Malicious PDF — malware analysis report

Static analysis result for SHA-256 f20c1898169ec3a1…

MALICIOUS

PDF

24.3 KB Created: 2020-03-13 19:56:50 +00:00 Authoring application: mPDF 5.7
MD5: 1eeab07c07a5e1fd3788c2a2a3176351 SHA-1: 7d871c1c8a93e38724f841eb85079d7c535e0539 SHA-256: f20c1898169ec3a162833e6922aee6468c932de080ee6b252a54a07ef34f59f1
90 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to external resources, suggesting a tactic to manipulate search engine results or distribute malicious content. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted from this sample, and the document body was unreadable.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9773

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://ujcsiniio.myhome.cx/3cd3cd2cd6cd4cd9/Siege-of-Darkness-Legacy-of-the-Drow-3-Legend-of-Drizzt-9-by-R-A-Salvatore.pdf
    • http://ujcsiniio.myhome.cx/4cd2cd4cd1cd7/Legacy-of-the-Drow-Legacy-of-the-Drow-1-4-Legend-of-Drizzt-7-10-by-R-A-Salvatore.pdf
    • http://ujcsiniio.myhome.cx/8cd2cd3cd6cd7/The-Legacy-Forgotten-Realms-Legacy-of-the-Drow-1-Legend-of-Drizzt-7-by-R-A-Salvatore.pdf
    • http://ujcsiniio.myhome.cx/8cd2cd0cd2cd4/Starless-Night-Forgotten-Realms-Legacy-of-the-Drow-2-Legend-of-Drizzt-8-by-R-A-Salvatore.pdf
    • http://ujcsiniio.myhome.cx/4cd8cd6cd1cd6/The-Silent-Blade-Forgotten-Realms-Paths-of-Darkness-1-Legend-of-Drizzt-11-by-R-A-Salvatore.pdf
    • http://ujcsiniio.myhome.cx/7cd7cd4cd0cd1/The-Spine-of-the-World-Forgotten-Realms-Paths-of-Darkness-2-Legend-of-Drizzt-12-by-R-A-Salvatore.pdf
    • http://ujcsiniio.myhome.cx/6cd6cd7cd3cd0cd4/Aussi-loin-qu-une-me-ait-pu-fuir-Forgotten-Realms-Paths-of-Darkness-4-Legend-of-Drizzt-13-by-R-A-Salvatore.pdf
    • http://ujcsiniio.myhome.cx/2cd2cd0cd0cd4cd9/The-Companions-The-Sundering-1-The-Legend-of-Drizzt-24-by-R-A-Salvatore.pdf
    • http://ujcsiniio.myhome.cx/4cd4cd6cd8cd7/The-Legend-of-Drizzt-The-Collected-Stories-by-R-A-Salvatore.pdf
    • http://ujcsiniio.myhome.cx/1cd0cd3cd6cd0/The-Companions-The-Sundering-1-Legend-of-Drizzt-24-by-R-A-Salvatore.pdf
    • http://ujcsiniio.myhome.cx/2cd1cd2cd9cd6cd9/Sojourn-Dark-Elf-3-Legend-of-Drizzt-3-by-R-A-Salvatore.pdf
    • http://ujcsiniio.myhome.cx/2cd4cd3cd7cd1cd9/Dungeons-amp-Dragons-The-Legend-of-Drizzt---Neverwinter-Tales-by-R-A-Salvatore.pdf
    • http://ujcsiniio.myhome.cx/2cd4cd3cd6cd9cd0/Charon-s-Claw-Forgotten-Realms-Neverwinter-3-Legend-of-Drizzt-22-by-R-A-Salvatore.pdf
    • http://ujcsiniio.myhome.cx/2cd9cd2cd2cd8cd6/The-Ghost-King-Forgotten-Realms-Transitions-3-Legend-of-Drizzt-19-by-R-A-Salvatore.pdf
    • http://ujcsiniio.myhome.cx/4cd2cd7cd1cd1/Streams-of-Silver-Forgotten-Realms-Icewind-Dale-2-Legend-of-Drizzt-5-by-R-A-Salvatore.pdf
    • http://ujcsiniio.myhome.cx/4cd6cd2cd6cd3cd6/Exile-The-Graphic-Novel-Legend-of-Drizzt-The-Graphic-Novel-2-by-R-A-Salvatore.pdf
    • http://ujcsiniio.myhome.cx/2cd8cd9cd7cd9cd7/The-Hunter-s-Blades-Collector-s-Edition-Forgotten-Realms-Hunter-s-Blades-1-3-Legend-of-Drizzt-14-16-by-R-A-Salvatore.pdf
    • http://ujcsiniio.myhome.cx/3cd3cd7cd0cd7/The-Dark-Elf-Trilogy-Collector-s-Edition-Forgotten-Realms-Dark-Elf-Trilogy-1-3-Legend-of-Drizzt-1-3-by-R-A-Salvatore.pdf
    • http://ujcsiniio.myhome.cx/1cd6cd7cd6cd8cd4/Icewind-Dale-Trilogy-Forgotten-Realms-Icewind-Dale-1-3-Legend-of-Drizzt-4-6-by-R-A-Salvatore.pdf
    • http://ujcsiniio.myhome.cx/1cd1cd6cd7cd8cd2cd4/Terre-d-exil-La-L-gende-de-Drizzt-T2-Fantasy-by-R-A-Salvatore.pdf
    • http://ujcsiniio.myhome.cx/4cd8cd6cd1cd6/The-Silent-Blade-Forgotten-Realms-Paths-of-Da

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