Malicious PDF — malware analysis report

Static analysis result for SHA-256 694d187abb10642b…

MALICIOUS

PDF

18.4 KB Created: 2020-03-18 21:47:56 +00:00 Authoring application: mPDF 5.7
MD5: 1a6d90dcd779a9c5c5761141be700f12 SHA-1: 25fb811a93722bab45e09b5982695a93ad5930be SHA-256: 694d187abb10642b1054c377c287e7fe67f8cbee7806b6289f4b2a34a350c8c6
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links pointing to PDFs on the domain 'rtuninnsi.myhome.cx'. This heuristic firing indicates a link farm, likely intended to manipulate search engine results or distribute malicious content. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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://rtuninnsi.myhome.cx/76a46a76a16a6/Ice-wind-rock-Douglas-Mawson-in-the-Antarctic-by-Peter-Gouldthorpe.pdf
    • http://rtuninnsi.myhome.cx/16a16a36a36a36a9/Peter-of-the-Wind-War-of-Contractia-1-by-T-J-Dixon.pdf
    • http://rtuninnsi.myhome.cx/36a46a16a56a56a5/The-Eye-of-the-Wind-by-Peter-Markham-Scott.pdf
    • http://rtuninnsi.myhome.cx/26a06a06a76a26a6/This-Is-the-Place-by-Peter-Rock.pdf
    • http://rtuninnsi.myhome.cx/36a46a36a66a16a2/The-Unsettling-by-Peter-Rock.pdf
    • http://rtuninnsi.myhome.cx/86a76a46a46a86a5/Smoke-in-the-Wind-Sister-Fidelma-11-by-Peter-Tremayne.pdf
    • http://rtuninnsi.myhome.cx/16a06a16a16a46a56a7/Close-to-the-Wind-The-Beaufort-Scale-by-Peter-Malone.pdf
    • http://rtuninnsi.myhome.cx/16a66a86a56a16a4/The-Shelter-Cycle-by-Peter-Rock.pdf
    • http://rtuninnsi.myhome.cx/46a96a66a76a96a7/Roy-Orbison-Invention-Of-An-Alternative-Rock-Masculinity-by-Peter-Lehman.pdf
    • http://rtuninnsi.myhome.cx/66a76a66a56a7/Easy-Riders-Raging-Bulls-How-the-Sex-Drugs-And-Rock--N--Roll-Generation-Saved-Hollywood-by-Peter-Biskind.pdf
    • http://rtuninnsi.myhome.cx/56a46a06a26a2/Guernsey-Evacuees-The-Forgotten-Evacuees-of-the-Second-World-War-by-Gillian-Mawson.pdf
    • http://rtuninnsi.myhome.cx/46a96a76a06a56a2/Are-You-Ready-for-the-Country-Elvis-Dylan-Parsons-and-the-Roots-of-Country-Rock-by-Peter-Doggett.pdf
    • http://rtuninnsi.myhome.cx/26a16a36a46a9/Antarctic-Traveller-Poems-by-Katha-Pollitt.pdf
    • http://rtuninnsi.myhome.cx/46a46a66a16a3/The-Wind-on-Fire-Trilogy-The-Wind-Singer-Slaves-of-the-Mastery-Firesong-by-William-Nicholson.pdf
    • http://rtuninnsi.myhome.cx/16a46a16a56a86a0/My-Season-With-Penguins-An-Antarctic-Journal-by-Sophie-Webb.pdf
    • http://rtuninnsi.myhome.cx/16a16a66a26a26a1/Into-the-White-Scott-s-Antarctic-Odyssey-by-Joanna-Grochowicz.pdf
    • http://rtuninnsi.myhome.cx/26a16a46a96a36a7/The-Wind-Singer-Wind-on-Fire-trilogy-1-by-William-Nicholson.pdf
    • http://rtuninnsi.myhome.cx/16a26a56a66a66a8/The-Wind-Singer-Wind-on-Fire-trilogy-1-by-William-Nicholson.pdf
    • http://rtuninnsi.myhome.cx/46a46a16a96a0/The-Wind-Singer-Wind-on-Fire-1-by-William-Nicholson.pdf
    • http://rtuninnsi.myhome.cx/26a76a46a66a46a8/Reap-The-Wind-Wind-Dancer-3-by-Iris-Johansen.pdf

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