Malicious PDF — malware analysis report

Static analysis result for SHA-256 180dab81dd891832…

MALICIOUS

PDF

20.7 KB Created: 2019-04-30 04:48:28 +01:00 Authoring application: mPDF 5.7
MD5: 29b72af9a45b6e36dc1f2fd1185cbdd8 SHA-1: c27b51db3df8d419136aa527e3a8f5ccd3004228 SHA-256: 180dab81dd8918324664d14542ac858788ca4b574221546f641c90c6fed56e80
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files, a technique often used for SEO spam or to distribute malicious content. The ML classifier also flagged this PDF as malicious. While no scripts were extracted, the sheer volume of links and the ML detection suggest a malicious intent, likely to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9942

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/1090092090090090094/On-the-Many-Deaths-of-Amanda-Palmer-And-the-Many-Crimes-of-Tobias-James-by-Rohan-Kriwaczek.pdf
    • http://loaminoo.linkpc.net/6096096098090/The-Art-of-Asking-or-How-I-Learned-to-Stop-Worrying-and-Let-People-Help-by-Amanda-Palmer.pdf
    • http://loaminoo.linkpc.net/4097096090098095/The-Art-of-Asking-or-How-I-Learned-to-Stop-Worrying-and-Let-People-Help-by-Amanda-Palmer.pdf
    • http://loaminoo.linkpc.net/4098092095094095/The-Art-of-Asking-or-How-I-Learned-to-Stop-Worrying-and-Let-People-Help-by-Amanda-Palmer.pdf
    • http://loaminoo.linkpc.net/8099090090098095/The-Art-of-Asking-Wie-ich-aufh-rte-mir-Sorgen-zu-machen-und-lernte-mir-helfen-zu-lassen-by-Amanda-Palmer.pdf
    • http://loaminoo.linkpc.net/4098097090093095/Other-Losses-An-Investigation-Into-the-Mass-Deaths-of-German-Prisoners-at-the-Hands-of-the-French-and-Americans-After-World-War-II-by-James-Bacque.pdf
    • http://loaminoo.linkpc.net/5096096098093/The-Long-Journey-to-Jake-Palmer-by-James-L-Rubart.pdf
    • http://loaminoo.linkpc.net/7097094095095093/Crimes-and-Mercies-The-Fate-of-German-Civilians-Under-Allied-Occupation-1944-50-by-James-Bacque.pdf
    • http://loaminoo.linkpc.net/2095094096098096/Bloody-Crimes-The-Chase-for-Jefferson-Davis-and-the-Death-Pageant-for-Lincoln-s-Corpse-by-James-L-Swanson.pdf
    • http://loaminoo.linkpc.net/2096094094094099/Hurricane-Crimes-Disaster-Crimes-1-by-Chrys-Fey.pdf
    • http://loaminoo.linkpc.net/5090095092099096/Another-Mother-by-Amanda-James.pdf
    • http://loaminoo.linkpc.net/3090094091097095/There-Are-Crimes-and-Crimes-by-August-Strindberg.pdf
    • http://loaminoo.linkpc.net/3093094090092098/Paul-Bernardo-and-Karla-Homolka-The-True-Story-of-the-Ken-and-Barbie-Killers-Crimes-Canada-True-Crimes-That-Shocked-The-Nation-3-by-Peter-Vronsky.pdf
    • http://loaminoo.linkpc.net/2095093096094093/Target-Lock-Amanda-Garrett-4-by-James-H-Cobb.pdf
    • http://loaminoo.linkpc.net/9095094097093095/Duell-in-fremden-Gew-ssern-Amanda-Garrett-5-by-James-H-Cobb.pdf
    • http://loaminoo.linkpc.net/5091093095098094/The-Weight-of-Him-by-Ethel-Rohan.pdf
    • http://loaminoo.linkpc.net/1091091099099096/To-Name-Those-Lost-by-Rohan-Wilson.pdf
    • http://loaminoo.linkpc.net/4099097099097099/Blues-Chaos-The-Music-Writing-of-Robert-Palmer-by-Robert-Palmer.pdf
    • http://loaminoo.linkpc.net/9097093098090096/3-of-a-Kind-Knightley-amp-Son-3-by-Rohan-Gavin.pdf
    • http://loaminoo.linkpc.net/2095093093093/Ruthless-The-House-of-Rohan-1-by-Anne-Stuart.pdf

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