Malicious PDF — malware analysis report

Static analysis result for SHA-256 9eb0ff80f1619171…

MALICIOUS

PDF

25.8 KB Created: 2019-04-30 04:48:32 +01:00 Authoring application: mPDF 5.7
MD5: 0680c953bca096373fdc334914fe91d8 SHA-1: b9b41cc53930f739062bfcbf122d58b882f4c00d SHA-256: 9eb0ff80f1619171eecd5a3291a7fad7f98ebd6a637089a093947392beeb368c
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic. While the URLs themselves are currently marked as benign, the sheer volume and structure suggest a malicious intent, likely for SEO manipulation or to distribute further malware. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted from this sample.

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/1099091099095095/The-Essential-Federalist-and-Anti-Federalist-Papers-by-Alexander-Hamilton.pdf
    • http://loaminoo.linkpc.net/6098099091097094/The-Federalist-Papers-by-Alexander-Hamilton.pdf
    • http://loaminoo.linkpc.net/2097093099096099/The-Anti-Federalist-Papers-by-Founding-Fathers.pdf
    • http://loaminoo.linkpc.net/3096099095094096/The-Federalist-with-Letters-of-Brutus-by-Alexander-Hamilton.pdf
    • http://loaminoo.linkpc.net/1090090092094091091/The-Federalist-A-Collection-of-Essays-Written-in-Favour-of-the-New-Constitution-as-Agreed-Upon-by-the-Federal-Convention-September-17-1787-by-Alexander-Hamilton.pdf
    • http://loaminoo.linkpc.net/1091092092098099097/The-Federalist-The-Constitution-and-American-Government-by-Alex-Aichinger.pdf
    • http://loaminoo.linkpc.net/3091090092094092/Anti-Inflammatory-Book-Series-Get-The-Best-Of-Essential-Kitchen-Series--Over-100-Delicious-amp-Easy-to-Cook-Recipes-to-Fight-Inflammation-Slow-Aging-Combat-Yourself-The-Essential-Kitchen-Series-59-by-Sarah-Sophia.pdf
    • http://loaminoo.linkpc.net/4099099099095091/The-Politics-Of-Anti-Semitism-by-Alexander-Cockburn.pdf
    • http://loaminoo.linkpc.net/3096098097099097/Alexander-Hamilton-American-by-Richard-Brookhiser.pdf
    • http://loaminoo.linkpc.net/1091099092092093092/Report-on-the-Subject-of-Manufactures-by-Alexander-Hamilton.pdf
    • http://loaminoo.linkpc.net/6091090097098/Alexander-Hamilton-Revolutionary-by-Martha-Brockenbrough.pdf
    • http://loaminoo.linkpc.net/7096093099090092/Classical-Music-Third-Ear---The-Essential-Listening-Companion-by-Alexander-Morin.pdf
    • http://loaminoo.linkpc.net/6098094099091091/Thomas-Jefferson-Versus-Alexander-Hamilton-Confrontations-that-Shaped-a-Nation-by-Noble-E-Cunningham-Jr-.pdf
    • http://loaminoo.linkpc.net/1096097098094/Duel-with-the-Devil-The-True-Story-of-How-Alexander-Hamilton-and-Aaron-Burr-Teamed-Up-to-Take-on-America-s-First-Sensational-Murder-Mystery-by-Paul-Collins.pdf
    • http://loaminoo.linkpc.net/1098093092098092/Green-Smoothie-Recipe-Book-Anti-Inflammatory-Green-Smoothie-Recipes-for-Weight-Loss-Detox-Anti-Aging-amp-So-Much-More-by-Stephanie-Shaw.pdf
    • http://loaminoo.linkpc.net/1090099095095092098/Essential-Oils-Enjoy-The-Benefits-Of-Homemade-Essential-Oils-Recipes-for-Healing-Beauty-Care-And-Relaxing-Therapy-by-Zahara-Ebrahimi.pdf
    • http://loaminoo.linkpc.net/7098099094096097/Laurell-K-Hamilton-s-Anita-Blake-Vampire-Hunter---The-First-Death-1-by-Laurell-K-Hamilton.pdf
    • http://loaminoo.linkpc.net/2095094098099091/Essential-Oils-for-Dogs-Natural-Remedies-and-Natural-Dog-Care-Made-Easy-New-for-2015-Includes-Essential-Oils-for-Puppies-and-K9-s-by-Stacey-Moore.pdf
    • http://loaminoo.linkpc.net/4096091090090094/ESSENTIAL-OILS-FOR-CATS-Uncommon-Ways-To-Safely-Use-Cat-Essential-Oils-With-Natural-Cat-Remedies-For-Optimal-Health-Aromatherapy-For-Cats-by-Tonny-M-Ford.pdf
    • http://loaminoo.linkpc.net/4099096096098/The-Popularity-Papers-The-Popularity-Papers-1-by-Amy-Ignatow.pdf

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