Malicious PDF — malware analysis report

Static analysis result for SHA-256 142dbb1474edad1a…

MALICIOUS

PDF

15.4 KB Created: 2019-05-02 05:07:57 +01:00 Authoring application: mPDF 5.7
MD5: 5ab7b3ed6957ffa7fffbf5d77a316f80 SHA-1: 6a6e9c268f658ac07c66abab2ce7d49e6d250bb5 SHA-256: 142dbb1474edad1aa9c1deac82da0c44f50f99af70e1ba3e96c221cf5705e8e7
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a malicious intent to manipulate search engine results or redirect users to potentially harmful sites. The ML classifier also flagged this PDF as malicious with high confidence. While no scripts were explicitly extracted, the nature of the embedded links and the heuristic firings indicate a likely attempt to distribute malicious content or perform SEO abuse.

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/4091098090099096/Reckless-Youth-Reckless---The-Smoky-Mountain-Trio-Book-1-by-Sierra-Hill.pdf
    • http://loaminoo.linkpc.net/1099090091095099/Hard-amp-Reckless-Club-Reckless-1-by-Victoria-Ashley.pdf
    • http://loaminoo.linkpc.net/3095090090096092/Reckless-Rendezvous-Reckless-Beat-4-5-by-Eden-Summers.pdf
    • http://loaminoo.linkpc.net/9095090096098099/The-Right-Kind-of-Reckless-Reckless-Hearts-2-by-Heather-Van-Fleet.pdf
    • http://loaminoo.linkpc.net/9095090096096099/RECKLESS---The-Complete-Series-The-Reckless-1-5-by-Alice-Ward.pdf
    • http://loaminoo.linkpc.net/3093096098091099/Reckless-Longing-Reckless-1-by-Gina-Robinson.pdf
    • http://loaminoo.linkpc.net/2096094093093099/The-Faith-of-Men-and-Other-Stories-by-Jack-London.pdf
    • http://loaminoo.linkpc.net/1091092099094097095/Deborah-Kass-The-Warhol-Project-by-Deborah-Kass.pdf
    • http://loaminoo.linkpc.net/4096091098/True-Faith-and-Allegiance-Jack-Ryan-Universe-22-by-Mark-Greaney.pdf
    • http://loaminoo.linkpc.net/9095090097094093/Reckless-Devotion-Reckless-Devotion-1-by-Jennifer-Domenico.pdf
    • http://loaminoo.linkpc.net/9095090097094095/Reckless-Attraction-Reckless-Attraction-1-by-J-J-Knight.pdf
    • http://loaminoo.linkpc.net/1093095098096/Jack-on-the-Tracks-Four-Seasons-of-Fifth-Grade-Jack-Henry-4-by-Jack-Gantos.pdf
    • http://loaminoo.linkpc.net/3095095090099/The-100-The-100-1-by-Kass-Morgan.pdf
    • http://loaminoo.linkpc.net/1095090094092091/Meeting-Faith-The-Forest-Journals-of-a-Black-Buddhist-Nun-by-Faith-Adiele.pdf
    • http://loaminoo.linkpc.net/2097092093093095/From-Faith-To-Faith-A-Daily-Guide-To-Victory-by-Kenneth-Copeland.pdf
    • http://loaminoo.linkpc.net/7090099097093097/Understanding-the-Faith-A-Workbook-for-Communicants-Classes-and-Others-Preparing-to-Make-a-Public-Confession-of-Faith-by-Stephen-Smallman.pdf
    • http://loaminoo.linkpc.net/5093090096090096/Les-100---Tome-3-03-by-Kass-Morgan.pdf
    • http://loaminoo.linkpc.net/1091092099094091098/An-Era-of-Error-by-Kass-Ghayouri.pdf
    • http://loaminoo.linkpc.net/1097095093097090/Rebellion-The-100-4-by-Kass-Morgan.pdf
    • http://loaminoo.linkpc.net/2093091/Homecoming-The-100-3-by-Kass-Morgan.pdf

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