Malicious PDF — malware analysis report

Static analysis result for SHA-256 b690b693089dc926…

MALICIOUS

PDF

20.6 KB Created: 2019-05-03 06:00:50 +01:00 Authoring application: mPDF 5.7
MD5: b42de4fdf14f2ebe9aa72751648e2abe SHA-1: 7bff8b4be5f9f50bcec53503164ef575d67bdb07 SHA-256: b690b693089dc9268b4d4517386a4fa6a8890dfad4a36c358f558ca2b4b7a277
90 Risk Score

Malware Insights

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

The PDF contains a large number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged this PDF as malicious. While the document body is heavily obfuscated, the presence of numerous links suggests an attempt to manipulate search engine results or redirect users to potentially harmful content. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9462

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/1731735733733737734/Tomorrow-the-World-Hitler-Northwest-Africa-and-the-Path-Toward-America-by-Ronald-A-Schorn.pdf
    • http://cefasfese.4pu.com/1732731732732733/What-is-America-A-Short-History-of-the-New-World-Order-by-Ronald-Wright.pdf
    • http://cefasfese.4pu.com/3730738739733738/The-World-in-your-Kitchen-Vegetarian-recipes-from-Africa-Asia-and-Latin-America-for-Western-kitchens-by-Troth-Wells.pdf
    • http://cefasfese.4pu.com/6735730737732738/Africa-Tomorrow-by-Edem-Kodjo.pdf
    • http://cefasfese.4pu.com/2736731732737735/Tomorrow-s-Table-Organic-Farming-Genetics-and-the-Future-of-Food-by-Pamela-C-Ronald.pdf
    • http://cefasfese.4pu.com/5735739739736732/Idi-Amin-Dada-Hitler-in-Africa-by-Thomas-Patrick-Melady.pdf
    • http://cefasfese.4pu.com/3732732739734737/Ronald-Reagan-Talks-To-America-by-Ronald-Reagan.pdf
    • http://cefasfese.4pu.com/3739735731730737/Hell-in-a-Handbasket-Dispatches-from-the-Country-Formerly-Known-as-America-by-Tom-Tomorrow.pdf
    • http://cefasfese.4pu.com/5735739739732732/Captain-America-Volume-5-The-Tomorrow-Soldier-by-Rick-Remender.pdf
    • http://cefasfese.4pu.com/5739733733735737/Hiroshima-Why-America-Dropped-the-Atomic-Bomb-by-Ronald-Takaki.pdf
    • http://cefasfese.4pu.com/8739735730734738/Olympic-Affair-A-Novel-of-Hitler-s-Siren-and-America-s-Hero-by-Terry-Frei.pdf
    • http://cefasfese.4pu.com/5739730738739737/Rendezvous-with-Destiny-Ronald-Reagan-and-the-Campaign-That-Changed-America-by-Craig-Shirley.pdf
    • http://cefasfese.4pu.com/4733736733731735/High-on-the-Hog-A-Culinary-Journey-from-Africa-to-America-by-Jessica-B-Harris.pdf
    • http://cefasfese.4pu.com/2733737734737734/Kinship-A-Family-s-Journey-in-Africa-and-America-by-Philippe-Wamba.pdf
    • http://cefasfese.4pu.com/4732732737738731/The-World-of-Tomorrow-by-Brendan-Mathews.pdf
    • http://cefasfese.4pu.com/7732732736738734/Theory-from-the-South-Or-How-Euro-America-Is-Evolving-Toward-Africa-by-Jean-Comaroff.pdf
    • http://cefasfese.4pu.com/2737734735735734/Washington-Rules-America-s-Path-to-Permanent-War-by-Andrew-J-Bacevich.pdf
    • http://cefasfese.4pu.com/2731732737737738/Sky-Captain-and-the-World-of-Tomorrow-by-Kevin-J-Anderson.pdf
    • http://cefasfese.4pu.com/6739735736734738/Walker-s-Carnivores-of-the-World-by-Ronald-M-Nowak.pdf
    • http://cefasfese.4pu.com/1731735733734736737/The-First-World-War-in-Africa-by-Hew-Strachan.pdf
    • http://cefasfese.4pu.com/3732732739734737/Ronald-Reag

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