Malicious PDF — malware analysis report

Static analysis result for SHA-256 74524bd2243acceb…

MALICIOUS

PDF

14.6 KB Created: 2019-05-02 17:34:27 +01:00 Authoring application: mPDF 5.7
MD5: 112e6acc18635c21db7c4516701f1303 SHA-1: 3f8bceee1f3cddc877426eb19ac507f84d07a537 SHA-256: 74524bd2243acceb2a2658f1266e0f911bbaa725102b2f3b5f1bfe21ac62d565
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, identified as a link farm, which is a common tactic for distributing malware or directing users to malicious websites. The ML classifier also flagged this PDF as malicious. While no scripts were directly extracted, the embedded links are the primary indicators of malicious intent, likely leading to a phishing or malware distribution site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9891

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/4096097098090097/Dragon-Her-Feet-Honey-and-Fur-2-Council-of-Black-Dragons-1-by-Celia-Kyle.pdf
    • http://loaminoo.linkpc.net/3091097092096091/Hedging-His-Bets-Honey-and-Fur-1-by-Celia-Kyle.pdf
    • http://loaminoo.linkpc.net/6095095090099095/Rendan-Dragons-of-Preor-4-by-Celia-Kyle.pdf
    • http://loaminoo.linkpc.net/2095094092096093/Taulan-Dragons-of-Preor-2-by-Celia-Kyle.pdf
    • http://loaminoo.linkpc.net/6095095091090092/A-Baby-for-Chashan-Dragons-of-Preor-9-by-Celia-Kyle.pdf
    • http://loaminoo.linkpc.net/1097092095093092/The-Rain-Wilds-Chronicles-Dragon-Keeper-Dragon-Haven-City-of-Dragons-and-Blood-of-Dragons-by-Robin-Hobb.pdf
    • http://loaminoo.linkpc.net/1092093094091096/Like-a-Fox-Ridgeville-8-by-Celia-Kyle.pdf
    • http://loaminoo.linkpc.net/4092094092091093/Seduced-by-Fur-by-Celia-Kyle.pdf
    • http://loaminoo.linkpc.net/3099096096096097/He-Ain-t-Lion-Ridgeville-1-by-Celia-Kyle.pdf
    • http://loaminoo.linkpc.net/1092093093093090/Fierce-in-Fur-Ridgeville-5-by-Celia-Kyle.pdf
    • http://loaminoo.linkpc.net/4092093097094092/Fierce-in-Fur-Ridgeville-5-by-Celia-Kyle.pdf
    • http://loaminoo.linkpc.net/1092093094099095/Piece-of-Tail-by-Celia-Kyle.pdf
    • http://loaminoo.linkpc.net/3099095093091091/Fierce-in-Fur-Ridgeville-5-by-Celia-Kyle.pdf
    • http://loaminoo.linkpc.net/1092093093092097/Big-Furry-Deal-Ridgeville-9-by-Celia-Kyle.pdf
    • http://loaminoo.linkpc.net/4092093097093095/Scarlet-Alpha-Marked-1-by-Celia-Kyle.pdf
    • http://loaminoo.linkpc.net/6095095090094092/All-Roar-and-No-Bite-Grayslake-2-by-Celia-Kyle.pdf
    • http://loaminoo.linkpc.net/1092093093092093/No-Ifs-Ands-or-Bears-About-It-Grayslake-1-by-Celia-Kyle.pdf
    • http://loaminoo.linkpc.net/5097096097091/Tailing-Her-Quick-amp-Furry-2-by-Celia-Kyle.pdf
    • http://loaminoo.linkpc.net/1092093093091098/Gabriella-Alpha-Marked-2-by-Celia-Kyle.pdf
    • http://loaminoo.linkpc.net/1092093093091091/Ball-Of-Furry-Ridgeville-3-by-Celia-Kyle.pdf

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