Malicious PDF — malware analysis report

Static analysis result for SHA-256 370ee19e67a7bffb…

MALICIOUS

PDF

14.8 KB Created: 2020-03-18 16:40:37 +00:00 Authoring application: mPDF 5.7
MD5: c54fae73f283dc3853ceb274561decd0 SHA-1: 247c88049a1ef235f032ff6cdf90cb9cb44f2523 SHA-256: 370ee19e67a7bffb3511901bc77f2f7a05ed0eabd2e680f44deb95670519dd71
90 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF files hosted on the domain easckaolp.myhome.cx. This technique is often used for SEO poisoning to manipulate search engine rankings or to redirect users to malicious websites. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9798

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://easckaolp.myhome.cx/1843847848849847/Postcards-by-Annie-Proulx.pdf
    • http://easckaolp.myhome.cx/6848842840840/Accordion-Crimes-by-Annie-Proulx.pdf
    • http://easckaolp.myhome.cx/3840845841843846/Brokeback-Mountain-by-Annie-Proulx.pdf
    • http://easckaolp.myhome.cx/1848843840847847/The-Shipping-News-by-Annie-Proulx.pdf
    • http://easckaolp.myhome.cx/9848842847845846/The-Shipping-News-by-Annie-Proulx.pdf
    • http://easckaolp.myhome.cx/5846848843849842/Brokeback-mountain-by-Annie-Proulx.pdf
    • http://easckaolp.myhome.cx/1840841841846849843/Ein-Haus-in-der-Wildnis-by-Annie-Proulx.pdf
    • http://easckaolp.myhome.cx/1843845844842840/Bad-Dirt-Wyoming-Stories-2-by-Annie-Proulx.pdf
    • http://easckaolp.myhome.cx/6845846843848849/Great-Grapes-Grow-the-Best-Ever-by-Annie-Proulx.pdf
    • http://easckaolp.myhome.cx/6845846843848848/Red-Desert-History-of-a-Place-by-Annie-Proulx.pdf
    • http://easckaolp.myhome.cx/2849849840840843/Brokeback-Mountain-Story-to-Screenplay-by-Annie-Proulx.pdf
    • http://easckaolp.myhome.cx/6845846843849845/The-Shipping-News-Reading-Group-Guide-by-Annie-Proulx.pdf
    • http://easckaolp.myhome.cx/6845846843848842/Annie-Proulx-s-Brokeback-Mountain-and-Postcards-by-Mark-Asquith.pdf
    • http://easckaolp.myhome.cx/6845846842849841/The-Geographical-Imagination-of-Annie-Proulx-Rethinking-Regionalism-by-Alex-Hunt.pdf
    • http://easckaolp.myhome.cx/6845846843848841/Making-the-Best-Apple-Cider-Storey-Country-Wisdom-Bulletin-A-47-by-Annie-Proulx.pdf
    • http://easckaolp.myhome.cx/6845846844842841/The-Lost-Frontier-Reading-Annie-Proulx-s-Wyoming-Stories-by-Mark-Asquith.pdf
    • http://easckaolp.myhome.cx/6845846843848843/Cider-Making-Using-amp-Enjoying-Sweet-amp-Hard-Cider-by-Annie-Proulx.pdf
    • http://easckaolp.myhome.cx/6845846844847841/A-Study-Guide-for-Annie-Proulx-s-quot-The-Shipping-News-quot-by-Cengage-Learning-Gale.pdf
    • http://easckaolp.myhome.cx/5843844846847844/Proulx-Historical-and-Genealogical-information-about-Albert-and-Leda-Proulx-by-Mark-Labine.pdf
    • http://easckaolp.myhome.cx/6845846842848848/The-Best-of-Danny-Proulx-s-Storage-and-Shelving-by-Danny-Proulx.pdf

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