Malicious PDF — malware analysis report

Static analysis result for SHA-256 35b5b0413cc9a0b1…

MALICIOUS

PDF

22.7 KB Created: 2019-04-30 05:37:05 +01:00 Authoring application: mPDF 5.7
MD5: f4f54ff1381f3d39a0f85a01c5a8c760 SHA-1: ed6f0262d3ebfd5459a4cb1416a7bebfcf3d16d2 SHA-256: 35b5b0413cc9a0b1a9f100c2d91afd4d069752208e0056cce5d92dcdd4defc7e
90 Risk Score

Malware Insights

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

The PDF was flagged for containing a large number of external links, indicative of an SEO link farm or a distribution point for malicious content. While the ML classifier strongly suggests maliciousness, no scripts were extracted, and the document body was heavily corrupted. The primary attack pattern observed is the embedding of numerous URLs, likely intended to direct users to external, potentially harmful, resources.

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/1098095094093093/The-Ship-and-the-Storm-Hurricane-Mitch-and-the-Loss-of-the-Fantome-by-Jim-Carrier.pdf
    • http://loaminoo.linkpc.net/3094094097094090/Isaac-s-Storm-A-Man-a-Time-and-the-Deadliest-Hurricane-in-History-by-Erik-Larson.pdf
    • http://loaminoo.linkpc.net/9098090090096092/Isaac-s-Storm-A-Man-a-Time-and-the-Deadliest-Hurricane-in-History-by-Erik-Larson.pdf
    • http://loaminoo.linkpc.net/3097094094092/Isaac-s-Storm-A-Man-a-Time-and-the-Deadliest-Hurricane-in-History-by-Erik-Larson.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/6097095090097095/Carrier-Glorious-The-Life-And-Death-Of-An-Aircraft-Carrier-by-John-Winton.pdf
    • http://loaminoo.linkpc.net/5093092095097090/Carrier-A-Guided-Tour-of-an-Aircraft-Carrier-by-Tom-Clancy.pdf
    • http://loaminoo.linkpc.net/9091096090094097/How-To-Grieve-The-Loss-of-Your-Mother-How-to-Grieve-the-loss-of-your-best-friend-cheerleader-coach-your-mother-Grief-and-Loss-in-your-Family-Book-1-by-Kristiana-McCraw.pdf
    • http://loaminoo.linkpc.net/7098097093097094/Mef-Cecp-Exam-Study-Guide-for-Carrier-Ethernet-Professionals-For-Carrier-Ethernet-Professionals-by-Jon-Kieffer.pdf
    • http://loaminoo.linkpc.net/8096099093094/The-Truth-About-Cruise-Ships-A-Cruise-Ship-Officer-Survives-the-Work-Adventure-Alcohol-and-Sex-of-Ship-Life-by-Jay-Herring.pdf
    • http://loaminoo.linkpc.net/3093091092096091/Loss-Love-Loss-Lust-Collection-Book-2-by-Caroline-Baker.pdf
    • http://loaminoo.linkpc.net/3094090099090096/Just-a-Little-Junk-by-Stylo-Fantome.pdf
    • http://loaminoo.linkpc.net/7099094096098093/Weight-Loss-The-7-Day-Meal-Plan-For-Rapid-Fat-Loss-Delicious-And-Nutritious-Meals-Cookbook-Recipes-Diet-Lean-Body-Tips-Health-Vitality-by-George-Letton.pdf
    • http://loaminoo.linkpc.net/6091096095098095/L-Ecrivain-Fantome-by-Jean-Luc-Benoziglio.pdf
    • http://loaminoo.linkpc.net/5094094092097095/Le-fant-me-de-l-op-ra-by-Gaston-Leroux.pdf
    • http://loaminoo.linkpc.net/6095090097098091/Eat-Your-Way-Slim-Discover-Rapid-Weight-Loss-Secrets-For-Extreme-Weight-Loss-Increase-Metabolism-And-Eat-To-Live-by-Edem-Agbley.pdf
    • http://loaminoo.linkpc.net/8099090094099091/Weight-Loss-Clarity-The-Best-Recipes-with-Smart-Points-for-Rapid-Weight-Loss-by-Natalie-Kordon.pdf
    • http://loaminoo.linkpc.net/4091092092/Neighbors-Twin-Estates-1-by-Stylo-Fantome.pdf
    • http://loaminoo.linkpc.net/3097097093099096/Degradation-The-Kane-Trilogy-1-by-Stylo-Fantome.pdf
    • http://loaminoo.linkpc.net/3093096096091091/Neighbors-Twin-Estates-1-by-Stylo-Fantome.pdf
    • http://loaminoo.linkpc.net/9091096090094097/How-To-Grieve-The-Loss-of-Your-Mother-How-to-Grieve-the-loss-of-

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