Malicious PDF — malware analysis report

Static analysis result for SHA-256 53ea00a59d07f954…

MALICIOUS

PDF

17.6 KB Created: 2019-04-30 02:39:07 +01:00 Authoring application: mPDF 5.7
MD5: 1250cb9863d75884547bc44c3116c69b SHA-1: 4b1089e22cb766c4cb06d41c243136563daf6041 SHA-256: 53ea00a59d07f954916bab2c02ddcd04f00cffc0b251328ae9b8a1e74a1f126a
150 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, identified as a link farm. The primary heuristic, PDF_SEO_LINK_FARM, indicates that the PDF is designed to direct users to external resources, in this case, comic book PDFs hosted on the domain 'loaminoo.linkpc.net'. The ML classifier and ClamAV detection further confirm the malicious nature of the file, classifying it as a dropper. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

Heuristics 3

  • 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.
  • ClamAV: Pdf.Dropper.Agent-7102520-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7102520-0
  • 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/1091091094094096099/Uncanny-X-Men-1963-2011-453-by-Chris-Claremont.pdf
    • http://loaminoo.linkpc.net/9097092097091098/Uncanny-X-Men-1963-2011-456-by-Chris-Claremont.pdf
    • http://loaminoo.linkpc.net/1090096092096091098/Uncanny-X-Men-1963-2011-454-by-Chris-Claremont.pdf
    • http://loaminoo.linkpc.net/1091095096096099091/Uncanny-X-Men-1963-2011-459-by-Chris-Claremont.pdf
    • http://loaminoo.linkpc.net/1090095092095092097/Uncanny-X-Men-265-by-Chris-Claremont.pdf
    • http://loaminoo.linkpc.net/3090096093092096/Uncanny-X-Men-2011-2012-6-by-Kieron-Gillen.pdf
    • http://loaminoo.linkpc.net/3093096095099094/Wolverine-by-Chris-Claremont.pdf
    • http://loaminoo.linkpc.net/5097093097098/Wolverine-by-Chris-Claremont.pdf
    • http://loaminoo.linkpc.net/4094091092093091/X-Men-Inferno-by-Chris-Claremont.pdf
    • http://loaminoo.linkpc.net/3095099099099095/X-Men-Mutant-Massacre-by-Chris-Claremont.pdf
    • http://loaminoo.linkpc.net/4096093090097093/Marada-the-She-Wolf-by-Chris-Claremont.pdf
    • http://loaminoo.linkpc.net/1099093094096092/New-Exiles---Volume-3-The-Enemy-Within-by-Chris-Claremont.pdf
    • http://loaminoo.linkpc.net/5093096095094095/Grounded-Nicole-Shea-2-by-Chris-Claremont.pdf
    • http://loaminoo.linkpc.net/4097091091095097/Nightcrawler-Volume-1-Homecoming-by-Chris-Claremont.pdf
    • http://loaminoo.linkpc.net/2093091099096099/Essential-Power-Man-and-Iron-Fist-Vol-2-by-Chris-Claremont.pdf
    • http://loaminoo.linkpc.net/1090097091093091090/Esel-2011-Donkeys-2011-nes-2011-by-Hans-Reinhard.pdf
    • http://loaminoo.linkpc.net/4090098090095098/Advanced-Communication-And-Networking-International-Conference-Acn-2011-Brno-Czech-Republic-August-15-17-2011-Proceedings-by-Tai-Hoon-Kim.pdf
    • http://loaminoo.linkpc.net/1090099091098092090/Database-Systems-for-Advanced-Applications-16th-International-Conference-DASFAA-2011-International-Workshops-GDB-SIM3-FlashDB-SNSMW-DaMEN-DQIS-Hong-Kong-China-April-22-25-2011-Proceedings-by-Jianliang-Xu.pdf
    • http://loaminoo.linkpc.net/2099096099090092/Lady-in-Red-Mad-Passions-2-by-Maire-Claremont.pdf
    • http://loaminoo.linkpc.net/4094092092092094/The-Dark-Affair-Mad-Passions-3-by-Maire-Claremont.pdf
    • http://loaminoo.linkpc.net/5093096095094095/Grounded-Nicole-Shea-2-by

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