Malicious PDF — malware analysis report

Static analysis result for SHA-256 86dd2f4b36c38df2…

MALICIOUS

PDF

21.0 KB Created: 2019-04-30 02:46:39 +01:00 Authoring application: mPDF 5.7
MD5: 38c2343f65b4b02704e4233e259fb5d6 SHA-1: ca53e2eff37ca2f458a1f3e861e0590de47e5bdd SHA-256: 86dd2f4b36c38df2969021412439f4ea48c0457b58dcb72cecba56bc35737392
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document was flagged by a machine learning classifier as malicious and contains a large number of embedded links. These links point to external PDF files, suggesting a link farm or content distribution tactic. The primary attack pattern observed is the mass embedding of URLs, likely for SEO manipulation or to distribute further content. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9939

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://loaminoo.linkpc.net/4094095092091097/From-the-Dark-Bewitch-the-Dark-1-by-Michele-Hauf.pdf
    • http://loaminoo.linkpc.net/5090090094091094/Kiss-Me-Deadly-by-Michele-Hauf.pdf
    • http://loaminoo.linkpc.net/1098098098091097/Captivating-the-Witch-by-Michele-Hauf.pdf
    • http://loaminoo.linkpc.net/5097095093092095/Tentation-dangereuse-by-Michele-Hauf.pdf
    • http://loaminoo.linkpc.net/4094095094093099/My-Lady-Madness-by-Michele-Hauf.pdf
    • http://loaminoo.linkpc.net/6095097097090093/Nocturne-Sampler-by-Michele-Hauf.pdf
    • http://loaminoo.linkpc.net/1095098090095090/Gossamyr-Changelings-2-by-Michele-Hauf.pdf
    • http://loaminoo.linkpc.net/1097093098091095/Moon-Kissed-Wicked-Games-2-by-Michele-Hauf.pdf
    • http://loaminoo.linkpc.net/2091098099099095/The-Vampire-Hunter-In-the-Company-of-Vampires-2-by-Michele-Hauf.pdf
    • http://loaminoo.linkpc.net/1098098097093099/Beautiful-Danger-In-the-Company-of-Vampires-1-by-Michele-Hauf.pdf
    • http://loaminoo.linkpc.net/2093099097090095/Winter-Kissed-A-Kiss-of-Frost-Ice-Bound-by-Michele-Hauf.pdf
    • http://loaminoo.linkpc.net/3091097092095091/Ashes-of-Angels-Of-Angels-and-Demons-3-by-Michele-Hauf.pdf
    • http://loaminoo.linkpc.net/1097093097096098/Vacation-with-a-Vampire-Stay-Vivi-and-the-Vampire-Island-Vacation-by-Michele-Hauf.pdf
    • http://loaminoo.linkpc.net/3094094096091095/The-Pianist-in-the-Dark-by-Mich-le-Halberstadt.pdf
    • http://loaminoo.linkpc.net/1096092098099090/Western-genre-Novels-including-The-Dark-Tower-Ii-The-Drawing-Of-The-Three-The-Dark-Tower-The-Gunslinger-The-Dark-Tower-Iv-Wizard-And-Glass-The-Dark-Tower-Iii-The-Waste-Lands-The-Dark-Tower-V-Wolves-Of-The-Calla-The-Wind-Through-The-Keyhole-by-Hephaestus-Books.pdf
    • http://loaminoo.linkpc.net/5099096092099/The-Immortals-After-Dark-Collection-Dreams-Of-A-Dark-Warrior-Demon-From-The-Dark-A-Hunger-Like-No-Other-Immortals-After-Dark-2-10-11-by-Kresley-Cole.pdf
    • http://loaminoo.linkpc.net/3092096096090099/Mud-Stories-of-Sex-and-Love-Michele-Roberts-by-Mich-le-Roberts.pdf
    • http://loaminoo.linkpc.net/3098092097099097/Caress-of-Pleasure-A-Dark-Pleasures-Novella-Dark-Pleasures-3-5-1001-Dark-Nights-17-by-Julie-Kenner.pdf
    • http://loaminoo.linkpc.net/2099094092092091/Bad-Boys-After-Dark-Brett-Bad-Boys-After-Dark-4-Billionaires-After-Dark-8-Love-in-Bloom-50-by-Melissa-Foster.pdf
    • http://loaminoo.linkpc.net/2090092090095096/Bad-Boys-After-Dark-Dylan-Bad-Boys-After-Dark-2-Billionaires-After-Dark-6-Love-in-Bloom-48-by-Melissa-Foster.pdf

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