Malicious PDF — malware analysis report

Static analysis result for SHA-256 ad489acc130f589d…

MALICIOUS

PDF

32.3 KB Created: 2019-04-29 23:20:00 +01:00 Authoring application: mPDF 5.7
MD5: aadd2d59d9128301fa70ccbbc64b41e5 SHA-1: ab4e18d8d5c27905b738b291e7eeefbb15292761 SHA-256: ad489acc130f589d8d196564dfc0eb8f583d66b67ed66031864434d5387d2701
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO poisoning or to distribute malicious content. The ML classifier also flagged this PDF as malicious. While the specific URLs extracted were classified as benign, the sheer volume and structure of the link farm suggest a malicious intent to direct users to potentially harmful content. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9688

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://muicuiu.dumb1.com/6a09a08a09a06a00/A-Russian-Herbal-Traditional-Remedies-for-Health-and-Healing-by-Igor-Vilevich-Zevin.pdf
    • http://muicuiu.dumb1.com/1a00a06a04a08a07a03/Healing-Salve-25-Homemade-Herbal-Salves-Recipes-for-Health-and-Healing-by-Lisa-Macmillan.pdf
    • http://muicuiu.dumb1.com/1a00a06a04a08a08a09/HEALING-SALVE-Amazing-DIY-Herbal-Homemade-Salves-for-Healing-Health-and-Beauty-by-Sky-Pankhurst.pdf
    • http://muicuiu.dumb1.com/1a01a03a00a00a09a08/The-Complete-Medicinal-Herbal-A-Practical-Guide-to-the-Healing-Properties-of-Herbs-with-More-Than-250-Remedies-for-Common-Ailments-by-Penelope-Ody.pdf
    • http://muicuiu.dumb1.com/9a01a09a09a06a02/The-Complete-Illustrated-Holistic-Herbal-Safe-and-Practical-Guide-to-Making-and-Using-Herbal-Remedies-by-David-Hoffmann.pdf
    • http://muicuiu.dumb1.com/2a06a06a08a03a00/Essential-Oils-Natural-Remedies-The-Complete-A-Z-Reference-of-Essential-Oils-for-Health-and-Healing-by-Althea-Press.pdf
    • http://muicuiu.dumb1.com/1a01a06a03a05a03a04/Whole-Healing-Health-and-Healing-for-the-Whole-Person-by-Elliott-Dacher.pdf
    • http://muicuiu.dumb1.com/6a06a09a04a05a07/Hedgerow-Medicine-Harvest-and-Make-Your-Own-Herbal-Remedies-by-Julie-Bruton-Seal-Matthew-Seal.pdf
    • http://muicuiu.dumb1.com/6a08a09a05a04a01/Herbal-Medicine-Healing-amp-Cancer-by-Donald-Yance.pdf
    • http://muicuiu.dumb1.com/5a05a09a03a06a05/Foreign-Remedies-What-the-Experience-of-Other-Nations-Can-Tell-Us-about-Reforming-U-S-Health-Care-by-David-A-Rochefort.pdf
    • http://muicuiu.dumb1.com/8a04a07a00a07a08/Honey-for-Health-amp-Beauty-Over-75-Recipes-Remedies-and-Natural-Treatments-by-Marie-Annick-Courtier.pdf
    • http://muicuiu.dumb1.com/5a00a06a00a01a08/Herbal-Diplomats-The-Contribution-of-Early-American-Nurses-1830-1860-to-Nineteenth-Century-Health-Care-Reform-and-the-Botanical-Medic-by-Martha-Libster.pdf
    • http://muicuiu.dumb1.com/2a03a07a03a05a09/The-Scalpel-and-the-Silver-Bear-The-First-Navajo-Woman-Surgeon-Combines-Western-Medicine-and-Traditional-Healing-by-Lori-Arviso-Alvord.pdf
    • http://muicuiu.dumb1.com/7a03a04a04a05a00/Traditional-and-Modern-Japanese-Soy-Foods-Manufacturing-Nutrition-and-Cuisine-of-a-Variety-of-Soy-Foods-for-Health-and-Joy-of-Taste-by-Takuji-Ohyama.pdf
    • http://muicuiu.dumb1.com/1a00a01a04a01a02a04/Food-and-Healing-How-What-You-Eat-Determines-Your-Health-Your-Well-Being-and-the-Quality-of-Your-Life-by-Annemarie-Colbin.pdf
    • http://muicuiu.dumb1.com/2a02a08a02a02a03/Natural-Healing-Wisdom-amp-Know-How-Useful-Practices-Recipes-and-Formulas-for-a-Lifetime-of-Health-by-Amy-Rost.pdf
    • http://muicuiu.dumb1.com/4a04a09a03a04/The-Healing-of-America-A-Global-Quest-for-Better-Cheaper-and-Fairer-Health-Care-by-T-R-Reid.pdf
    • http://muicuiu.dumb1.com/1a08a05a08a05a02/The-Healing-of-America-A-Global-Quest-for-Better-Cheaper-and-Fairer-Health-Care-by-T-R-Reid.pdf
    • http://muicuiu.dumb1.com/2a05a05a08a07a03/Bartram-s-Encyclopedia-of-Herbal-Medicine-The-Definitive-Guide-to-the-Herbal-Treatments-of-Diseases-by-Thomas-Bartram.pdf
    • http://muicuiu.dumb1.com/8a09a03a07a09a08/Medicine-Mobility-and-Power-in-Global-Africa-Transnational-Health-and-Healing-by-Hansj-rg-Dilger.pdf

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