Malicious PDF — malware analysis report

Static analysis result for SHA-256 a86f582c88740d95…

MALICIOUS

PDF

22.9 KB Created: 2019-04-30 09:00:27 +01:00 Authoring application: mPDF 5.7
MD5: ce88932d492d35d3b4f8efee1a45db91 SHA-1: 7df83e93bd016fc96a02ce13fb60c485b8659828 SHA-256: a86f582c88740d95cc11d11b44f45fb52d6753855db219c19557dff8339b1b8c
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF file contains a large number of embedded external links, a technique often used for SEO manipulation or to redirect users to malicious websites. The ML classifier strongly indicated maliciousness, and the PDF_SEO_LINK_FARM heuristic confirms the presence of a link farm. While the extracted URLs themselves are currently marked as benign, the sheer volume and nature of the heuristic firing suggest a malicious intent to distribute or obscure malicious content.

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/1090093099092094/Our-Thoughts-Determine-Our-Lives-The-Life-and-Teachings-of-Elder-Thaddeus-of-Vitovnica-by-Ana-Smiljanic.pdf
    • http://loaminoo.linkpc.net/6093094090093/Eruera-The-Teachings-Of-A-Maori-Elder-by-Eruera-Stirling.pdf
    • http://loaminoo.linkpc.net/9092097098092099/Many-Lives-Many-Masters-The-True-Story-of-a-Prominent-Psychiatrist-His-Young-Patient-and-the-Past-Life-Therapy-That-Changed-Both-Their-Lives-by-Brian-L-Weiss.pdf
    • http://loaminoo.linkpc.net/4090091096092098/Poetry-Changes-Lives-Daily-Thoughts-on-Poetry-and-History-by-Christopher-Burn.pdf
    • http://loaminoo.linkpc.net/1090098092095096/Look-Me-in-the-Eye-My-Life-with-Asperger-s-by-John-Elder-Robison.pdf
    • http://loaminoo.linkpc.net/1090097097093094094/The-Light-of-the-World-The-Life-and-Teachings-of-Jesus-of-Nazareth-by-Tim-Spiess.pdf
    • http://loaminoo.linkpc.net/7095098091097098/Cheikh-Ahmadou-Bamba-Life-Teachings-and-Poetry-by-Qiyamah-Abdallah.pdf
    • http://loaminoo.linkpc.net/2098090095095092/Shri-Sai-Satcharitra-The-Wonderful-Life-and-Teachings-of-Shirdi-Sai-Baba-by-Hemadpant-Dabholkar.pdf
    • http://loaminoo.linkpc.net/1091093090091095094/Singing-the-Songs-of-My-Ancestors-The-Life-and-Music-of-Helma-Swan-Makah-Elder-by-Linda-J-Goodman.pdf
    • http://loaminoo.linkpc.net/6094094095098094/The-Hidden-Life-Thoughts-on-Communion-with-God-by-Adolph-Saphir.pdf
    • http://loaminoo.linkpc.net/6090098096099095/Getting-a-Life-Real-Lives-Transformed-by-Your-Money-or-Your-Life-by-Jacquelyn-Blix.pdf
    • http://loaminoo.linkpc.net/1093090096090098/The-Elder-Origins-Series-Books-1-3-The-Elder-Origins-Boxed-Set-by-Bre-Faucheux.pdf
    • http://loaminoo.linkpc.net/1090091099091096/The-Intention-Experiment-Using-Your-Thoughts-to-Change-Your-Life-and-the-World-by-Lynne-McTaggart.pdf
    • http://loaminoo.linkpc.net/6091095099096099/The-Old-Jarhead-s-Journal-Random-Thoughts-on-Life-Liberty-and-Leadership-by-Robert-A-Hall.pdf
    • http://loaminoo.linkpc.net/4097091093090094/The-Unprejudiced-Palate-Classic-Thoughts-on-Food-and-the-Good-Life-by-Angelo-M-Pellegrini.pdf
    • http://loaminoo.linkpc.net/1099093099090090/Wise-Thoughts-for-Every-Day-On-God-Love-the-Human-Spirit-and-Living-a-Good-Life-by-Leo-Tolstoy.pdf
    • http://loaminoo.linkpc.net/9096094097096092/In-the-Strength-of-the-Lord-The-Life-and-Teachings-of-James-E-Faust-by-James-P-Bell.pdf
    • http://loaminoo.linkpc.net/1091091093098091093/Untying-the-Karmic-Knot-Healing-Through-Past-Life-Regression-Therapy-Knowledge-Through-Life-Between-Lives-Therapy-the-Earth-s-Future-Through-by-Diane-Morrin.pdf
    • http://loaminoo.linkpc.net/6093097094093093/Un-compagnon-d-termin-Les-fr-res-Holland-t-2-by-Toni-Griffin.pdf
    • http://loaminoo.linkpc.net/7093096097090/Dam-Nation-How-Water-Shaped-the-West-and-Will-Determine-Its-Future-by-Stephen-Grace.pdf
    • http://loaminoo.linkpc.net/1090098092095096/Look-Me-in-the-Eye-My-Life-with-Asperger-s-by-John-Eld

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