Malicious PDF — malware analysis report

Static analysis result for SHA-256 98f10c5a41a5e486…

MALICIOUS

PDF

15.7 KB Created: 2019-04-30 05:08:12 +01:00 Authoring application: mPDF 5.7
MD5: e75e7b9bee8f0b2513f02a6048e3c2f3 SHA-1: 1f170669974b24eaa47d0af463b9706a936b351e SHA-256: 98f10c5a41a5e486c0ddc159f785552d430d57422e78ec1b08d60bd3d6161924
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file was flagged by a machine learning classifier as malicious. Static analysis revealed a large number of embedded URLs, forming a link farm. These links likely serve as a lure to distribute further malicious content or to engage in SEO poisoning tactics. The primary attack pattern involves leveraging these numerous links to direct users to potentially harmful resources.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9880

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/1090091096093097095/Stadt-der-Vergessenen-Roman-by-Stephen-Blackmoore.pdf
    • http://loaminoo.linkpc.net/7099094090090/Broken-Souls-Eric-Carter-2-by-Stephen-Blackmoore.pdf
    • http://loaminoo.linkpc.net/6090098091094099/Julia-Donaldson-Collection-by-Julia-Donaldson.pdf
    • http://loaminoo.linkpc.net/5094094091092/Taken-by-the-Cowboy-by-Julianne-MacLean.pdf
    • http://loaminoo.linkpc.net/5091097091092094/Enough-Light-to-See-by-Julianne-Seeman.pdf
    • http://loaminoo.linkpc.net/7099099093096098/Frat-Boy-s-First-Lust-by-Julianne-Reyer.pdf
    • http://loaminoo.linkpc.net/1092092093091/Adam-s-Promise-by-Julianne-MacLean.pdf
    • http://loaminoo.linkpc.net/4095099097090099/A-Kiss-Before-the-Wedding-by-Julianne-MacLean.pdf
    • http://loaminoo.linkpc.net/2097096095098093/Julianne-Coastal-Chronicles-1-by-Rebekah-Lyn.pdf
    • http://loaminoo.linkpc.net/3090090096097094/The-Dead-of-Penderghast-Manor-by-Julianne-Snow.pdf
    • http://loaminoo.linkpc.net/3090090094092094/Days-with-the-Undead-Book-One-by-Julianne-Snow.pdf
    • http://loaminoo.linkpc.net/1092092095098/To-Marry-the-Duke-American-Heiresses-1-by-Julianne-MacLean.pdf
    • http://loaminoo.linkpc.net/4090090097099090/Portrait-of-a-Lover-American-Heiresses-5-by-Julianne-MacLean.pdf
    • http://loaminoo.linkpc.net/3091093099091/Just-Killing-Time-Clock-Shop-Mystery-1-by-Julianne-Holmes.pdf
    • http://loaminoo.linkpc.net/9096096095092092/Im-Liebesbann-der-sch-nen-Hexe-Historical-Gold-289-by-Julianne-MacLean.pdf
    • http://loaminoo.linkpc.net/4090096095099090/A-Question-of-Guilt-A-Novel-of-Mary-Queen-of-Scots-and-the-Death-of-Henry-Darnley-by-Julianne-Lee.pdf
    • http://loaminoo.linkpc.net/8094092098090096/Aldo-Leopold-s-Odyssey-Rediscovering-the-Author-of-A-Sand-County-Almanac-by-Julianne-Lutz-Newton.pdf
    • http://loaminoo.linkpc.net/4092098093098095/The-Best-of-Stephen-R-Donaldson-by-Stephen-R-Donaldson.pdf
    • http://loaminoo.linkpc.net/6090098091095091/Where-s-My-Mom-by-Julia-Donaldson.pdf
    • http://loaminoo.linkpc.net/5093098090093098/From-a-War-in-Patmos-by-Michael-Donaldson.pdf
    • http://loaminoo.linkpc.net/1092092095098/To-Marry-the-Duke-American-Heiresses-1-b

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