Malicious PDF — malware analysis report

Static analysis result for SHA-256 f1c10903c169e527…

MALICIOUS

PDF

26.9 KB Created: 2019-05-01 17:58:48 +01:00 Authoring application: mPDF 5.7
MD5: 197b033b905162228746f7b5f8c725b7 SHA-1: 6f6939dcdd7f02948b76b0195e4c72a6c24d19b4 SHA-256: f1c10903c169e5270e6c2bff2237edb1d30e165066ee211c4925288a8e2bbd1f
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, many of which are structured as book titles, suggesting a link farm or SEO poisoning attempt. The ML classifier also flagged this PDF as malicious with high confidence. While the URLs themselves are currently marked as benign, the sheer volume and structure indicate a malicious intent, likely to redirect users to harmful content or to manipulate search engine results.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9908

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/9094097095098098/Employee-Engagement-for-Everyone-4-Keys-to-Happiness-and-Fulfillment-at-Work-by-Kevin-E-Kruse.pdf
    • http://loaminoo.linkpc.net/1091090090098096092/Handbook-for-Strategic-HR---Section-5-Employee-Engagement-by-John-Vogelsang.pdf
    • http://loaminoo.linkpc.net/4092099093092097/The-Ultimate-Happiness-Prescription-7-Keys-to-Joy-and-Enlightenment-by-Deepak-Chopra.pdf
    • http://loaminoo.linkpc.net/1098093093091/You-re-Every-Sign-Using-Astrology-s-Keys-to-Create-Success-Love-and-Happiness-by-Phyllis-Firak-Mitz.pdf
    • http://loaminoo.linkpc.net/1091094090090094094/Building-Bridges-to-the-Heart-of-Your-People-Strengths-and-Talents-Keys-to-Engagement-and-Participation-The-Bridges-Leadership-Series-Book-3-by-Leisa-Anslinger.pdf
    • http://loaminoo.linkpc.net/9094097094091094/Text-Me-Snap-Me-Ask-Me-Anything-How-Entrepreneurs-Consultants-And-Artists-Can-Use-The-Power-Of-Intimate-Attention-To-Build-Their-Brand-Grow-Their-Business-And-Change-The-World-by-Kevin-Kruse.pdf
    • http://loaminoo.linkpc.net/1090094098097099094/Die-Klosterruine-in-Norwegen-Nach-Einer-Norwegischen-Criminellen-Begebenheit-Das-Judasbild-Zwei-Erzahlungen-Von-L-Kruse-by-Laurids-Kruse.pdf
    • http://loaminoo.linkpc.net/1090094098098094092/Nord-Und-Sud-In-Zwei-Novellen-Von-L-Kruse-by-Laurids-Kruse.pdf
    • http://loaminoo.linkpc.net/9099095098098095/Are-You-Fully-Charged-The-3-Keys-to-Energizing-Your-Work-and-Life-by-Tom-Rath.pdf
    • http://loaminoo.linkpc.net/8095099093096090/British-Mosses-and-Liverworts-An-Introductory-Work-with-Full-Descriptions-and-Figures-of-Over-200-Species-and-Keys-for-the-Identification-of-All-E-by-E-V-Watson.pdf
    • http://loaminoo.linkpc.net/1097097097095090/The-Joy-of-Work-Dilbert-s-Guide-to-Finding-Happiness-at-the-Expense-of-Your-Co-Workers-by-Scott-Adams.pdf
    • http://loaminoo.linkpc.net/1091098098096091096/Band-Tumbler-Work-Log-Work-Journal-Work-Diary-Log---131-Pages-8-5-X-11-Inches-by-Key-Work-Logs.pdf
    • http://loaminoo.linkpc.net/2099097093093094/At-Millennium-s-End-New-Essays-on-the-Work-of-Kurt-Vonnegut-by-Kevin-Alexander-Boone.pdf
    • http://loaminoo.linkpc.net/3096094093090097/Keys-City-of-Keys-Book-1-by-Amber-Kell.pdf
    • http://loaminoo.linkpc.net/1090090093093094/Happiness-What-Studies-on-Twins-Show-Us-about-Nature-Nurture-and-the-Happiness-Set-Point-by-David-T-Lykken.pdf
    • http://loaminoo.linkpc.net/1095096095090091/The-Keys-to-Paradise-Keys-to-Paradise-1-3-by-Robert-E-Vardeman.pdf
    • http://loaminoo.linkpc.net/2099093092092092/Happiness-365-One-a-Day-Inspirational-Quotes-for-a-Happy-YOU-The-Happiness-365-Inspirational-Series-1-by-Deena-B-Chopra.pdf
    • http://loaminoo.linkpc.net/1091093095092095/The-Prophecy-The-Fulfillment-Series-1-by-Erin-Rhew.pdf
    • http://loaminoo.linkpc.net/9099099091096097/Psycho-Cybernetics-and-Self-Fulfillment-by-Maxwell-Maltz.pdf
    • http://loaminoo.linkpc.net/4093094092097095/LIFE-Living-In-Fulfillment-Every-Day-by-Annemarie-Greenwood.pdf
    • http://loaminoo.linkpc.net/1091094090090094094/Building-Bridges-to-the-Heart-of-Your-People-Strengths-and-Talents-Keys-to-Enga

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