Malicious PDF — malware analysis report

Static analysis result for SHA-256 d207ff6f5f0170cc…

MALICIOUS

PDF

13.3 KB Created: 2019-05-03 02:53:11 +01:00 Authoring application: mPDF 5.7
MD5: 6086cbfd3d6c8160a72b24fcacb77367 SHA-1: 0bb075dd0d337b705ca7bdd705d09045e8a834b6 SHA-256: d207ff6f5f0170ccbe87eec6dedfc392e66a587c566268204f0675a267ff7184
60 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF documents, a technique often used for SEO manipulation or to distribute malicious content. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass external PDF link farm, with the dominant host being 'loaminoo.linkpc.net'. While the document body contains many URLs, they are all marked as confirmed benign, suggesting the primary malicious intent is not direct user interaction with these specific links but rather the overall structure and potential for abuse of the link farm. No scripts were extracted from this sample.

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/3093092091093097/Number-8-by-Anna-Fienberg.pdf
    • http://loaminoo.linkpc.net/2095096094091094/Borrowed-Light-by-Anna-Fienberg.pdf
    • http://loaminoo.linkpc.net/1091093097095091096/The-Great-Big-Enormous-Book-of-Tashi-Tashi-1-16-by-Anna-Fienberg.pdf
    • http://loaminoo.linkpc.net/1091093097095090096/Tashi-and-the-Ghosts-Tashi-3-by-Anna-Fienberg.pdf
    • http://loaminoo.linkpc.net/1091093097095090099/Tashi-and-the-Big-Stinker-Tashi-7-by-Anna-Fienberg.pdf
    • http://loaminoo.linkpc.net/4090094090091099/Ned-s-Circus-of-Marvels-Ned-s-Circus-of-Marvels-1-by-Justin-Fisher.pdf
    • http://loaminoo.linkpc.net/2094091097099093/The-Marvels-Project-by-Ed-Brubaker.pdf
    • http://loaminoo.linkpc.net/2093099095097/Marvels-by-Kurt-Busiek.pdf
    • http://loaminoo.linkpc.net/4097094091097098/Marvels-by-Kurt-Busiek.pdf
    • http://loaminoo.linkpc.net/4098096090096097/Church-of-Marvels-by-Leslie-Parry.pdf
    • http://loaminoo.linkpc.net/3096090096094090/Land-of-Marvels-by-Barry-Unsworth.pdf
    • http://loaminoo.linkpc.net/3093092092092090/Modern-Marvels---Viktoriana-by-Wayne-Reinagel.pdf
    • http://loaminoo.linkpc.net/2090097093092092/The-Marvels-Project-Birth-of-the-Super-Heroes-by-Ed-Brubaker.pdf
    • http://loaminoo.linkpc.net/1098095090091094/The-Nose-Book-by-Al-Perkins.pdf
    • http://loaminoo.linkpc.net/3097090098097096/The-Nose-by-Nikolai-Gogol.pdf
    • http://loaminoo.linkpc.net/6095092090090091/Cyrano-and-the-Nose-by-Scholastic-Inc-.pdf
    • http://loaminoo.linkpc.net/4099095093090093/A-Nose-For-Trouble-by-Jim-Kjelgaard.pdf
    • http://loaminoo.linkpc.net/4093099096093095/The-Nose-by-Nikolai-Gogol.pdf
    • http://loaminoo.linkpc.net/2099099091090099/Nose-Is-Not-Toes-by-Glenn-Doman.pdf
    • http://loaminoo.linkpc.net/2091090098094096/Nose-Down-Eyes-Up-by-Merrill-Markoe.pdf

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