Malicious PDF — malware analysis report

Static analysis result for SHA-256 63b9eb04f7f9dcef…

MALICIOUS

PDF

18.3 KB Created: 2019-05-04 12:42:56 +01:00 Authoring application: mPDF 5.7
MD5: 2fa4ada9ebb34c2551ba7ac2e2254caa SHA-1: 5188dd9f6e90d480af7611129df5fd247548b70d SHA-256: 63b9eb04f7f9dcef4cd178eb61d9ec3e2486e676490af82fe923fd8f784399f4
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to a dynamic DNS domain, indicative of a link farm or SEO poisoning attempt. While the document body is heavily obfuscated, the heuristic firings strongly suggest malicious intent. The embedded URLs are likely intended to redirect users to malicious content or further stages of an attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9912

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/3091093096092098/The-Mammoth-Book-of-Sorcerers-Tales-The-Ultimate-Collection-of-Magical-Fantasy-from-Tom-Holt-Ursula-K-LeGuin-Michael-Moorcock-Peter-Crowther-Louise-Cooper-and-many-more-by-Mike-Ashley.pdf
    • http://loaminoo.linkpc.net/4094094094098092/The-Mammoth-Book-of-Fantasy-by-Mike-Ashley.pdf
    • http://loaminoo.linkpc.net/1090096092097090097/The-Mammoth-Book-of-New-Comic-Fantasy-by-Mike-Ashley.pdf
    • http://loaminoo.linkpc.net/1090096092096094097/The-Mammoth-Book-of-Comic-Fantasy-II-by-Mike-Ashley.pdf
    • http://loaminoo.linkpc.net/2099090091090096/The-Mammoth-Book-of-Fairy-Tales-by-Mike-Ashley.pdf
    • http://loaminoo.linkpc.net/5097093093096098/The-Mammoth-Book-of-Merlin-by-Mike-Ashley.pdf
    • http://loaminoo.linkpc.net/4098098099095091/The-Mammoth-Book-of-Historical-Detectives-by-Mike-Ashley.pdf
    • http://loaminoo.linkpc.net/4091094094090092/The-Mammoth-Book-of-Egyptian-Whodunnits-by-Mike-Ashley.pdf
    • http://loaminoo.linkpc.net/3094092092093096/The-Mammoth-Book-of-Extreme-Science-Fiction-by-Mike-Ashley.pdf
    • http://loaminoo.linkpc.net/2096096099095093/The-Dragon-Book-Magical-Tales-from-the-Masters-of-Modern-Fantasy-by-Jack-Dann.pdf
    • http://loaminoo.linkpc.net/7095094097094096/Moorcock-s-Book-of-Martyrs-by-Michael-Moorcock.pdf
    • http://loaminoo.linkpc.net/4094099093091094/Blake-and-the-Maltese-Futanari-A-Woman-Turned-Futa-Fantasy-Futanari-Fantasy-Collection-Book-1-by-Beatrice-Evenmorne.pdf
    • http://loaminoo.linkpc.net/1099094095094090/The-Darker-Sex-Tales-of-the-Supernatural-and-Macabre-by-Victorian-Women-Writers-by-Mike-Ashley.pdf
    • http://loaminoo.linkpc.net/4092095096093094/The-Mammoth-Book-of-Modern-Ghost-Stories-by-Peter-Haining.pdf
    • http://loaminoo.linkpc.net/8099095092097/The-Mammoth-Book-of-Haunted-House-Stories-by-Peter-Haining.pdf
    • http://loaminoo.linkpc.net/8094090097092099/Truly-Madly-Pasta-The-Ultimate-Book-for-Pasta-Lovers-by-Ursula-Ferrigno.pdf
    • http://loaminoo.linkpc.net/1094090097099090/McSweeney-s-Mammoth-Treasury-of-Thrilling-Tales-McSweeney-s-10-by-Michael-Chabon.pdf
    • http://loaminoo.linkpc.net/7099091090098092/Exiles-Ultimate-Collection-Book-5-by-Tony-Bedard.pdf
    • http://loaminoo.linkpc.net/7099091090097090/Exiles-Ultimate-Collection-Book-4-by-Tony-Bedard.pdf
    • http://loaminoo.linkpc.net/7099091090096096/Exiles-Ultimate-Collection-Book-3-by-Tony-Bedard.pdf