Malicious PDF — malware analysis report

Static analysis result for SHA-256 c65d1a39e5b93640…

MALICIOUS

PDF

23.2 KB Created: 2019-05-01 19:21:16 +01:00 Authoring application: mPDF 5.7
MD5: c2b9cfaa057457389986190e6215f1fe SHA-1: c237e6b8efaf56d3430979cb6c28ce05e38a0875 SHA-256: c65d1a39e5b93640e1632424dda4b3cced4a62cf8d0579936d060336ce17867e
90 Risk Score

Malware Insights

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

The PDF was flagged by a machine learning classifier as malicious and contains a large number of external links, many of which are dynamically generated and point to SEO-optimized content. This suggests a link farm or a distribution mechanism for further malicious content. The primary attack pattern involves embedding numerous URLs within the document body, likely to manipulate search engine results or redirect users to potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9903

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/6096094095095/Yoga-For-Beginners-Best-Yoga-Poses-For-Weight-Loss-And-Other-Benefits-by-Laura-Serio.pdf
    • http://loaminoo.linkpc.net/3097096091091094/Yoga-For-Beginners---A-Beginners-Guide-to-Yoga-Lifestyle-Therapy-amp-Weight-Loss-by-Anisha-Lee.pdf
    • http://loaminoo.linkpc.net/9096094090094096/Yoga-Today-Your-Best-Resource-for-an-Introduction-to-Yoga-Everything-You-Need-to-Know-Before-Starting-a-Yoga-Practice-Yoga-Mindfulness-How-to-Yoga-Personal-Growth-Spirituality-Book-1-by-Joschi-Schwarz.pdf
    • http://loaminoo.linkpc.net/1091099095095095090/Essential-Yoga-An-Illustrated-Guide-to-over-100-Yoga-Poses-and-Meditation-by-Olivia-H-Miller.pdf
    • http://loaminoo.linkpc.net/1098093093093097/Carb-Cycling-Optimal-Guide-For-Weight-Loss-by-Laura-Serio.pdf
    • http://loaminoo.linkpc.net/2096099093097099/You-Are-a-Lion-And-Other-Fun-Yoga-Poses-by-Taeeun-Yoo.pdf
    • http://loaminoo.linkpc.net/2091097097091093/Poser-My-Life-in-Twenty-three-Yoga-Poses-by-Claire-Dederer.pdf
    • http://loaminoo.linkpc.net/4092093095090097/Poser-My-Life-in-Twenty-three-Yoga-Poses-by-Claire-Dederer.pdf
    • http://loaminoo.linkpc.net/6099099099098098/WEIGHT-LOSS-APPETITE-Reduction-amp-CRAVING-Control---20-Powerful-Methods-for-A-Slim-amp-Slender-Body-Fast-Weight-Loss-Fat-Loss-Weight-Loss-Books-by-Doug-Fredricks.pdf
    • http://loaminoo.linkpc.net/4096094091098096/Pick-Your-Yoga-Practice-Exploring-and-Understanding-Different-Styles-of-Yoga-by-Meagan-McCrary.pdf
    • http://loaminoo.linkpc.net/2095094098098095/The-Path-of-the-Yoga-Sutras-A-Practical-Guide-to-the-Core-of-Yoga-by-Nicolai-Bachman.pdf
    • http://loaminoo.linkpc.net/1091099095095094094/The-Essential-Yoga-Sutra-Ancient-Wisdom-for-Your-Yoga-by-Michael-Roach.pdf
    • http://loaminoo.linkpc.net/9097090090093/Seven-Yoga-Habbits-That-Can-Transform-Your-Life-Seven-Yoga-Sins-to-Avoid-by-Sri-Joydip.pdf
    • http://loaminoo.linkpc.net/4091090098099090/Yoga-for-the-Soul-The-Wisdom-of-Yoga-for-Everyday-Life-by-Neal-Arbic.pdf
    • http://loaminoo.linkpc.net/1091099095094092098/Yoga-for-Depression-A-Compassionate-Guide-to-Relieve-Suffering-Through-Yoga-by-Amy-Weintraub.pdf
    • http://loaminoo.linkpc.net/9097090090091/Seven-Yoga-Habbits-That-Can-Transform-Your-Life-Seven-Yoga-Sins-to-Avoid-by-Sri-Joydip.pdf
    • http://loaminoo.linkpc.net/1091099095095091091/The-No-More-Excuses-Guide-to-Yoga-Because-yoga-is-for-Every-body-by-Kara-Leah-Grant.pdf
    • http://loaminoo.linkpc.net/7095090090098097/Mes-50-Positions-de-Yoga-pr-f-r-es-Ma-petite-guide-pour-apprendre-les-secrets-du-yoga-by-Joe-Shanti.pdf
    • http://loaminoo.linkpc.net/5097096091090093/Damit-Yoga-wirkt-Sich-selbst-und-andere-mit-den-Yoga-Sutras-heilen-by-Michael-Roach.pdf
    • http://loaminoo.linkpc.net/4095094095095099/Forty-Days-of-Yoga---Breaking-down-the-barriers-to-a-home-yoga-practice-by-Kara-Leah-Grant.pdf
    • http://loaminoo.linkpc.net/1091099095095095090/Essential-Yoga-An-Illustrated-Guide-to-ove

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