Malicious PDF — malware analysis report

Static analysis result for SHA-256 77ff8e303cba7bf5…

MALICIOUS

PDF

17.1 KB Created: 2019-04-30 03:52:50 +01:00 Authoring application: mPDF 5.7 First seen: 2021-10-23
MD5: c1d580c9feaa95e9d224f913f9cc2bd1 SHA-1: 3b54f735931895a655b813dfd29bcc6e74605c80 SHA-256: 77ff8e303cba7bf5733b245de1de03aa1c5603d858128b5d1e0491a88917b44f
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, identified as a link farm. 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 malicious content. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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://xiixmcuin.linkpc.net/3202202206200/The-Hunger-Games-Trilogy-Boxset-The-Hunger-Games-1-3-by-Suzanne-Collins.pdf In PDF document text
    • http://xiixmcuin.linkpc.net/5206201207203/The-Hunger-Games-Trilogy-Boxset-by-Suzanne-Collins.pdfIn PDF document text
    • http://xiixmcuin.linkpc.net/5205205202205203/Hunger-Games-A-Detailed-Summary-of-Hunger-Games-Book-1----Along-With-Analysis-And-Fun-Quizes-Hunger-Games-Hunger-Games-Trilogy-Hunger-by-Mr-Summary.pdfIn PDF document text
    • http://xiixmcuin.linkpc.net/2206208200203208/The-Hunger-Games-Trilogy-by-Suzanne-Collins.pdfIn PDF document text
    • http://xiixmcuin.linkpc.net/4206209202202/The-Hunger-Games-The-Hunger-Games-1-by-Suzanne-Collins.pdfIn PDF document text
    • http://xiixmcuin.linkpc.net/9207209209205201/The-Hunger-Games-The-Hunger-Games-1-by-Suzanne-Collins.pdfIn PDF document text
    • http://xiixmcuin.linkpc.net/5206201208200/The-Hunger-Games-The-Hunger-Games-1-by-Suzanne-Collins.pdfIn PDF document text
    • http://xiixmcuin.linkpc.net/1200204209202208/The-Girl-Who-Was-on-Fire-Your-Favorite-Authors-on-Suzanne-Collins-Hunger-Games-Trilogy-by-Leah-Wilson.pdfIn PDF document text
    • http://xiixmcuin.linkpc.net/5205206201201209/The-Hunger-Games-by-Suzanne-Collins.pdfIn PDF document text
    • http://xiixmcuin.linkpc.net/6200205201207200/Int-grale-Hunger-Games-by-Suzanne-Collins.pdfIn PDF document text
    • http://xiixmcuin.linkpc.net/4201201209207203/Mockingjay-The-Hunger-Games-3-by-Suzanne-Collins.pdfIn PDF document text
    • http://xiixmcuin.linkpc.net/4201203208203/Mockingjay-The-Hunger-Games-3-by-Suzanne-Collins.pdfIn PDF document text
    • http://xiixmcuin.linkpc.net/3208206208201/Catching-Fire-The-Hunger-Games-2-by-Suzanne-Collins.pdfIn PDF document text
    • http://xiixmcuin.linkpc.net/2207201207207201/Catching-Fire-The-Hunger-Games-2-by-Suzanne-Collins.pdfIn PDF document text
    • http://xiixmcuin.linkpc.net/5202204205205205/Hunger-Games---Tome-3-La-r-volte-by-Suzanne-Collins.pdfIn PDF document text
    • http://xiixmcuin.linkpc.net/6204200203200209/Coffret---Hunger-games-La-trilogie-by-Suzanne-Collins.pdfIn PDF document text
    • http://xiixmcuin.linkpc.net/4200205200208/SAMPLER-ONLY-Catching-Fire-The-Hunger-Games-2-by-Suzanne-Collins.pdfIn PDF document text
    • http://xiixmcuin.linkpc.net/5205205203203204/Sleepover-Unofficial-Jennifer-Lawrence-Trivia-Games-What-is-your-Hunger-Games-IQ-Book-1-by-A-M-Rice.pdfIn PDF document text
    • http://xiixmcuin.linkpc.net/4203202208201/The-Hunger-Games-Tribute-Guide-by-Emily-Seife.pdfIn PDF document text
    • http://xiixmcuin.linkpc.net/5205205203203201/Three-Quizbooks-In-One-Fifty-Shades-Hunger-Games-and-Twilight-by-Lyricfan.pdfIn PDF document text

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