Malicious PDF — malware analysis report

Static analysis result for SHA-256 952a305336f015f5…

MALICIOUS

PDF

26.2 KB Created: 2019-06-13 11:30:41 +01:00 Authoring application: mPDF 5.7
MD5: 1f02b27bfc000e233465534bd055d86d SHA-1: dacfb1e8906633f4a3adf30893d9c8165f78123e SHA-256: 952a305336f015f5ab38c2f2af5a01ff60340f1b869a96777deed5184292cdfe
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 websites, identified by the PDF_SEO_LINK_FARM heuristic. While many of these URLs are marked as benign, the sheer volume and the nature of the heuristic suggest a malicious intent, possibly for SEO manipulation or to redirect users to malicious content. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9695

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/7736731736737737/Tournament-of-Shadows-The-Great-Game-amp-the-Race-for-Empire-in-Central-Asia-by-Karl-Ernest-Meyer.pdf
    • http://cefasfese.4pu.com/4738734735737732/Tournament-of-Shadows-The-Great-Game-amp-the-Race-for-Empire-in-Central-Asia-Cornelia-amp-Michael-Bessie-Book-by-Shareen-Blair-Brysac.pdf
    • http://cefasfese.4pu.com/1733739730737732/The-Great-Game-The-Struggle-for-Empire-in-Central-Asia-by-Peter-Hopkirk.pdf
    • http://cefasfese.4pu.com/1731730731733735730/China-and-India-in-Central-Asia-A-New-quot-Great-Game-quot-by-Marl-ne-Laruelle.pdf
    • http://cefasfese.4pu.com/5732732734730731/Veiled-Empire-Gender-and-Power-in-Stalinist-Central-Asia-by-Douglas-Northrop.pdf
    • http://cefasfese.4pu.com/1734739732734734/Pax-Ethnica-Where-and-Why-Diversity-Succeeds-by-Karl-Ernest-Meyer.pdf
    • http://cefasfese.4pu.com/7732739737733/The-Great-Game-On-Secret-Service-in-High-Asia-by-Peter-Hopkirk.pdf
    • http://cefasfese.4pu.com/4731734737735735/Tournament-of-Shadows-by-S-A-Meade.pdf
    • http://cefasfese.4pu.com/1731731730731730739/On-The-Other-Side-A-Journey-To-Soviet-Central-Asia-by-Geoffrey-Moorhouse.pdf
    • http://cefasfese.4pu.com/7736731736735734/Jihad-The-Rise-of-Militant-Islam-in-Central-Asia-by-Ahmed-Rashid.pdf
    • http://cefasfese.4pu.com/1733739738735739/To-the-Back-of-Beyond-An-Illustrated-Companion-to-Central-Asia-and-Mongolia-by-Fitzroy-MacLean.pdf
    • http://cefasfese.4pu.com/2731730731734734/Warriors-Of-The-Steppe-Military-History-Of-Central-Asia-500-B-C-To-1700-A-D-by-Erik-Hildinger.pdf
    • http://cefasfese.4pu.com/1738732733732739/Central-Asia-Kazakhstan-Tajikistan-Uzbekistan-Kyrgyzstan-Turkmenistan-by-Bradley-Mayhew.pdf
    • http://cefasfese.4pu.com/1731733734732731735/Conflict-Transformation-in-Central-Asia-Irrigation-Disputes-in-the-Ferghana-Valley-by-Christine-Bichsel.pdf
    • http://cefasfese.4pu.com/1731733734731732733/Conflict-Transformation-in-Central-Asia-Irrigation-disputes-in-the-Ferghana-Valley-by-Christine-Bichsel.pdf
    • http://cefasfese.4pu.com/7737738735736/Descent-into-Chaos-The-United-States-amp-the-Failure-of-Nation-Building-in-Pakistan-Afghanistan-amp-Central-Asia-by-Ahmed-Rashid.pdf
    • http://cefasfese.4pu.com/1736736739730736/Look-Great-Feel-Great-12-Keys-to-Enjoying-a-Healthy-Life-Now-by-Joyce-Meyer.pdf
    • http://cefasfese.4pu.com/5731739730730737/America-s-Miracle-Man-in-Vietnam-Ngo-Dinh-Diem-Religion-Race-and-U-S-Intervention-in-Southeast-Asia-by-Seth-Jacobs.pdf
    • http://cefasfese.4pu.com/8731730730732730/The-Game-Players-of-Meridien-Chronicles-of-the-Second-Empire-Chronicles-of-the-Second-Interstellar-Empire-of-Mankind-Book-1-by-Robert-I-Katz.pdf
    • http://cefasfese.4pu.com/4738738736733730/Great-Britain-Volume-1-Southern-England-amp-East-Anglia-Handbook-for-Travellers-by-Karl-Baedeker-by-Karl-Baedeker.pdf

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