Malicious PDF — malware analysis report

Static analysis result for SHA-256 361cbf9cbceab654…

MALICIOUS

PDF

21.8 KB Created: 2019-04-30 04:04:37 +01:00 Authoring application: mPDF 5.7
MD5: 15486495db5a80c6527adacbf7370764 SHA-1: fa259b3e83676be6d967c45ea39da084f31f793d SHA-256: 361cbf9cbceab6549341fc2b9ab0826ea3d43894413883eb3ea56468b4428c5e
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, many of which are structured to appear as academic papers. This technique is often used for SEO manipulation or to lure users into downloading malicious content. The ML classifier strongly indicated maliciousness, and the PDF_SEO_LINK_FARM heuristic confirms the suspicious nature of the embedded links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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/6091093098094096/Multiple-Regression-in-Behavioral-Research-by-Elazar-J-Pedhazur.pdf
    • http://loaminoo.linkpc.net/6091093098093095/Multiple-Regression-A-Primer-by-Paul-D-Allison.pdf
    • http://loaminoo.linkpc.net/1090091098090098093/Sensory-Motor-and-Behavioral-Research-in-Space-by-Reinhard-Hilbig.pdf
    • http://loaminoo.linkpc.net/1091091095096095096/Child-Health-and-Behavioral-Medicine-A-Special-Issue-of-the-International-Journal-of-Behavioral-Medicine-by-Jan-Wallander.pdf
    • http://loaminoo.linkpc.net/6091093097099098/Designing-Business-Multiple-Media-Multiple-Disciplines-by-Clement-Mok.pdf
    • http://loaminoo.linkpc.net/1090093098092095097/Alternative-Methods-Of-Regression-by-David-Birkes.pdf
    • http://loaminoo.linkpc.net/8093097093098091/Regression-Models-for-Categorical-and-Limited-Dependent-Variables-by-J-Scott-Long.pdf
    • http://loaminoo.linkpc.net/1091093094098099091/Flavour-Research-of-Alcoholic-Beverages-Instrumental-and-Sensory-Analysis-Proceedings-of-the-Alko-Symposium-on-Flavour-Research-of-Alcoholic-Beverag-by-Lalli-Nykanen.pdf
    • http://loaminoo.linkpc.net/2092099095090093/Cognitive-Behavioral-Therapy-by-Tao-Lin.pdf
    • http://loaminoo.linkpc.net/9092096092099092/Mosaic-Evolution-of-Subterranean-Mammals-Regression-Progression-and-Global-Convergence-by-Eviatar-Nevo.pdf
    • http://loaminoo.linkpc.net/2099092096090095/Nonparametric-Statistics-For-The-Behavioral-Sciences-by-Sidney-Siegel.pdf
    • http://loaminoo.linkpc.net/1091092098095090090/Oxford-Handbook-of-Behavioral-Economics-and-the-Law-by-Eyal-Zamir.pdf
    • http://loaminoo.linkpc.net/9092096092091098/Psychological-And-Behavioral-Aspects-Of-Diving-by-Baruch-Nevo.pdf
    • http://loaminoo.linkpc.net/3098096093095093/Treating-Somatization-A-Cognitive-Behavioral-Approach-by-Robert-L-Woolfolk.pdf
    • http://loaminoo.linkpc.net/2090098098093096/Inside-Nudging-Navigating-Behavioral-Science-Applications-by-Steve-Shu.pdf
    • http://loaminoo.linkpc.net/7099096098099092/Clinical-Biofeedback-A-Procedural-Manual-for-Behavioral-Medicine-by-Kenneth-R-Gaarder.pdf
    • http://loaminoo.linkpc.net/4098096095091096/Lost-at-School-Why-Our-Kids-with-Behavioral-Challenges-are-Falling-Through-the-Cracks-and-How-We-Can-Help-Them-by-Ross-W-Greene.pdf
    • http://loaminoo.linkpc.net/7091098098094096/Past-Life-Regression-Remember-Past-Lives-and-Reincarnation-with-Hypnosis-by-Gelina-Ray.pdf
    • http://loaminoo.linkpc.net/2097094096/How-to-Have-a-Good-Day-Harness-the-Power-of-Behavioral-Science-to-Transform-Your-Working-Life-by-Caroline-Webb.pdf
    • http://loaminoo.linkpc.net/7092090091096096/Overcoming-Paranoid-amp-Suspicious-Thoughts-A-Self-Help-Guide-Using-Cognitive-Behavioral-Techniques-by-Daniel-B-Freeman.pdf
    • http://loaminoo.linkpc.net/1091093094098099091/Flavour-Research-of-Alcoholic-Beverages-Instrumental-and-Sensory-Analysis-Proceedings-of-the-Alko-Symposium-on-Flavour-Research-of-Alcoholic-Beverag-by-Lalli-Nykan

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