
    • http://ieuicufioao.myhome.cx/1556550555554/Pigeon-Feathers-and-Other-Stories-by-John-Updike.pdf
    • http://ieuicufioao.myhome.cx/3557550558559550/The-Complete-Henry-Bech-by-John-Updike.pdf
    • http://ieuicufioao.myhome.cx/4554555558550555/The-Best-American-Short-Stories-1984-by-John-Updike.pdf
    • http://ieuicufioao.myhome.cx/1550559555552553552/Higher-Gossip-Essays-and-Criticism-by-John-Updike.pdf
    • http://ieuicufioao.myhome.cx/4557550555553557/Witches-With-the-Enemy-A-Novel-of-the-Mist-Torn-Witches-The-Mist-Torn-Witches-series-Book-3-by-Barb-Hendee.pdf
    • http://ieuicufioao.myhome.cx/4557558553554/Rabbit-Omnibus-Rabbit-Run-Rabbit-Redux-Rabbit-Is-Rich-by-John-Updike.pdf
    • http://ieuicufioao.myhome.cx/1550558553552552557/Ghosts-of-Witches-Past-Witches-of-Tower-Hill-1-by-Corinne-O-39-Flynn.pdf
    • http://ieuicufio

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