Malicious PDF — malware analysis report

Static analysis result for SHA-256 235efa2626cab3de…

MALICIOUS

PDF

20.1 KB Created: 2019-04-30 04:50:26 +01:00 Authoring application: mPDF 5.7
MD5: abe848040662e1522afd4934a826d23e SHA-1: 94f1d331335926d971afdad815a7067cf35969e8 SHA-256: 235efa2626cab3de8179facbb1a428192a6bd4ff99b3046820743971b436cc49
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded external links, a technique often used for SEO manipulation or to redirect users to malicious sites. The ML classifier strongly indicated maliciousness. While no scripts were extracted, the PDF structure and link farm heuristic suggest a delivery mechanism for potentially harmful content, possibly related to phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9942

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://unieoooq.linkpc.net/84e64e24e14e34e6/Romeo-und-Julia-Romeo-and-Juliet-Zweisprachig-Englisch-Deutsch-ebook-Seite-f-r-Seite-Bilingual-English-German-by-William-Shakespeare.pdf
    • http://unieoooq.linkpc.net/14e14e84e44e74e94e2/Der-Schimmelreiter-The-Rider-on-the-White-Horse---Bilingual-German-English-Edition-zweisprachig-Deutsch-Englisch-by-Theodor-Storm.pdf
    • http://unieoooq.linkpc.net/14e04e64e54e64e84e7/Romeo-and-Juliet---Romeo-und-Julia-von-William-Shakespeare-K-nigs-Erl-uterungen-Textanalyse-und-Interpretation-mit-ausf-hrlicher-Inhaltsangabe-und-Abituraufgaben-mit-L-sungen-by-Tamara-Kutscher.pdf
    • http://unieoooq.linkpc.net/54e34e14e24e54e8/Romeo-And-Juliet-Original-Text-And-Facing-Pages-Translation-Into-Contemporary-English-by-William-Shakespeare.pdf
    • http://unieoooq.linkpc.net/54e34e14e24e14e4/Romeo-and-Juliet-German-Learning-Edition-with-Paragraph-By-Paragraph-Translation-by-William-Shakespeare.pdf
    • http://unieoooq.linkpc.net/64e04e94e74e74e8/Romeo-and-Juliet-Original-Text-of-Masuccio-Salernitano-Luigi-Da-Porto-Matteo-Bandello-William-Shakespeare-by-William-Shakespeare.pdf
    • http://unieoooq.linkpc.net/84e24e74e04e14e7/Romeo-and-Juliet-by-William-Shakespeare.pdf
    • http://unieoooq.linkpc.net/74e74e14e34e24e6/Romeo-and-Juliet-by-William-Shakespeare.pdf
    • http://unieoooq.linkpc.net/74e24e14e44e34e3/Romeo-and-Juliet-by-William-Shakespeare.pdf
    • http://unieoooq.linkpc.net/94e44e74e34e44e7/Romeo-and-Juliet-by-William-Shakespeare.pdf
    • http://unieoooq.linkpc.net/84e24e14e84e14e7/Romeo-And-Juliet-by-William-Shakespeare.pdf
    • http://unieoooq.linkpc.net/54e44e24e34e94e6/Romeo-and-Juliet-by-William-Shakespeare.pdf
    • http://unieoooq.linkpc.net/84e94e54e04e34e6/Romeo-and-Juliet-by-William-Shakespeare.pdf
    • http://unieoooq.linkpc.net/44e24e84e64e74e9/Romeo-and-Juliet-by-William-Shakespeare.pdf
    • http://unieoooq.linkpc.net/54e54e94e84e54e5/Romeo-and-Juliet-by-William-Shakespeare.pdf
    • http://unieoooq.linkpc.net/54e44e24e94e04e4/Romeo-and-Juliet-by-William-Shakespeare.pdf
    • http://unieoooq.linkpc.net/34e44e84e74e44e9/Romeo-and-Juliet-by-William-Shakespeare.pdf
    • http://unieoooq.linkpc.net/74e74e64e54e34e9/Romeo-and-Juliet-by-William-Shakespeare.pdf
    • http://unieoooq.linkpc.net/64e94e84e34e64e9/Romeo-and-Juliet-by-William-Shakespeare.pdf
    • http://unieoooq.linkpc.net/94e84e64e04e94e5/Romeo-and-Juliet-by-William-Shakespeare.pdf
    • http://unieoooq.linkpc.net/54e34e14e24e54e8/Romeo-And-Juliet-Original-Text-And-Facing-Pages-Translation-Into-Contemporary

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