Malicious PDF — malware analysis report

Static analysis result for SHA-256 aee4f84735383548…

MALICIOUS

PDF

15.0 KB Created: 2019-06-04 07:38:31 +01:00 Authoring application: mPDF 5.7
MD5: 8debc4a5d022d583335b6c98d5fa4bd2 SHA-1: 26109c0a253b7a015107b74c3825dc45d9da406d SHA-256: aee4f84735383548641a6e36cdfa06e095d9601b55bf97278af7ea47808b4567
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. While the extracted URLs themselves are currently marked as benign, the sheer volume and structure suggest a malicious intent, possibly for SEO spam or to redirect users to malicious sites. No scripts were extracted from this sample.

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://cefasfese.4pu.com/5733735733730734/The-Year-s-Best-Fantasy-and-Horror-Eleventh-Annual-Collection-by-Ellen-Datlow.pdf
    • http://cefasfese.4pu.com/5733735733730736/The-Year-s-Best-Fantasy-and-Horror-Fifth-Annual-Collection-by-Ellen-Datlow.pdf
    • http://cefasfese.4pu.com/2736735731739/The-Year-s-Best-Fantasy-and-Horror-Eighteenth-Annual-Collection-by-Ellen-Datlow.pdf
    • http://cefasfese.4pu.com/2736731739736/The-Year-s-Best-Fantasy-and-Horror-Twelfth-Annual-Collection-by-Ellen-Datlow.pdf
    • http://cefasfese.4pu.com/5733735733730737/Demons-and-Dreams-Year-s-Best-Fantasy-and-Horror-Volume-2-by-Ellen-Datlow.pdf
    • http://cefasfese.4pu.com/2735738735734/Salon-Fantastique-Thirty-Original-Tales-of-Fantasy-by-Ellen-Datlow.pdf
    • http://cefasfese.4pu.com/2736730732733/Queen-Victoria-s-Book-of-Spells-An-Anthology-of-Gaslamp-Fantasy-by-Ellen-Datlow.pdf
    • http://cefasfese.4pu.com/3730737736737735/The-Year-s-Best-Australian-Fantasy-and-Horror-2012-by-Liz-Grzyb.pdf
    • http://cefasfese.4pu.com/2736735738738/The-Year-s-Best-Science-Fiction-Ninth-Annual-Collection-by-Gardner-Dozois.pdf
    • http://cefasfese.4pu.com/2736735733736/The-Year-s-Best-Science-Fiction-Nineteenth-Annual-Collection-by-Gardner-Dozois.pdf
    • http://cefasfese.4pu.com/2736735738733/The-Year-s-Best-Science-Fiction-Tenth-Annual-Collection-by-Gardner-Dozois.pdf
    • http://cefasfese.4pu.com/2736735734732/The-Year-s-Best-Science-Fiction-Eighteenth-Annual-Collection-by-Gardner-Dozois.pdf
    • http://cefasfese.4pu.com/2732738733731731/The-Year-s-Best-Science-Fiction-Twenty-Sixth-Annual-Collection-by-Gardner-Dozois.pdf
    • http://cefasfese.4pu.com/5730738730734734/The-Monstrous-by-Ellen-Datlow.pdf
    • http://cefasfese.4pu.com/2737730733735730/Fearful-Symmetries-by-Ellen-Datlow.pdf
    • http://cefasfese.4pu.com/2736730736735/Haunted-Legends-by-Ellen-Datlow.pdf
    • http://cefasfese.4pu.com/3738735739736/Supernatural-Noir-by-Ellen-Datlow.pdf
    • http://cefasfese.4pu.com/2736733733736/Blood-Is-Not-Enough-17-Stories-of-Vampirism-by-Ellen-Datlow.pdf
    • http://cefasfese.4pu.com/3738730732738735/Black-Thorn-White-Rose-by-Ellen-Datlow.pdf
    • http://cefasfese.4pu.com/2735738738731/Silver-Birch-Blood-Moon-by-Ellen-Datlow.pdf

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