Malicious PDF — malware analysis report

Static analysis result for SHA-256 5bf1593587322888…

MALICIOUS

PDF

16.1 KB Created: 2019-05-02 18:18:48 +01:00 Authoring application: mPDF 5.7
MD5: ab3af2536d9be086db2b717fbb0be4b4 SHA-1: a922e7d336e210ddf827db950d77a4594a94f279 SHA-256: 5bf1593587322888e79dbf84ae744ed35e02377a28870e5050df4876aee4b8ff
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded external links, identified as a link farm. This technique is often used to direct users to malicious websites or to artificially inflate traffic to specific domains. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9811

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://cefasfese.4pu.com/4733735739736730/The-Dragon-s-Mouth-The-Last-Mage-1-by-Nikolai-Krimp.pdf
    • http://cefasfese.4pu.com/2735734730735730/The-Dragon-s-Mage-Dragon-Mage-1-by-Kelly-Lucille.pdf
    • http://cefasfese.4pu.com/1735737733735731/The-Mage-with-the-Dragon-Magic-The-Mage-with-the-Dragon-Magic-Series-3-by-Irfan-Mirza.pdf
    • http://cefasfese.4pu.com/3737732739732736/The-Silver-Mage-Deverry-15-The-Dragon-Mage-7-by-Katharine-Kerr.pdf
    • http://cefasfese.4pu.com/7737738739739/The-Fire-Dragon-Deverry-11-Dragon-Mage-3-by-Katharine-Kerr.pdf
    • http://cefasfese.4pu.com/4737730736738738/The-Fire-Dragon-The-Dragon-Mage-3-by-Katharine-Kerr.pdf
    • http://cefasfese.4pu.com/1734730733730735/Out-of-the-Mouth-of-the-Dragon-by-Mark-S-Geston.pdf
    • http://cefasfese.4pu.com/1731731734734736/Mouth-of-the-Dragon-Prophecy-of-the-Evarun-by-Tom-Barczak.pdf
    • http://cefasfese.4pu.com/4732732733737731/Falling-into-the-Dragon-s-Mouth-by-Holly-Thompson.pdf
    • http://cefasfese.4pu.com/1735738730737733/The-Red-Wyvern-The-Dragon-Mage-1-by-Katharine-Kerr.pdf
    • http://cefasfese.4pu.com/4731730739733737/The-Black-Raven-The-Dragon-Mage-2-by-Katharine-Kerr.pdf
    • http://cefasfese.4pu.com/2732737737737736/Lusam-The-Dragon-Mage-Wars-Book-One-by-Dean-Cadman.pdf
    • http://cefasfese.4pu.com/2730739730734738/The-Spirit-Stone-The-Silver-Wyrm-2-The-Dragon-Mage-5-by-Katharine-Kerr.pdf
    • http://cefasfese.4pu.com/1738739732735/Mouth-to-Mouth-by-Abigail-Child.pdf
    • http://cefasfese.4pu.com/1732733730739736/Mouth-to-Mouth-by-Erin-McCarthy.pdf
    • http://cefasfese.4pu.com/3733738734731737/Mistress-Mage-The-Mage-Born-Chronicles-2-by-Kayleigh-Nicol.pdf
    • http://cefasfese.4pu.com/1730739734732738737/Winter-s-Mage-The-Outcast-Mage-2-by-Miriam-Greystone.pdf
    • http://cefasfese.4pu.com/4738737734739732/Blabber-Mouth-Blabber-Mouth-1-by-Morris-Gleitzman.pdf
    • http://cefasfese.4pu.com/6734733738734732/Flight-of-the-Bumblebee-by-Nikolai-Rimsky-Korsakov-Sheet-Music-by-Nikolai-Rimsky-Korsakov.pdf
    • http://cefasfese.4pu.com/5732735731735/The-Last-Herald-Mage-Valdemar-The-Last-Herald-Mage-1-3-by-Mercedes-Lackey.pdf

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