Malicious PDF — malware analysis report

Static analysis result for SHA-256 b27039c11da3c953…

MALICIOUS

PDF

19.2 KB Created: 2020-03-15 19:17:44 +00:00 Authoring application: mPDF 5.7
MD5: 289571266bc03c658acc20f303bef892 SHA-1: 97c084a1cf429e8c2bbd22cbfd6ab463e808df13 SHA-256: b27039c11da3c9533fc8d8e4fd15b9d14d7d4249d548938a69586500fc14c2d9
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, all pointing to the same domain 'weisncio.myhome.cx'. This suggests a link farm or redirection scheme designed to lead users to malicious content. The ML_NYX_PDF_MALICIOUS heuristic further supports the malicious nature of the document. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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://weisncio.myhome.cx/4620626626621625/Raja-Yoga-The-Yoga-Sutra-of-Patanjali-by-Chandra-Om.pdf
    • http://weisncio.myhome.cx/1621627620625622629/Patanjali-s-Ashtanga-Yoga-From-Theory---To-Practical-Realization-by-Vladimir-Antonov.pdf
    • http://weisncio.myhome.cx/7623628620628621/How-to-Write-Aphorisms-The-Aphoristic-Method-A-Guide-to-Writing-Aphorisms-by-Nathan-Coppedge.pdf
    • http://weisncio.myhome.cx/1621629625624623620/The-Inner-Tradition-of-Yoga-A-Guide-to-Yoga-Philosophy-for-the-Contemporary-Practitioner-by-Michael-Stone.pdf
    • http://weisncio.myhome.cx/6626624625625/Yoga-For-Beginners-Best-Yoga-Poses-For-Weight-Loss-And-Other-Benefits-by-Laura-Serio.pdf
    • http://weisncio.myhome.cx/1621629625625625620/Essential-Yoga-An-Illustrated-Guide-to-over-100-Yoga-Poses-and-Meditation-by-Olivia-H-Miller.pdf
    • http://weisncio.myhome.cx/9627620620623/Seven-Yoga-Habbits-That-Can-Transform-Your-Life-Seven-Yoga-Sins-to-Avoid-by-Sri-Joydip.pdf
    • http://weisncio.myhome.cx/1621629625623623624/Yoga-Sequencing-Designing-Transformative-Yoga-Classes-by-Mark-Stephens.pdf
    • http://weisncio.myhome.cx/3628623623628623/The-Complete-Guide-to-Yin-Yoga-The-Philosophy-and-Practice-of-Yin-Yoga-by-Bernie-Clark.pdf
    • http://weisncio.myhome.cx/9627620620621/Seven-Yoga-Habbits-That-Can-Transform-Your-Life-Seven-Yoga-Sins-to-Avoid-by-Sri-Joydip.pdf
    • http://weisncio.myhome.cx/1620621624620620624/Yoga-und-Meditation-f-r-F-hrungskr-fte-Einf-hrung-in-die-uralte-Weisheitslehre-Yoga-f-r-eine-bessere-F-hrungsqualit-t-by-Schwalbach.pdf
    • http://weisncio.myhome.cx/9625626625626629/Mastering-Vinyasa-Yoga-The-Yoga-Synthesis-Guide-to-Dynamic-Sequencing-with-Hundreds-of-Photos-and-Instructions-by-Raji-Thron.pdf
    • http://weisncio.myhome.cx/1629629628627626/Yoga-with-Iggy-the-Piggy-A-yoga-book-for-children-by-Amy-Lu.pdf
    • http://weisncio.myhome.cx/2628629629627621/Frosty-Relations-A-Witch-s-Night-Out-2-by-Tara-Quan.pdf
    • http://weisncio.myhome.cx/7626626620621623/Chinese-Watercolor-Techniques-for-Exquisite-Flowers-by-Lian-Quan-Zhen.pdf
    • http://weisncio.myhome.cx/7626626620621628/Chinese-Landscape-Painting-Techniques-for-Watercolor-by-Lian-Quan-Zhen.pdf
    • http://weisncio.myhome.cx/7623628620620621/Aphorisms-by-Barry-Krusch.pdf
    • http://weisncio.myhome.cx/7623627627627627/Aphorisms-by-Oswald-Spengler.pdf
    • http://weisncio.myhome.cx/6625627629621/Essays-and-Aphorisms-by-Arthur-Schopenhauer.pdf
    • http://weisncio.myhome.cx/7623628620627624/Aphorisms-for-Addicts-by-Larry-Hochhaus.pdf
    • http://weisncio.myhome.cx/9627620620623/Seven-Yoga-Habbits-That-Can-Transform-Yo