Malicious PDF — malware analysis report

Static analysis result for SHA-256 e4ab8dde436db856…

MALICIOUS

PDF

14.3 KB Created: 2019-04-30 07:55:11 +01:00 Authoring application: mPDF 5.7
MD5: c9bfce4797d1faf8a98eb18ea9d15c86 SHA-1: e34803a5fb9aecf0c747b4fe70887cd3d94586d2 SHA-256: e4ab8dde436db85631c4f03a6832fead2d7e1b1f633ce4fbe73423ec7caec9f3
90 Risk Score

Malware Insights

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

This PDF document contains a large number of embedded URLs, identified as a link farm. The primary purpose appears to be directing users to external sites, potentially for SEO spam or to host further 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 0.9798

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/4091099097099099/Cold-Hard-Ride-Hard-Land-to-Rule-Trilogy-2-by-Anthony-Whitt.pdf
    • http://loaminoo.linkpc.net/4092090095098093/Into-The-Hard-Hills-Hard-Land-To-Rule-Trilogy-3-by-Anthony-Whitt.pdf
    • http://loaminoo.linkpc.net/1095090097097095/Hard-Land-to-Rule-by-Anthony-Whitt.pdf
    • http://loaminoo.linkpc.net/4095096091097094/Ride-Hard-Ride-Fast-Seven-Devils-MC-1-by-Candice-Owen.pdf
    • http://loaminoo.linkpc.net/4095096093091092/Hard-Ride-Ready-to-Ride-4-by-Opal-Carew.pdf
    • http://loaminoo.linkpc.net/4096091095091092/Ride-Em-Hard-Cowboy-Ride-Em-3-by-J-P-Bowie.pdf
    • http://loaminoo.linkpc.net/1090097099097093/Hard-Cash-Hard-Cash-Trilogy-1-by-Kate-Cann.pdf
    • http://loaminoo.linkpc.net/4096091094099096/Hard-Ride-Home-by-KyAnn-Waters.pdf
    • http://loaminoo.linkpc.net/1090093094098098/A-Hard-Ride-Home-by-Emory-Vargas.pdf
    • http://loaminoo.linkpc.net/1099097093095095/Ride-Hard-Raven-Riders-1-by-Laura-Kaye.pdf
    • http://loaminoo.linkpc.net/6096097096094095/Ride-Me-Hard-Devil-s-Host-MC-1-by-Shari-Slade.pdf
    • http://loaminoo.linkpc.net/9096098096099097/Hard-Style-Abs-Hit-Hard-Lift-Heavy-Look-the-Part-by-Pavel-Tsatsouline.pdf
    • http://loaminoo.linkpc.net/9094097090092097/Felon-Fitness-How-to-Get-a-Hard-Body-Without-Doing-Hard-Time-by-William-S-Kroger.pdf
    • http://loaminoo.linkpc.net/3090091090098098/Long-Hard-Ride-Rough-Riders-1-by-Lorelei-James.pdf
    • http://loaminoo.linkpc.net/3094094096092096/Long-Hard-Ride-Rough-Riders-1-by-Lorelei-James.pdf
    • http://loaminoo.linkpc.net/2092090093098094/Hard-Ride-to-Hell-The-Family-Jensen-4-by-William-W-Johnstone.pdf
    • http://loaminoo.linkpc.net/1095090092093098/Bright-and-Yellow-Hard-and-Cold-by-Tim-Chapman.pdf
    • http://loaminoo.linkpc.net/1094095099099093/Hard-to-Stop-Hard-Targets-3-by-Wendy-Byrne.pdf
    • http://loaminoo.linkpc.net/9096098098096090/Beyond-Crunches-Hard-Science-Hard-ABS-by-Pavel-Tsatsouline.pdf
    • http://loaminoo.linkpc.net/3093098096095090/Rebel-Hard-Hard-Play-2-by-Nalini-Singh.pdf

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