Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0c7877ccfcb8b64…

MALICIOUS

PDF

20.2 KB Created: 2019-05-06 16:52:22 +01:00 Authoring application: mPDF 5.7 First seen: 2021-06-04
MD5: de5b3c43326f7b490fa8c0d093da6902 SHA-1: d6b3b559475789bc7e1949c920b2ae413df6791a SHA-256: f0c7877ccfcb8b64cfafd1f06d09372a92724b2affe77c73395c1d452b3be718
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF documents, identified as a 'PDF_SEO_LINK_FARM' heuristic. While the document body is heavily obfuscated and unreadable, the presence of numerous links suggests a malicious intent to redirect users to potentially harmful content or to manipulate search engine results. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9922

Heuristics 3

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://muicuiu.dumb1.com/1a05a04a03a00a08/A-Foreign-Policy-for-Americans-by-Robert-A-Taft.pdf In PDF document text
    • http://muicuiu.dumb1.com/6a09a06a04a06a00/Japan-s-Foreign-Policy-1945-2003-The-Quest-for-a-Proactive-Policy-by-Kazuhiko-Togo.pdfIn PDF document text
    • http://muicuiu.dumb1.com/7a05a00a05a07a08/Bridging-the-Foreign-Policy-Divide-by-Chollet-Derek.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a01a07a05a07a08a01/How-American-Foreign-Policy-is-Made-by-John-W-Spanier.pdfIn PDF document text
    • http://muicuiu.dumb1.com/5a08a01a06a04a06/Australian-Foreign-Policy-in-the-Age-of-Terror-by-Carl-Ungerer.pdfIn PDF document text
    • http://muicuiu.dumb1.com/2a01a00a03a04a05/The-Israel-Lobby-and-U-S-Foreign-Policy-by-John-J-Mearsheimer.pdfIn PDF document text
    • http://muicuiu.dumb1.com/2a00a02a02a04a09/The-Illusion-Of-Peace-Foreign-Policy-in-the-Nixon-Years-by-Tad-Szulc.pdfIn PDF document text
    • http://muicuiu.dumb1.com/2a05a06a09a05a01/21-Lies-They-Tell-You-About-American-Foreign-Policy-by-Brett-Saxon-Morris.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a00a01a00a04a02a09/Before-amp-After-U-S-Foreign-Policy-and-the-September-11th-Crisis-by-Phyllis-Bennis.pdfIn PDF document text
    • http://muicuiu.dumb1.com/9a02a08a05a00a01/Russia-Direct-Guidebook-to-Russian-Foreign-Policy-by-Alexey-Dolinskiy.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a01a00a00a04a09/Deterrence-in-American-Foreign-Policy-Theory-and-Practice-by-Alexander-L-George.pdfIn PDF document text
    • http://muicuiu.dumb1.com/6a04a04a09a05/A-Creative-Tension-The-Foreign-Policy-Roles-of-the-President-and-Congress-by-Lee-H-Hamilton.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a05a07a01a06a06/The-Pueblo-Incident-A-Spy-Ship-and-the-Failure-of-American-Foreign-Policy-by-Mitchell-B-Lerner.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a01a03a06a01a02a04/Readings-In-Canadian-Foreign-Policy-Classic-Debates-And-New-Ideas-by-Duane-Bratt.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a05a07a01a01a01/A-Two-Edged-Sword-The-Navy-as-an-Instrument-of-Canadian-Foreign-Policy-by-Nicholas-Tracy.pdfIn PDF document text
    • http://muicuiu.dumb1.com/9a01a02a08a04a00/Peace-Profits-and-Principles-A-Study-of-Dutch-Foreign-Policy-by-Joris-J-C-Voorhoeve.pdfIn PDF document text
    • http://muicuiu.dumb1.com/2a02a04a05a02a04/The-Foreign-Policy-of-Hitler-s-Germany-Diplomatic-Revolution-in-Europe-1933-36-by-Gerhard-L-Weinberg.pdfIn PDF document text
    • http://muicuiu.dumb1.com/3a03a02a01a02a03/Bluff-Bluster-Lies-and-Spies-The-Lincoln-Foreign-Policy-1861-1865-by-David-Perry.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a05a04a03a01a09/Mr-Republican-A-Biography-Of-Robert-A-Taft-by-James-T-Patterson.pdfIn PDF document text
    • http://muicuiu.dumb1.com/2a00a01a02a06a08/French-Foreign-Policy-during-the-Administration-of-Cardinal-Fleury-1726-1743-A-Study-in-Diplomacy-and-Commercial-Development-by-Arthur-McCandless-Wilson.pdfIn PDF document text

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