Malicious PDF — malware analysis report

Static analysis result for SHA-256 adba99d725d66c2b…

MALICIOUS

PDF

32.7 KB Created: 2019-05-03 16:47:03 +01:00 Authoring application: mPDF 5.7
MD5: fa9b4fa87de202828a3b0135d4ee3557 SHA-1: 45f3bd306336685dc5f01aa006fb97303a193fbd SHA-256: adba99d725d66c2b42166037b7372eb1c3b3a7a67348da5a917a9e3af01837d6
90 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML_NYX_PDF_MALICIOUS classifier also flagged this file with high confidence. While the document body is unreadable, the presence of numerous links suggests a malicious intent, possibly for SEO manipulation or to distribute further malware. The primary IOCs are the URLs found within the document.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9883

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/5091099098093099/The-Litigation-State-Public-Regulation-and-Private-Lawsuits-in-the-U-S-by-Sean-Farhang.pdf
    • http://loaminoo.linkpc.net/5091097096091090/For-All-These-Rights-Business-Labor-and-the-Shaping-of-America-s-Public-Private-Welfare-State-by-Jennifer-Klein.pdf
    • http://loaminoo.linkpc.net/4092092090094093/The-Divided-Welfare-State-The-Battle-Over-Public-and-Private-Social-Benefits-in-the-United-States-by-Jacob-S-Hacker.pdf
    • http://loaminoo.linkpc.net/3090098093098090/Private-Love-in-a-Public-Place-Private-Love-1-by-Toni-Kenyon.pdf
    • http://loaminoo.linkpc.net/1094092099093090/Public-and-Private-Families-A-Reader-by-Andrew-J-Cherlin.pdf
    • http://loaminoo.linkpc.net/1090094095097090099/Private-Guns-Public-Health-New-Ed-by-David-Hemenway.pdf
    • http://loaminoo.linkpc.net/2098093090092095/I-Know-You-re-Out-There-Private-Longings-Public-Humiliations-and-Other-Tales-from-the-Personals-by-Michael-Beaumier.pdf
    • http://loaminoo.linkpc.net/1095093095092090/Private-Sector-Sean-Drummond-4-by-Brian-Haig.pdf
    • http://loaminoo.linkpc.net/5092092092097090/The-Secret-History-of-Domesticity-Public-Private-and-the-Division-of-Knowledge-by-Michael-McKeon.pdf
    • http://loaminoo.linkpc.net/4094097090095099/Private-Lives-and-Public-Affairs-The-Causes-C-l-bres-of-Prerevolutionary-France-by-Sarah-C-Maza.pdf
    • http://loaminoo.linkpc.net/5098098099094090/Understanding-Milan-Kundera-Public-Events-Private-Affairs-by-Fred-Misurella.pdf
    • http://loaminoo.linkpc.net/8099099094091090/Towards-Better-Regulation-Work-in-Progress-in-Developed-and-Emerging-Markets-Journal-of-Financial-Regulation-and-Compliance-Volume-14-Issue-1-by-Oonagh-McDonald.pdf
    • http://loaminoo.linkpc.net/4095097091099/John-Quincy-Adams-A-Public-Life-a-Private-Life-by-Paul-C-Nagel.pdf
    • http://loaminoo.linkpc.net/4099095095096098/Strong-Society-Smart-State-The-Rise-of-Public-Opinion-in-China-s-Japan-Policy-by-James-Reilly.pdf
    • http://loaminoo.linkpc.net/7093093090096093/A-Most-Pleasant-Fruitful-and-Witty-Work-of-the-Best-State-of-a-Public-Weal-and-of-the-New-Isle-Called-Utopia-Written-in-Latin-by-Thomas-More.pdf
    • http://loaminoo.linkpc.net/7096096094095096/Swiss-Securities-Regulation-An-Introduction-to-the-Regulation-of-the-Swiss-Financial-Market-with-a-Translation-of-the-Stock-Exchange-Act-of-1995-Sesta-and-Implementing-Ordinances-by-Daniel-Daeniker.pdf
    • http://loaminoo.linkpc.net/6097097097097090/Museum-of-Painting-and-Sculpture-Vol-5-Or-Collection-of-the-Principal-Pictures-Statues-and-Bas-Reliefs-in-the-Public-and-Private-Galleries-of-Europe-by-Reveil-Reveil.pdf
    • http://loaminoo.linkpc.net/6097097097097095/Museum-of-Painting-and-Sculpture-Vol-11-Or-Collection-of-the-Principal-Pictures-Statues-and-Bas-Reliefs-in-the-Public-and-Private-Galleries-of-Europe-by-Reveil-Reveil.pdf
    • http://loaminoo.linkpc.net/8090092091090092/The-Court-and-Times-of-Charles-the-First-Illustrated-by-Authentic-and-Confidential-Letters-from-Various-Public-and-Private-Collections-Including-Memoirs-of-the-Mission-in-England-of-the-Capuchin-Friars-in-the-Service-of-Queen-Henrietta-Maria-by-Cyprien.pdf
    • http://loaminoo.linkpc.net/6095096093096096/Bulletin-of-State-Institutions-Vol-18-Containing-a-Report-of-the-Quarterly-Conference-of-Chief-Executive-Officers-of-State-Institutions-and-Others-with-the-Board-of-Control-of-State-Institutions-with-Papers-and-Addresses-and-Discussions-Thereon-Janua-by-Board-of-Control-of-State-Institutions.pdf
    • http://loaminoo.linkpc.net/1094092099093090/Public-and

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