Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa42281117a0df0c…

MALICIOUS

PDF

20.1 KB Created: 2020-02-13 23:22:47 +00:00 Authoring application: mPDF 5.7
MD5: 4b33800aec56ebe7fd8237108d7a234e SHA-1: 616d13a200f36286d7cd72c73efd4e2548b88552 SHA-256: fa42281117a0df0cc00a7f837325ae6a75ac1a76a26f4a36f78794356119ebc8
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded URLs pointing to external PDF documents on a single suspicious domain, indicative of a link farm or redirection scheme. The ML classifier strongly flagged this PDF as malicious. The primary attack pattern involves luring the user to click on these links, potentially leading to further malicious content or exploitation.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9922

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/7cd0cd9cd4cd9cd4/Discourse-Markers-and-Dis-Fluency-Forms-and-Functions-Across-Languages-and-Registers-by-Ludivine-Crible.pdf
    • http://ujcsiniio.myhome.cx/2cd7cd4cd4cd0cd7/Discourse-on-the-Origins-of-Inequality-Second-Discourse-Polemics-and-Political-Economy-by-Jean-Jacques-Rousseau.pdf
    • http://ujcsiniio.myhome.cx/6cd9cd9cd5cd5cd1/Sketching-With-Markers-by-Thomas-C-Wang.pdf
    • http://ujcsiniio.myhome.cx/6cd9cd9cd5cd1cd7/Mating-Markers---Book-1-by-Teeta.pdf
    • http://ujcsiniio.myhome.cx/6cd9cd9cd6cd0cd2/Mating-Markers---Book-4-by-Teeta.pdf
    • http://ujcsiniio.myhome.cx/1cd8cd3cd7cd6cd0/Road-Markers-by-Jason-McIntyre.pdf
    • http://ujcsiniio.myhome.cx/6cd9cd9cd6cd0cd3/New-Marker-Techniques-A-Guide-To-Using-Markers-by-Yoshiharu-Shimizu.pdf
    • http://ujcsiniio.myhome.cx/6cd9cd9cd5cd9cd4/A-Guidebook-to-Virginia-s-Historical-Markers-by-Scott-David-Arnold.pdf
    • http://ujcsiniio.myhome.cx/6cd9cd9cd5cd9cd6/Are-Racists-Crazy-How-Prejudice-Racism-and-Antisemitism-Became-Markers-of-Insanity-by-Sander-L-Gilman.pdf
    • http://ujcsiniio.myhome.cx/1cd1cd9cd3cd5cd3cd9/The-Presentation-of-a-Hybrid-Identity-in-Fred-Wahs-Diamond-Grill-Food-and-Habitation-as-Ethnic-Markers-and-Chinese-Canadians-by-Katharina-Eder.pdf
    • http://ujcsiniio.myhome.cx/7cd2cd7cd2cd9cd9/Discourse-Summaries-by-S-N-Goenka.pdf
    • http://ujcsiniio.myhome.cx/6cd4cd3cd4cd6cd2/Vier-Aspekte-Der-Zeit--Lichkeit-in-Chris-Markers-quot-La-Jetee-quot-by-Lukas-Lohmer.pdf
    • http://ujcsiniio.myhome.cx/6cd7cd7cd2cd4/A-Discourse-in-Steel-Egil-and-Nix-2-by-Paul-S-Kemp.pdf
    • http://ujcsiniio.myhome.cx/1cd5cd4cd4cd7/A-Lover-s-Discourse-Fragments-by-Roland-Barthes.pdf
    • http://ujcsiniio.myhome.cx/6cd9cd9cd5cd1cd6/Tangled-Treasures-Coloring-Book-52-Intricate-Tangle-Drawings-to-Color-with-Pens-Markers-or-Pencils---Plus-Coloring-schemes-and-techniques-by-Jane-Monk.pdf
    • http://ujcsiniio.myhome.cx/1cd1cd4cd3cd1cd6cd3/Chaucer-and-the-Politics-of-Discourse-by-Michaela-Paasche-Grudin.pdf
    • http://ujcsiniio.myhome.cx/8cd7cd0cd0cd7cd5/Discourse-on-Metaphysics-and-Other-Essays-by-Gottfried-Wilhelm-Leibniz.pdf
    • http://ujcsiniio.myhome.cx/4cd3cd9cd0cd5/Discourse-on-the-Origin-of-Inequality-by-Jean-Jacques-Rousseau.pdf
    • http://ujcsiniio.myhome.cx/5cd6cd2cd7cd1cd3/On-Suicide-A-Discourse-on-Voluntary-Death-by-Jean-Am-ry.pdf
    • http://ujcsiniio.myhome.cx/1cd1cd5cd0cd2cd3cd4/Civic-Discourse-Civil-Society-and-Chinese-Communities-by-R-Kluver.pdf

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