Malicious PDF — malware analysis report

Static analysis result for SHA-256 fc260387b3ecc6a6…

MALICIOUS

PDF

13.3 KB Created: 2019-04-30 05:13:34 +01:00 Authoring application: mPDF 5.7
MD5: ad6fe714ccfcd050fbdbe9ecdc28c161 SHA-1: 914197ec89a2914795ae98059f0fcbdf76420507 SHA-256: fc260387b3ecc6a6e623edcc2702f46cac725b77d92995b6cadb1c9b2f51519f
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Phishing: Spearphishing Attachment T1204.002 Malicious File: Malicious Link

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to external resources. The ML classifier also flagged this PDF as malicious. The embedded URLs are likely used to redirect users to malicious websites or to manipulate search engine rankings. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9102

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/1098099097092/Death-by-Silver-Julian-Lynes-and-Ned-Mathey-1-by-Melissa-Scott.pdf
    • http://loaminoo.linkpc.net/9096099095092095/Silver-Lining-The-Guardian-of-Man-2-5-by-Melissa-A-Smith.pdf
    • http://loaminoo.linkpc.net/1097097092098098/An-Autumn-Dream-Silver-Moon-Saga-1-5-by-Melissa-Giorgio.pdf
    • http://loaminoo.linkpc.net/4094091093091096/The-Sight-Seer-Silver-Moon-Saga-1-by-Melissa-Giorgio.pdf
    • http://loaminoo.linkpc.net/1092095095092090/The-Shadow-Stealer-Silver-Moon-Saga-3-by-Melissa-Giorgio.pdf
    • http://loaminoo.linkpc.net/4092099090092098/Shadow-Man-by-Melissa-Scott.pdf
    • http://loaminoo.linkpc.net/1099092091095/Trouble-and-Her-Friends-by-Melissa-Scott.pdf
    • http://loaminoo.linkpc.net/1099098092098098/Territorial-Rights-by-Melissa-Scott.pdf
    • http://loaminoo.linkpc.net/1096091093092099/Dreaming-Metal-by-Melissa-Scott.pdf
    • http://loaminoo.linkpc.net/2098094098098094/Hide-Me-Silver-Strands-1-by-Lexi-Scott.pdf
    • http://loaminoo.linkpc.net/3093091094095098/Fairs-Point-Astreiant-4-by-Melissa-Scott.pdf
    • http://loaminoo.linkpc.net/2092092096/The-Silver-Eyes-Five-Nights-at-Freddy-s-1-by-Scott-Cawthon.pdf
    • http://loaminoo.linkpc.net/6094096097094091/The-Garden-Star-Trek-Voyager-11-by-Melissa-Scott.pdf
    • http://loaminoo.linkpc.net/2092096092092/Every-Silver-Lining-Has-a-Cloud-Relapse-and-the-Symptoms-of-Sobriety-by-Scott-Stevens.pdf
    • http://loaminoo.linkpc.net/4092095091098092/Defying-Death-Dutiful-Gods-4-by-Melissa-Bell.pdf
    • http://loaminoo.linkpc.net/3091093093096/Death-on-a-Silver-Tray-Beau-Brummell-1-by-Rosemary-Stevens.pdf
    • http://loaminoo.linkpc.net/4093093098099099/Death-Taxes-and-Silver-Spurs-Tara-Holloway-7-by-Diane-Kelly.pdf
    • http://loaminoo.linkpc.net/2095093095097099/A-D-After-Death-by-Scott-Snyder.pdf
    • http://loaminoo.linkpc.net/1091097095095098/Death-Wishing-by-Laura-Ellen-Scott.pdf
    • http://loaminoo.linkpc.net/5092095093092/A-Small-Death-in-the-Great-Glen-by-A-D-Scott.pdf
    • http://loaminoo.linkpc.net/6094096097094091/The

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