Malicious PDF — malware analysis report

Static analysis result for SHA-256 7229a25b80af9d90…

MALICIOUS

PDF

30.4 KB Created: 2019-04-30 10:53:55 +01:00 Authoring application: mPDF 5.7
MD5: 3d60bd96b8dde4bd64b239bafa2a8b37 SHA-1: eb26dff0c0597c19fb0403859896f7ac89975672 SHA-256: 7229a25b80af9d9029834a84428c07f14b984dd92bc56a1e83646c329fe1ca3b
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic, which suggests an attempt to direct users to external content. While the URLs themselves are labeled as benign, the sheer volume and the ML classifier's high confidence in maliciousness indicate a likely attempt at SEO poisoning or a similar deceptive tactic. No scripts were extracted, and the document body was heavily obfuscated, preventing further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9892

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/5092098090098091/How-To-Dress-Like-A-French-Woman-The-Beginner-s-Guide-To-Dressing-Classic-Chic-Sexy-And-Elegant-Just-Like-The-French-by-CeCe-Montagne.pdf
    • http://loaminoo.linkpc.net/7093090092096094/French-style-how-to-think-shop-and-dress-like-a-French-Woman-by-Veronica-Vienne.pdf
    • http://loaminoo.linkpc.net/7093090091096098/French-Style-How-to-Think-Shop-and-Dress-like-a-French-Woman-by-Veronique-Vienne.pdf
    • http://loaminoo.linkpc.net/6094097098095094/MADAME-BOVARY-Bilingual-Edition-English-French-A-Classic-of-French-Literature-from-the-prolific-French-writer-known-for-Salammb-Sentimental-Education-et-P-cuchet-November-and-Three-Tales-by-Gustave-Flaubert.pdf
    • http://loaminoo.linkpc.net/6098091097096093/guide-de-conversation-marseillais---conversation-guide-for-French-speakers---French-spoken-in-Marseilles-by-Philippe-Blanchet.pdf
    • http://loaminoo.linkpc.net/1091090091094095091/Eug-ne-s-French-Method-Or-Elementary-French-Lessons-Being-a-Course-of-Easy-Rules-and-Exercises-Introductory-to-the-Author-s-Student-s-Comparative-French-Grammar-by-G-Eugene-Fasnacht.pdf
    • http://loaminoo.linkpc.net/4094094099090098/Entre-Nous-A-Woman-s-Guide-to-Finding-Her-Inner-French-Girl-by-Debra-Ollivier.pdf
    • http://loaminoo.linkpc.net/5095092091094097/Familypedia---French-Language-Articles-in-French-French-Speaking-Countries-La-Francophonie-Pages-in-French-Translations-Needed-Fr-User-Fr-Abraham-Coste-Baronnet-Beaudet-Brice-Baronnet-Charles-Borromee-Beaudet-Charles-Baronnet-by-Source-Wikia.pdf
    • http://loaminoo.linkpc.net/1091090091095095091/Comparative-French-English-Studies-Grammatical-and-Idiomatic-Being-an-Entirely-Re-Written-Edition-of-the-French-Exercises-for-Middle-and-Upper-Forms-Adapted-to-the-Studens-Comparative-French-Grammar-by-G-Eugene-Fasnacht.pdf
    • http://loaminoo.linkpc.net/5098097090093093/The-Cat-in-the-Hat-in-English-and-French-Beginner-Books-R-by-Dr-Seuss.pdf
    • http://loaminoo.linkpc.net/6091090091091095/Love-Parisienne-The-French-Woman-s-Guide-to-Love-and-Passion-by-Florence-Besson.pdf
    • http://loaminoo.linkpc.net/8097099093094099/Classic-French-Course-In-English-by-William-Cleaver-Wilkinson.pdf
    • http://loaminoo.linkpc.net/1093095096099098/The-Fundamental-Techniques-of-Classic-Pastry-Arts-by-French-Culinary-Institute.pdf
    • http://loaminoo.linkpc.net/5091098096096097/The-Bourgeois-Frontier-French-Towns-French-Traders-and-American-Expansion-by-Jay-Gitlin.pdf
    • http://loaminoo.linkpc.net/8093094095093097/Histories-French-Constructions-of-the-Past-Postwar-French-Thought-by-Jacques-Revel.pdf
    • http://loaminoo.linkpc.net/5093097095098093/A-French-Reader-Un-Voyageur-Perdu-French-Readers-by-Yves-Thibault.pdf
    • http://loaminoo.linkpc.net/5093094096094099/A-Very-French-Christmas-The-Greatest-French-Holiday-Stories-of-All-Time-by-Guy-de-Maupassant.pdf
    • http://loaminoo.linkpc.net/1096095095097097/Tune-Up-Your-French-Top-10-Ways-to-Improve-Your-Spoken-French-by-Natalie-Schorr.pdf
    • http://loaminoo.linkpc.net/5095099091098095/French-Toast-An-American-in-Paris-Celebrates-the-Maddening-Mysteries-of-the-French-by-Harriet-Rochefort.pdf
    • http://loaminoo.linkpc.net/5098097090093097/Murder-on-the-Orient-Express-French-Learning-Edition-Learn-French-Book-1-by-Agatha-Christie.pdf

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