Malicious PDF — malware analysis report

Static analysis result for SHA-256 5759590db62da955…

MALICIOUS

PDF

17.1 KB Created: 2019-05-01 20:53:55 +01:00 Authoring application: mPDF 5.7
MD5: 5908ed2134f8a55cc055d2969797f421 SHA-1: 43f4e41e0b0957481eed8bcff36a7d14712cd85c SHA-256: 5759590db62da9558134c0b7b22fa3fc8ff8a5340ed9b60e6fcfbe64bdcb509b
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF file contains a large number of embedded links to external PDF documents, hosted on the dynamic DNS domain 'loaminoo.linkpc.net'. This suggests a link farm or SEO poisoning attack, aiming to drive traffic to these external resources. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the immediate payload.

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/7099092097095096/Is-Comrade-Bulgakov-Dead-Mikhail-Bulgakov-at-the-Moscow-Art-Theatre-by-A-M-Smelianskii.pdf
    • http://loaminoo.linkpc.net/7099092096093091/Mikhail-Bulgakov-Mikhail-Bulgakov-Bibliography-Bulgakov-Museum-in-Moscow-Mikhail-Bulgakov-Museum-by-Books-LLC.pdf
    • http://loaminoo.linkpc.net/7099092097095099/Moli-re-or-The-Cabal-of-Hypocrites-and-Don-Quixote-Two-Plays-by-Mikhail-Bulgakov-by-Mikhail-Bulgakov.pdf
    • http://loaminoo.linkpc.net/7099092095092094/Beg-Flight-by-Mikhail-Bulgakov.pdf
    • http://loaminoo.linkpc.net/3090095095093094/The-Heart-of-a-Dog-by-Mikhail-Bulgakov.pdf
    • http://loaminoo.linkpc.net/4093090091092094/The-Master-and-Margarita-by-Mikhail-Bulgakov.pdf
    • http://loaminoo.linkpc.net/3094093099090092/The-Fatal-Eggs-by-Mikhail-Bulgakov.pdf
    • http://loaminoo.linkpc.net/3093095092092096/The-Master-and-Margarita-by-Mikhail-Bulgakov.pdf
    • http://loaminoo.linkpc.net/3097091097094092/The-Fatal-Eggs-by-Mikhail-Bulgakov.pdf
    • http://loaminoo.linkpc.net/8095099098097097/The-Master-and-Margarita-by-Mikhail-Bulgakov.pdf
    • http://loaminoo.linkpc.net/3091096096094092/--by-Mikhail-Bulgakov.pdf
    • http://loaminoo.linkpc.net/2099099092096091/The-Master-and-Margarita-by-Mikhail-Bulgakov.pdf
    • http://loaminoo.linkpc.net/2095093097095092/The-Fatal-Eggs-by-Mikhail-Bulgakov.pdf
    • http://loaminoo.linkpc.net/6090091092098096/The-Master-and-Margarita-by-Mikhail-Bulgakov.pdf
    • http://loaminoo.linkpc.net/1093098094091098/A-Young-Doctor-s-Notebook-by-Mikhail-Bulgakov.pdf
    • http://loaminoo.linkpc.net/7099092094099096/Notes-on-the-Cuff-and-Other-Stories-by-Mikhail-Bulgakov.pdf
    • http://loaminoo.linkpc.net/7099092096092097/Mikhail-Bulgakov-Life-and-Interpretations-by-A-C-Wright.pdf
    • http://loaminoo.linkpc.net/9097091099095093/S-ddeutsche-Zeitung-eBibliothek-Die-Kriegsromane-Die-wei-e-Garde-Die-Stalinorgel-Sara-und-Serafina-1948-Roman-Die-Abenteuer-des-braven-Soldaten-Schwejk-by-Mikhail-Bulgakov.pdf
    • http://loaminoo.linkpc.net/7099092095097099/Bulgakov-Moliere-by-Charles-Duncombe.pdf
    • http://loaminoo.linkpc.net/7099092095093099/The-Bride-of-the-Lamb-by-Sergius-Bulgakov.pdf
    • http://loaminoo.linkpc.net/3093095092092096/The-Master-and-Margarita-by-Mikhail-Bulgakov

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