Malicious PDF — malware analysis report

Static analysis result for SHA-256 0377341bdcd5f663…

MALICIOUS

PDF

22.1 KB Created: 2019-04-30 17:39:26 +01:00 Authoring application: mPDF 5.7
MD5: f539ff5d2f117800c9aef2e8f648c084 SHA-1: dd5a8a9fd7f498b0bb8c149dd9c7c7e578f59496 SHA-256: 0377341bdcd5f6638932780a29ff402a65a61b4711ff35fc5f03d12215e34c05
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, a technique often used to distribute malicious content or engage in SEO abuse. The ML classifier also flagged this PDF as malicious. While the specific URLs appear benign, the sheer volume and the heuristic firing suggest a malicious intent to redirect users.

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/2097093093098092/Domestic-Violence-Poems-by-Eavan-Boland.pdf
    • http://loaminoo.linkpc.net/3093092095093094/In-a-Time-of-Violence-Poems-by-Eavan-Boland.pdf
    • http://loaminoo.linkpc.net/3098095091097090/An-Origin-Like-Water-Collected-Poems-1967--1987-by-Eavan-Boland.pdf
    • http://loaminoo.linkpc.net/6099095090092094/Outsmarting-the-Riptide-of-Domestic-Violence-by-Pat-Pernicano.pdf
    • http://loaminoo.linkpc.net/7090095097096094/Black-amp-Blue-A-Domestic-Violence-Story-by-Lady-Lissa.pdf
    • http://loaminoo.linkpc.net/1090097099091092098/Domestic-Violence-and-Health-Care-What-Every-Professional-Needs-to-Know-by-Sherri-Lynn-L-Schornstein.pdf
    • http://loaminoo.linkpc.net/1090097099091092096/Domestic-Violence-And-Health-Care-What-Every-Professional-Needs-To-Know-by-Sherri-Lynn-Schornstein.pdf
    • http://loaminoo.linkpc.net/1090099097091093098/Black-amp-Blue-2-A-Domestic-Violence-Love-Story-by-Lady-Lissa.pdf
    • http://loaminoo.linkpc.net/1098096096094090/Trauma-and-Recovery-The-Aftermath-of-Violence---From-Domestic-Abuse-to-Political-Terror-by-Judith-Lewis-Herman.pdf
    • http://loaminoo.linkpc.net/9096098095092094/La-Violencia-Domestica-a-Traves-De-60-Preguntas-Y-59-Respuestas-Domestic-Violence-Through-60-Questions-to-59-Answers-by-Daniel-Welzer-Lang.pdf
    • http://loaminoo.linkpc.net/1094092090098093/Domestic-Work-Poems-by-Natasha-Trethewey.pdf
    • http://loaminoo.linkpc.net/5090098096091095/Valley-in-the-Midst-of-Violence-Selected-Poems-1955-1985-by-G-sta-Agren.pdf
    • http://loaminoo.linkpc.net/5095094096093096/Meditations-on-Violence-A-Comparison-of-Martial-Arts-Training-amp-Real-World-Violence-by-Rory-Miller.pdf
    • http://loaminoo.linkpc.net/5090099090093097/James-Duhig-by-T-P-Boland.pdf
    • http://loaminoo.linkpc.net/9095098096096091/Russische-zon-over-Poesjkin-by-Hans-Boland.pdf
    • http://loaminoo.linkpc.net/1091097097095092097/Circumcision-excision-racism-sexism-and-violence-The-greatest-crime-against-humanity-an-artificial-racism-masked-behind-tradition-religion-culture-and-folklore-catalyst-of-violence-by-Michel-Herve-Bertaux-Navoiseau.pdf
    • http://loaminoo.linkpc.net/7096098095099/Escape-from-Marianna-by-Bobbi-Boland-White.pdf
    • http://loaminoo.linkpc.net/3090093090099/No-Tears-for-My-Father-A-true-story-of-incest-by-Viga-Boland.pdf
    • http://loaminoo.linkpc.net/4090096098091095/Thomas-Aquinas-The-Mind-In-Love-Cts-Great-Saints-Series-by-Vivian-Boland.pdf
    • http://loaminoo.linkpc.net/2096098099095/Mary-Higgins-Clark-Presents-Malice-Domestic-Malice-Domestic-2-by-Mary-Higgins-Clark.pdf