Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe2c71bfc1e1e379…

MALICIOUS

PDF

18.9 KB Created: 2019-05-07 08:05:15 +01:00 Authoring application: mPDF 5.7
MD5: af252a718a65cbc043075959fb8feef3 SHA-1: eab0613812b3cd66e3587344372b578a741504fd SHA-256: fe2c71bfc1e1e379414c3e74dccd3234d738f128e303152a21b5c3065422cd79
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links to other PDF documents, as indicated by the PDF_SEO_LINK_FARM heuristic. While the ML classifier strongly suggests maliciousness, the specific intent beyond link farming is unclear as no scripts were extracted. The URLs themselves are marked as confirmed benign, suggesting the maliciousness lies in the distribution or SEO manipulation tactic rather than direct payload delivery via these links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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/2095096093091094/The-Phoenix-Project-Series-Books-1-3-The-Phoenix-Project-1-3-by-M-R-Pritchard.pdf
    • http://loaminoo.linkpc.net/1095094099094090/The-Phoenix-Project-The-Phoenix-Project-1-by-M-R-Pritchard.pdf
    • http://loaminoo.linkpc.net/2095096093091090/Revelation-The-Phoenix-Project-3-by-M-R-Pritchard.pdf
    • http://loaminoo.linkpc.net/2097093096092099/Casey-Hunter-Project-Phoenix-by-D-K-Conn.pdf
    • http://loaminoo.linkpc.net/1091095090096090094/Revised-An-Introduction-to-Project-Management-With-a-Brief-Guide-to-Microsoft-Project-Professional-2016-by-Kathy-Schwalbe.pdf
    • http://loaminoo.linkpc.net/1096093096099095/The-Phoenix-Embryo-Seasons-of-the-Phoenix-1-by-Jeanne-Marcella.pdf
    • http://loaminoo.linkpc.net/4090093094091092/Search-for-the-Phoenix-Phoenix-Series-Book-2-by-Jim-Proctor.pdf
    • http://loaminoo.linkpc.net/3097090091093093/Secrets-in-Phoenix-Phoenix-Holt-1-by-Gabriella-Lepore.pdf
    • http://loaminoo.linkpc.net/3090099098095092/Phoenix-Descending-Curse-of-the-Phoenix-1-by-Dorothy-Dreyer.pdf
    • http://loaminoo.linkpc.net/1090098093090098/The-Birth-of-a-Phoenix-Phoenix-Chronicles-1-by-Candice-Snow.pdf
    • http://loaminoo.linkpc.net/3098095098096095/Project-Mayhem-Project-Butterfly-2-by-K-A-Angliss.pdf
    • http://loaminoo.linkpc.net/4095096090097094/Dark-Phoenix-Phoenix-2-by-Elise-Faber.pdf
    • http://loaminoo.linkpc.net/7090099090092093/Phoenix-Awakens-The-Phoenix-1-by-Eliza-Nolan.pdf
    • http://loaminoo.linkpc.net/7090099090099091/Red-Phoenix-Burning-Red-Phoenix-2-by-Larry-Bond.pdf
    • http://loaminoo.linkpc.net/9099097096098091/Montauk-Project-Montauk-Base-is-Still-Alive-Plus-the-Philadelphia-Experiment-and-Brookhaven-Lab-Secrets-Blue-Planet-Project-Book-20-by-Gil-Carlson.pdf
    • http://loaminoo.linkpc.net/1094097095095093/Satisfaction-Guaranteed-Mercenary-Goddard-Project-6-Goddard-Project-1-by-Lucy-Monroe.pdf
    • http://loaminoo.linkpc.net/9091092095097/Phoenix-Wright-Ace-Attorney-Official-Casebook-Vol-1---The-Phoenix-Wright-Files-by-Kenji-Kuroda.pdf
    • http://loaminoo.linkpc.net/5093097099090096/Project-Patmos-In-The-Footsteps-of-Paul-Project-Patmos-Vol-1-by-Joe-A-Rector-Jr-.pdf
    • http://loaminoo.linkpc.net/1090096095096093/Project-Youth-Revelations-Project-Youth-1-by-Sherry-A-Stevens.pdf
    • http://loaminoo.linkpc.net/8097095099098092/A-Guide-to-the-Project-Management-Body-of-Knowledge-PMBOK-Guide--Vierte-Ausgabe-by-Project-Management-Institute.pdf
    • http://loaminoo.linkpc.net/1090098093090098/The-Birth-of-a-Phoenix