Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6458a5690fecf14…

MALICIOUS

PDF

23.2 KB Created: 2019-04-30 06:02:52 +01:00 Authoring application: mPDF 5.7
MD5: f3c7568fa9b1c40e68ca5a42b3746085 SHA-1: a90ef38c80ae110b900c4e3aab36b11d87784d52 SHA-256: e6458a5690fecf14ea2f69e5729d176769c1e293c4490c6c62a77810992d0291
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, as indicated by the PDF_SEO_LINK_FARM heuristic. These links point to various book titles, suggesting a potential SEO poisoning or link farm tactic to drive traffic to these external sites. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9901

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://seasasac.lflinkup.com/1da0da2da5da7da3da1/Modern-Motherhood-An-American-History-by-Jodi-Vandenberg-Daves.pdf
    • http://seasasac.lflinkup.com/1da9da0da7da4/Criminal-Intimacy-Prison-and-the-Uneven-History-of-Modern-American-Sexuality-by-Regina-G-Kunzel.pdf
    • http://seasasac.lflinkup.com/2da3da8da9da5da7/I-Was-a-Really-Good-Mom-Before-I-Had-Kids-Reinventing-Modern-Motherhood-by-Trisha-Ashworth.pdf
    • http://seasasac.lflinkup.com/4da4da1da8da3da3/The-Conflict-How-Modern-Motherhood-Undermines-the-Status-of-Women-by-lisabeth-Badinter.pdf
    • http://seasasac.lflinkup.com/1da0da2da5da4da4da6/The-Private-Papers-of-Senator-Vandenberg-by-Arthur-H-Vandenberg.pdf
    • http://seasasac.lflinkup.com/2da1da3da7da2/Guidebook-to-Relative-Strangers-Journeys-into-Race-Motherhood-and-History-by-Camille-T-Dungy.pdf
    • http://seasasac.lflinkup.com/4da1da5da5da3da8/American-Indians-American-Presidents-A-History-by-National-Museum-of-the-American-Indian.pdf
    • http://seasasac.lflinkup.com/3da3da6da2da3da6/And-the-Rest-is-History-The-Chronicles-of-St-Mary-s-8-by-Jodi-Taylor.pdf
    • http://seasasac.lflinkup.com/1da5da9da6da0da1/The-Encyclopedia-of-the-Spanish-American-and-Philippine-American-Wars-3-Volumes-A-Political-Social-and-Military-History-by-Spencer-C-Tucker.pdf
    • http://seasasac.lflinkup.com/2da1da4da2da3da8/Don-t-Know-Much-about-History-Everything-You-Need-to-Know-about-American-History-But-Never-Learned-by-Kenneth-C-Davis.pdf
    • http://seasasac.lflinkup.com/1da1da5da1da1da1da9/Deutsch-Na-Klar-An-Introductory-German-Course--Workbook-by-Lida-Daves-Schneider.pdf
    • http://seasasac.lflinkup.com/1da0da9da8da1da9da7/American-History-amp-Donald-Trump-A-History-Professor-Explores-The-200-Year-Old-Roots-of-the-Trump-Campaign-by-Michael-Rank.pdf
    • http://seasasac.lflinkup.com/8da4da3da6da8da0/Modern-American-Memoirs-by-Annie-Dillard.pdf
    • http://seasasac.lflinkup.com/4da5da6da6da4da4/Lies-Damned-Lies-and-History-by-Jodi-Taylor.pdf
    • http://seasasac.lflinkup.com/1da1da5da1da1da0da9/Laboratory-Manual-to-Accompany-Deutsch-Na-Klar-an-Introductory-German-Course-by-Lida-Daves-Schneider.pdf
    • http://seasasac.lflinkup.com/7da5da0da5da2da0/An-Encyclopedia-of-Modern-American-Humor-by-Bennett-Cerf.pdf
    • http://seasasac.lflinkup.com/9da3da9da7da4da7/Chiura-Obata-An-American-Modern-by-ShiPu-Wang.pdf
    • http://seasasac.lflinkup.com/8da0da8da7da7da8/Sua-Sponte-The-Forging-of-a-Modern-American-Ranger-by-Dick-Couch.pdf
    • http://seasasac.lflinkup.com/9da5da6da1da4da9/Alfred-Maurer-The-First-American-Modern-by-Daphne-Anderson-Deeds.pdf
    • http://seasasac.lflinkup.com/5da9da5da8da7da1/History-of-Modern-India-by-Bipan-Chandra.pdf
    • http://seasasac.lflinkup.com/2da1da3da7da2/Guidebook-to-Relative-Strangers-Journeys-into-Race-Motherhood-and-History-by-Camille-

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