Malicious PDF — malware analysis report

Static analysis result for SHA-256 c0a69e77844f1336…

MALICIOUS

PDF

16.7 KB Created: 2019-04-28 09:19:27 +01:00 Authoring application: mPDF 5.7 First seen: 2020-12-28
MD5: e8172aff230d36be89b79ec321dc0c80 SHA-1: 8690221b06bb80f2d777136890067bbfb949dbeb SHA-256: c0a69e77844f133659e75bc5c9b0afd49daf7d1d0bd6c15f6370e83adbbf4930
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, identified as a link farm. While the URLs themselves are currently marked as benign, the sheer volume and the heuristic firing suggest an attempt to manipulate search engine results or to redirect users to potentially malicious content. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9913

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/3093095097094093/The-Wanderer-The-Sin-Bin-1-by-Dahlia-Donovan.pdf In PDF document text
    • http://loaminoo.linkpc.net/2091091096096093/The-Caretaker-The-Sin-Bin-2-by-Dahlia-Donovan.pdfIn PDF document text
    • http://loaminoo.linkpc.net/2094092097097095/Forged-in-Flood-by-Dahlia-Donovan.pdfIn PDF document text
    • http://loaminoo.linkpc.net/3094098098091093/Alicia-Blackbird-5-by-Dahlia-Donovan.pdfIn PDF document text
    • http://loaminoo.linkpc.net/1091090096093095099/Wanderer---Origins-Wanderer-s-Odyssey-4-by-Simon-Goodson.pdfIn PDF document text
    • http://loaminoo.linkpc.net/2097099094092094/Black-Dahlia-Avenger-II-Presenting-the-Follow-Up-Investigation-and-Further-Evidence-Linking-Dr-George-Hill-Hodel-to-Los-Angeles-s-Black-Dahlia-and-Other-1940s-Lone-Woman-Murders-by-Steve-Hodel.pdfIn PDF document text
    • http://loaminoo.linkpc.net/2099095092091093/Donovan-s-Angel-Donovan-s-of-the-Delta-1-by-Peggy-Webb.pdfIn PDF document text
    • http://loaminoo.linkpc.net/2097093092094092/Footprints-in-the-Sand-A-Piper-Donovan-Mystery-Piper-Donovan-Wedding-Cake-Mysteries-Book-3-by-Mary-Jane-Clark.pdfIn PDF document text
    • http://loaminoo.linkpc.net/6098094099098095/Meurtre-Heron-s-Cove-T1---S-rie-Emma-Sharpe-et-Colin-Donovan-Emma-Sharpe-amp-Colin-Donovan-by-Carla-Neggers.pdfIn PDF document text
    • http://loaminoo.linkpc.net/1091090096094093095/Wanderer-by-Stella-Coulson.pdfIn PDF document text
    • http://loaminoo.linkpc.net/7099090092092/The-Wanderer-by-Mika-Waltari.pdfIn PDF document text
    • http://loaminoo.linkpc.net/4095097097096093/The-Wanderer-by-Timothy-J-Jarvis.pdfIn PDF document text
    • http://loaminoo.linkpc.net/3092091096093098/The-Wanderer-by-Sharon-Creech.pdfIn PDF document text
    • http://loaminoo.linkpc.net/1091090096093096094/The-Wanderer-by-Beverly-Barton.pdfIn PDF document text
    • http://loaminoo.linkpc.net/1094091093093099/The-Wanderer-by-Sharon-Creech.pdfIn PDF document text
    • http://loaminoo.linkpc.net/1091090096093096096/Wanderer-by-Dennis-Schmidt.pdfIn PDF document text
    • http://loaminoo.linkpc.net/5090091095097097/The-Wanderer-by-Monica-Edwards.pdfIn PDF document text
    • http://loaminoo.linkpc.net/2095090095094099/Forever-Yours-by-Dahlia-Rose.pdfIn PDF document text
    • http://loaminoo.linkpc.net/1091099097093090099/The-Solemn-Vow-by-Bree-Dahlia.pdfIn PDF document text
    • http://loaminoo.linkpc.net/2095090093092099/The-Preacher-s-Son-by-Dahlia-Rose.pdfIn PDF document text

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