Malicious PDF — malware analysis report

Static analysis result for SHA-256 e5172a3959fea131…

MALICIOUS

PDF

15.6 KB Created: 2019-05-02 18:56:55 +01:00 Authoring application: mPDF 5.7
MD5: 68fcbcb63a63f4420d14e7bb786bc336 SHA-1: 5f23023e80c43f8967402de0fbb8d94a84cd80b9 SHA-256: e5172a3959fea1310716e58db677c99cdf5b95c211b6cafb21a685532554e2e5
60 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs pointing to PDF files hosted on a dynamic DNS domain, indicative of an SEO poisoning or link farm attack. While the URLs themselves are marked as benign, the sheer volume and the nature of the hosting domain suggest a malicious intent to redirect users. No scripts were extracted, and the document body was not readable, limiting further analysis of the specific lure.

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://xiixmcuin.linkpc.net/1200202203202202202/The-Maltese-Falcon-And-Other-Sam-Spade-Stories-The-Ultimate-Dashiell-Hammett-by-Dashiell-Hammett.pdf
    • http://xiixmcuin.linkpc.net/8208206203200200/The-Assistant-Murderer-and-Other-Stories-by-Dashiell-Hammett-by-Dashiell-Hammett.pdf
    • http://xiixmcuin.linkpc.net/8208206203200203/Hammett-s-Moral-Vision-The-Most-Influential-In-Depth-Analysis-of-Dashiell-Hammett-s-Novels-Red-Harvest-The-Dain-Curse-The-Maltese-Falcon-The-Glass-Key-and-The-Thin-Man-by-George-J-Thompson.pdf
    • http://xiixmcuin.linkpc.net/8208205209208207/Hammett-Homicides-by-Dashiell-Hammett.pdf
    • http://xiixmcuin.linkpc.net/4201200201200207/The-Glass-Key-by-Dashiell-Hammett.pdf
    • http://xiixmcuin.linkpc.net/4200202205206209/The-Thin-Man-by-Dashiell-Hammett.pdf
    • http://xiixmcuin.linkpc.net/7209201207209/The-Continental-Op-by-Dashiell-Hammett.pdf
    • http://xiixmcuin.linkpc.net/4206207207208/The-Glass-Key-by-Dashiell-Hammett.pdf
    • http://xiixmcuin.linkpc.net/2204200205203208/The-Glass-Key-by-Dashiell-Hammett.pdf
    • http://xiixmcuin.linkpc.net/8208206201205202/The-Red-Brain-by-Dashiell-Hammett.pdf
    • http://xiixmcuin.linkpc.net/1206206208203209/Woman-in-the-Dark-by-Dashiell-Hammett.pdf
    • http://xiixmcuin.linkpc.net/8208206200204200/The-Tenth-Clew-by-Dashiell-Hammett.pdf
    • http://xiixmcuin.linkpc.net/1200202208205200206/El-halc-n-malt-s-by-Dashiell-Hammett.pdf
    • http://xiixmcuin.linkpc.net/1208206203204209/Secret-Agent-X-9-by-Dashiell-Hammett.pdf
    • http://xiixmcuin.linkpc.net/8208205209202200/Return-of-the-Thin-Man-by-Dashiell-Hammett.pdf
    • http://xiixmcuin.linkpc.net/8208206200203209/The-Return-of-the-Continental-Op-by-Dashiell-Hammett.pdf
    • http://xiixmcuin.linkpc.net/6208201204205207/Zigzags-of-Treachery-by-Dashiell-Hammett.pdf
    • http://xiixmcuin.linkpc.net/8203208202202209/Jungle-urbaine-by-Dashiell-Hammett.pdf
    • http://xiixmcuin.linkpc.net/8208206202209209/The-Giant-Collection-of-the-Continental-Op-by-Dashiell-Hammett.pdf
    • http://xiixmcuin.linkpc.net/8208205209202201/Dashiell-Hammett-A-Life-by-Diane-Johnson.pdf
    • http://xiixmcuin.linkpc.net/42002022052

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