Malicious PDF — malware analysis report

Static analysis result for SHA-256 52f2945517d8829e…

MALICIOUS

PDF

15.1 KB Created: 2019-04-30 02:44:14 +01:00 Authoring application: mPDF 5.7
MD5: de08ac7526985e4cdc7d2cf86cf75c71 SHA-1: 785e6723e36bfcb9a2494649d5791d0eebd0389a SHA-256: 52f2945517d8829e8c2317dad91bf28024ba85e244595e558958a0889a15b3b5
90 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF documents, hosted on the dynamic DNS domain 'loaminoo.linkpc.net'. This behavior is indicative of a link farm or a redirection scheme designed to lead users to potentially malicious content. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted from this sample.

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/6090098096093099/Norfolk-Broads-The-Broads-Norfolk-Wherry-Breydon-Water-Halvergate-Marshes-River-Yare-River-Waveney-Aeshna-Isoceles-Martham-Broad-by-Source-Wikipedia.pdf
    • http://loaminoo.linkpc.net/3090097095097096/Bobby-Flay-s-Bold-American-Food-by-Bobby-Flay.pdf
    • http://loaminoo.linkpc.net/1091093091093092/Lempri-re-s-Dictionary-by-Lawrence-Norfolk.pdf
    • http://loaminoo.linkpc.net/1091098092099095099/The-Lullaby-of-Norfolk-by-Ellis-Major.pdf
    • http://loaminoo.linkpc.net/8096097096097099/Englische-Landschaften---Unterwegs-in-Suffolk-und-Norfolk-by-Peter-Sager.pdf
    • http://loaminoo.linkpc.net/2098098093093095/Seize-the-Time-The-Story-of-the-Black-Panther-Party-and-Huey-P-Newton-by-Bobby-Seale.pdf
    • http://loaminoo.linkpc.net/3090098093091090/Bobby-Flay-s-Grill-It-by-Bobby-Flay.pdf
    • http://loaminoo.linkpc.net/6090094091098/Two-is-for-You-by-Bobby-Williams.pdf
    • http://loaminoo.linkpc.net/3097092095096091/Bobby-Sky-Boy-Band-or-Die-by-Joe-Shine.pdf
    • http://loaminoo.linkpc.net/3098098092096098/Seated-Above-Looking-Below-by-Bobby-Brown.pdf
    • http://loaminoo.linkpc.net/8099091098098090/Fail-Until-You-Don-t-by-Bobby-Bones.pdf
    • http://loaminoo.linkpc.net/2097096094096092/Magic-G-H-O-S-T-Teams-1-by-Bobby-Brimmer.pdf
    • http://loaminoo.linkpc.net/2097098097090098/Bobby-on-a-stick-by-Vasileios-Kalampakas.pdf
    • http://loaminoo.linkpc.net/3091095093095095/Bobby-s-Girl-by-Bernie-Morris.pdf
    • http://loaminoo.linkpc.net/4099097096099098/Bobby-vs-Girls-Accidentally-by-Lisa-Yee.pdf
    • http://loaminoo.linkpc.net/1095097090097093/Tangled-Webs-by-Bobby-Rodgers.pdf
    • http://loaminoo.linkpc.net/2095096092091098/Searching-for-Bobby-Orr-by-Stephen-Brunt.pdf
    • http://loaminoo.linkpc.net/4091099092099098/Treating-Ty-Veteran-2-by-Bobby-Michaels.pdf
    • http://loaminoo.linkpc.net/2090091098092094/Bobby-Rex-s-Greatest-Hit-by-Marianne-Gingher.pdf
    • http://loaminoo.linkpc.net/5093094092096/The-Death-and-Life-of-Bobby-Z-by-Don-Winslow.pdf
    • http://loaminoo.linkpc.net/30

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