Malicious PDF — malware analysis report

Static analysis result for SHA-256 0646bda97aa5adbd…

MALICIOUS

PDF

16.1 KB Created: 2019-05-02 01:05:21 +01:00 Authoring application: mPDF 5.7
MD5: cec332eae6d71b44ccf157fc6db705ea SHA-1: 11e31dd1bb7eba1e22600be187941f94bf60c90f SHA-256: 0646bda97aa5adbd77bbf4d10773be19b55e4764f0ccc6d88e8d62a399773c99
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 manipulation or to distribute further malicious content. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the embedded URLs themselves are the primary indicators of malicious intent, likely serving as a lure or a distribution mechanism.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9898

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/7099098092090093/Les-Aventures-d-Archibald-Le-Grillon-The-Adventures-Of-Archibald-The-Cricket-by-Patrick-Huet.pdf
    • http://loaminoo.linkpc.net/6092097092099/Force-of-Gravity-Gravity-1-by-Kelly-Stevenson.pdf
    • http://loaminoo.linkpc.net/2094096093095090/Gravity-Happens-Forcing-Gravity-2-by-Monica-Alexander.pdf
    • http://loaminoo.linkpc.net/8091099096098095/Letters-of-Archibald-MacLeish-1907-to-1982-by-Archibald-MacLeish.pdf
    • http://loaminoo.linkpc.net/4093097092095098/Unpacked-Travel-Disaster-Stories-by-Tony-Wheeler-and-Other-Lonely-Planet-Authors-by-Tony-Wheeler.pdf
    • http://loaminoo.linkpc.net/8091099096093093/Collected-Works-of-Archibald-Lampman-by-Archibald-Lampman.pdf
    • http://loaminoo.linkpc.net/2095097098090093/Spacetime-Physics-by-Edwin-F-Taylor.pdf
    • http://loaminoo.linkpc.net/3090094093099096/Planetary-Volume-4-Spacetime-Archaeology-by-Warren-Ellis.pdf
    • http://loaminoo.linkpc.net/1098090092091/Genuine-Value-The-John-Deere-Journey-by-John-J-Gerstner.pdf
    • http://loaminoo.linkpc.net/3098093098096091/Forcing-Gravity-Forcing-Gravity-1-by-Monica-Alexander.pdf
    • http://loaminoo.linkpc.net/1092092093096090/The-Magic-Journey-by-John-Nichols.pdf
    • http://loaminoo.linkpc.net/9095095094091092/An-Unsuccessful-Journey-by-John-Loeff.pdf
    • http://loaminoo.linkpc.net/4093096094096091/Jamaal-s-Journey-by-John-McCormack.pdf
    • http://loaminoo.linkpc.net/2093092093091091/Class-of-59-American-Journey-4-by-John-A-Heldt.pdf
    • http://loaminoo.linkpc.net/6098092092095090/A-Journey-of-Riches-Making-Changes-by-John-Spender.pdf
    • http://loaminoo.linkpc.net/5099094091096/Journey-Into-Darkness-Mindhunter-2-by-John-Edward-Douglas.pdf
    • http://loaminoo.linkpc.net/2093092092099097/Indiana-Belle-American-Journey-3-by-John-A-Heldt.pdf
    • http://loaminoo.linkpc.net/4092098090097090/Waiting-for-Pops-A-Journey-from-Boy-to-Man-by-John-Philip-Riffice.pdf
    • http://loaminoo.linkpc.net/1097098093098/A-Personal-Journey-to-the-Heart-of-Teaching-by-John-Fioravanti.pdf
    • http://loaminoo.linkpc.net/2093092092091097/Mercer-Street-American-Journey-2-by-John-A-Heldt.pdf

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