Malicious PDF — malware analysis report

Static analysis result for SHA-256 0f19485556841520…

MALICIOUS

PDF

15.4 KB Created: 2019-05-01 18:27:38 +01:00 Authoring application: mPDF 5.7
MD5: c4c726c249ab3b22070be0f0628432fb SHA-1: db4d2fcbfc86843f2a4e5a4c9c2154ec210bc05b SHA-256: 0f19485556841520976363499c6c6f680ac0951ee373e2cb49eddb604cdfc831
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded links, identified as a link farm. While the document body is heavily obfuscated, the presence of numerous external links suggests an attempt to manipulate search engine results or direct users to potentially malicious websites. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9880

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/7099099099096091/True-Stories-of-Gothic-Macabre-Mysteries-of-the-Macabre-Book-1-by-Stephen-Young.pdf
    • http://loaminoo.linkpc.net/7099099099095093/Masters-of-True-Crime-Chilling-Stories-of-Murder-and-the-Macabre-by-R-Barri-Flowers.pdf
    • http://loaminoo.linkpc.net/3099091090097098/H-P-Lovecraft-s-Book-of-the-Supernatural-Classic-Tales-of-the-Macabre-by-Stephen-Jones.pdf
    • http://loaminoo.linkpc.net/7099099097090098/Macabre-by-Stephen-Laws.pdf
    • http://loaminoo.linkpc.net/1090090090099096099/Art-that-Creeps-A-Macabre-Menagerie-of-Art-by-Yasha-Young.pdf
    • http://loaminoo.linkpc.net/4093096097090099/Danse-Macabre-by-Stephen-King.pdf
    • http://loaminoo.linkpc.net/7099099098098097/Criminal-Macabre-The-Complete-Cal-McDonald-Stories-by-Steve-Niles.pdf
    • http://loaminoo.linkpc.net/1091098094094094094/The-Georgia-Black-Book-Morbid-Macabre-and-Sometimes-Disgusting-Records-of-Genealogical-Value-by-Robert-Scott-Davis.pdf
    • http://loaminoo.linkpc.net/7099099098098095/The-Second-Macabre-Megapack-by-E-Nesbit.pdf
    • http://loaminoo.linkpc.net/2091094098091093/The-Macabre-Collection-by-David-Haynes.pdf
    • http://loaminoo.linkpc.net/7099099098098094/Toe-Tag-A-Mini-Macabre-by-Paul-G-Bens-Jr-.pdf
    • http://loaminoo.linkpc.net/7099099097090099/London-Macabre-by-Steven-Savile.pdf
    • http://loaminoo.linkpc.net/3095099093096095/Danse-Macabre-by-Cristelle-Comby.pdf
    • http://loaminoo.linkpc.net/7099099097097098/A-Macabre-Miscellany-by-Geoffrey-Abbott.pdf
    • http://loaminoo.linkpc.net/5092097095092099/Danse-Macabre-by-Kathleen-Kellow.pdf
    • http://loaminoo.linkpc.net/5092097096090094/Danse-Macabre-by-Robert-Mayer.pdf
    • http://loaminoo.linkpc.net/4099099096095099/Fugue-Macabre-Ghost-Dance-by-C-J-Parker.pdf
    • http://loaminoo.linkpc.net/7099099098090090/Criminal-Macabre-Omnibus-Volume-1-by-Ben-Templesmith.pdf
    • http://loaminoo.linkpc.net/5092097093095092/Secret-Six-Vol-3-Danse-Macabre-by-Gail-Simone.pdf
    • http://loaminoo.linkpc.net/2091098096093096/The-Vampyre-and-Other-Tales-of-the-Macabre-by-John-William-Polidori.pdf

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