Malicious PDF — malware analysis report

Static analysis result for SHA-256 7cc72ab798599656…

MALICIOUS

PDF

15.4 KB Created: 2019-05-02 03:13:06 +01:00 Authoring application: mPDF 5.7
MD5: 5bfdb0f6e67ab96411f7f5c68e9a23f0 SHA-1: ce4f286b48fb451ade73f387547f9f881dc53430 SHA-256: 7cc72ab79859965651c07168ae85d60df5454534da2dbf713ce10004227e224f
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, many of which are hosted on the dynamic DNS domain 'loaminoo.linkpc.net'. This heuristic firing, combined with the ML classifier, indicates a malicious intent to redirect users to potentially harmful content. No scripts were extracted, but the structure suggests a link farm or SEO poisoning attack.

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/1091099090099095090/Kemlo-and-the-End-of-Time-by-E-C-Eliott.pdf
    • http://loaminoo.linkpc.net/1091099090098095094/Kemlo-and-the-Martian-Ghosts-The-Kemlo-Books-by-E-C-Eliott.pdf
    • http://loaminoo.linkpc.net/1091099090099094098/Kemlo-and-the-Space-Men-by-E-C-Eliott.pdf
    • http://loaminoo.linkpc.net/1091099090099094099/Kemlo-and-the-Zombie-Men-by-E-C-Eliott.pdf
    • http://loaminoo.linkpc.net/1091099091091091097/Kemlo-and-the-Satellite-Builders-by-E-C-Eliott.pdf
    • http://loaminoo.linkpc.net/1091099090098094099/Kemlo-and-the-Crazy-Planet-by-E-C-Eliott.pdf
    • http://loaminoo.linkpc.net/4099099099098093/Time-Trip-A-Time-After-Time-Reincarnation-Novella-Time-After-Time-Reincarnation-Lives-Book-1-by-Wendy-Godding.pdf
    • http://loaminoo.linkpc.net/1091099090097099099/The-House-of-Eliott-by-Jean-Marsh.pdf
    • http://loaminoo.linkpc.net/1091099091090095095/Romance-Doug-s-Plaything-by-J-Eliott.pdf
    • http://loaminoo.linkpc.net/1091099091090096096/Flutschige-Fickereien-by-Eliott-Boricua.pdf
    • http://loaminoo.linkpc.net/1091099090098095098/The-Sleeping-Baby-by-Nicholas-Eliott.pdf
    • http://loaminoo.linkpc.net/1091099090098090093/The-House-of-Eliott-by-Louise-Lombard.pdf
    • http://loaminoo.linkpc.net/1091099091090096092/History-of-New-Boston-New-Hampshire-by-Eliott-Cogswell.pdf
    • http://loaminoo.linkpc.net/1091099090099094096/Strength-Through-Dragons-and-Chinese-Proverbs-by-Nicholas-Eliott.pdf
    • http://loaminoo.linkpc.net/1091099091091092094/The-Printing-of-the-First-Folio-of-Shakespeare-by-Edwin-Eliott-Willoughby.pdf
    • http://loaminoo.linkpc.net/1091099091090095093/Stallside-My-Life-With-Horses-and-Other-Characters-by-Matthew-Eliott.pdf
    • http://loaminoo.linkpc.net/1091099090099095094/Northern-Lights-A-Kid-s-Book-About-Aurora-Borealis-by-Nicholas-Eliott.pdf
    • http://loaminoo.linkpc.net/1091099091090096093/By-Way-of-the-Personal-Path-The-Continuing-Journey-Into-Self-Awareness-by-Eliott-James.pdf
    • http://loaminoo.linkpc.net/1091099091091091095/Probabilistic-Number-Theory-II-Central-Limit-Theorems-by-P-D-Eliott.pdf
    • http://loaminoo.linkpc.net/1091099090099095093/Swallows-a-kids-book-about-swallow-birds-by-Nicholas-Eliott.pdf

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