Malicious PDF — malware analysis report

Static analysis result for SHA-256 7f03c3b01ca6a929…

MALICIOUS

PDF

16.7 KB Created: 2019-04-30 04:25:47 +01:00 Authoring application: mPDF 5.7
MD5: f6caa52821c6a6047fd71bfb1b4281d8 SHA-1: 1f8822b8d3c4f9ecbfd05f9ddd773ee86e99ce1e SHA-256: 7f03c3b01ca6a929b00013ed7bdae1d2939312e33140e523f46821be77cc63b1
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 URLs themselves are marked as benign, the sheer volume and the heuristic firing of 'PDF_SEO_LINK_FARM' suggest a malicious intent, possibly for SEO manipulation or to host further 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/9200208203207202/Marianne-the-Madame-and-the-Momentary-Gods-Marianne-2-by-Sheri-S-Tepper.pdf
    • http://xiixmcuin.linkpc.net/3207200201203202/Motherless-Brooklyn-by-Jonathan-Lethem.pdf
    • http://xiixmcuin.linkpc.net/9200208203207205/Marianne-and-the-Masked-Prince-Marianne-3-by-Juliette-Benzoni.pdf
    • http://xiixmcuin.linkpc.net/9200208204207200/Marianne-and-the-Crown-of-Fire-Marianne-7-by-Juliette-Benzoni.pdf
    • http://xiixmcuin.linkpc.net/1206204206200200/Marianne-the-Magus-and-the-Manticore-Marianne-1-by-Sheri-S-Tepper.pdf
    • http://xiixmcuin.linkpc.net/2203201201204203/The-Marianne-Trilogy-Marianne-1-3-by-Sheri-S-Tepper.pdf
    • http://xiixmcuin.linkpc.net/1200204202207209203/Der-Lehrling-und-ich---Gefangen-im-Lift-by-Tim-Langner.pdf
    • http://xiixmcuin.linkpc.net/1201204204207200205/Der-Gebieter-und-sein-Diener-by-Tim-Langner.pdf
    • http://xiixmcuin.linkpc.net/1201204204201203203/Herrenabend-Allein-unter-M-nnern-by-Tim-Langner.pdf
    • http://xiixmcuin.linkpc.net/1201209203205209200/Weiches-Herz-in-harten-Zeiten-Das-Leben-von-Marianne-Berendsen-by-Marianne-Berendsen.pdf
    • http://xiixmcuin.linkpc.net/4203203201200200/Mother-to-the-Motherless-The-inspiring-true-story-of-one-woman-s-devotion-to-the-orphaned-children-of-Kenya-by-Mama-Zipporah.pdf
    • http://xiixmcuin.linkpc.net/1201205205202209206/Die-Diskriminierung-der-M-tter-als-das-Z-nglein-an-der-Waage-Patriarchale-Politik-macht-krank-by-Ulrich-Langner.pdf
    • http://xiixmcuin.linkpc.net/1201207203202202203/Marianne-Williamson-on-Death-Dying-by-Marianne-Williamson.pdf
    • http://xiixmcuin.linkpc.net/1201207203202202206/Marianne-Williamson-on-Meditation-and-Prayer-by-Marianne-Williamson.pdf
    • http://xiixmcuin.linkpc.net/9200208205201203/Marianne-Williamson-on-Self-Esteem-by-Marianne-Williamson.pdf
    • http://xiixmcuin.linkpc.net/1201207203200208207/Marianne-Williamson-on-Communication-by-Marianne-Williamson.pdf
    • http://xiixmcuin.linkpc.net/3209209204201202/Marianne-Williamson-On-Spirituality-by-Marianne-Williamson.pdf
    • http://xiixmcuin.linkpc.net/9200208203207204/The-Poems-of-Marianne-Moore-by-Marianne-Moore.pdf
    • http://xiixmcuin.linkpc.net/3209209208207201/Roots-of-Empathy-Changing-the-World-Child-by-Child-by-Mary-Gordon.pdf
    • http://xiixmcuin.linkpc.net/2202207200201/Child-of-My-Child-Poems-and-Stories-for-Grandparents-by-Sandi-Gelles-Cole.pdf

Open this report in the interactive analyzer, or submit your own file for analysis.