Malicious PDF — malware analysis report

Static analysis result for SHA-256 ca23fe07da721785…

MALICIOUS

PDF

13.0 KB Created: 2019-05-03 06:01:28 +01:00 Authoring application: mPDF 5.7
MD5: 911cddf90fc005e8a6219cb888c0cbdf SHA-1: b60acd371e3e13183a47b61473307b07fcb49052 SHA-256: ca23fe07da721785e5d69605864f5590aa157cd0464cda1c444d81e0eb0aee3d
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic. These links all point to the same domain, loaminoo.linkpc.net, and appear to be designed to trick users into clicking them. No scripts were extracted from this sample. The primary attack pattern involves social engineering through link manipulation.

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/9095096094090091/The-Only-Son-by-David-Helwig.pdf
    • http://loaminoo.linkpc.net/9095096096098093/93-Best-Canadian-Stories-by-David-Helwig.pdf
    • http://loaminoo.linkpc.net/9095096093096097/Smuggling-Donkeys-by-David-Helwig.pdf
    • http://loaminoo.linkpc.net/9095096095095091/A-Postcard-from-Rome-by-David-Helwig.pdf
    • http://loaminoo.linkpc.net/9095096095098098/The-King-s-Evil-by-David-Helwig.pdf
    • http://loaminoo.linkpc.net/9095096095096094/90-Best-Canadian-Stories-by-David-Helwig.pdf
    • http://loaminoo.linkpc.net/9095096095095096/A-Sound-Like-Laughter-A-Novel-by-David-Helwig.pdf
    • http://loaminoo.linkpc.net/9095096096097094/91-Best-Canadian-Stories-by-David-Helwig.pdf
    • http://loaminoo.linkpc.net/9095096094091092/The-Names-of-Things-by-David-Helwig.pdf
    • http://loaminoo.linkpc.net/9095096094091090/Frederike-Helwig-Kriegskinder-Portraits-of-a-Forgotten-Generation-by-Frederike-Helwig.pdf
    • http://loaminoo.linkpc.net/2095093099094/Beloved-Stranger-Beloved-Trilogy-2-by-Patricia-Potter.pdf
    • http://loaminoo.linkpc.net/3097090098095090/The-Well-Beloved-with-The-Pursuit-of-the-Well-Beloved-by-Thomas-Hardy.pdf
    • http://loaminoo.linkpc.net/9095096095095098/Wonder-Of-Wire-by-Marjorie-Helwig.pdf
    • http://loaminoo.linkpc.net/9095096094090097/Eating-Glass-by-Maggie-Helwig.pdf
    • http://loaminoo.linkpc.net/4090095094095091/Girls-Fall-Down-by-Maggie-Helwig.pdf
    • http://loaminoo.linkpc.net/9095096093095098/On-Helwig-Street-by-Richard-Russo.pdf
    • http://loaminoo.linkpc.net/9095096094091093/Raubfischer-in-Hellas-by-Werner-Helwig.pdf
    • http://loaminoo.linkpc.net/9095096093099097/42-Indian-Mandalas-Coloring-Book-by-Monika-Helwig.pdf
    • http://loaminoo.linkpc.net/8095091091096/RauschGiftEngel-13-Krimis-aus-Franken-zur-Weihnachtszeit-by-Helwig-Arenz.pdf
    • http://loaminoo.linkpc.net/9095096096098095/Topology-based-Methods-in-Visualization-by-Helwig-Hauser.pdf
    • http://loaminoo.linkpc.net/2095093099094/Beloved-Stranger-Beloved-Trilogy-2-by-Patricia-Potter

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