Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d2df6995892bae8…

MALICIOUS

PDF

28.0 KB Created: 2019-05-07 06:21:52 +01:00 Authoring application: mPDF 5.7
MD5: 04ed624be7b0a5458b0b23001bd56624 SHA-1: 0d2e3740c70aa7b5db8523d22ecc1f95c0cc7584 SHA-256: 9d2df6995892bae831fc0dfaed9efca85983fda7f0280db44ac90d8e06ac3e63
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links to external websites, as indicated by the PDF_SEO_LINK_FARM heuristic. While many of these URLs were labeled as confirmed benign, the sheer volume and the ML_NYX_PDF_MALICIOUS classification suggest a malicious intent. The document body, though heavily obfuscated, contains numerous instances of these URLs, reinforcing the attack pattern of directing users to external resources. The primary goal appears to be SEO manipulation or potentially hosting further malicious content on these linked sites.

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/6733733730739/Summary-of-Capital-in-the-Twenty-First-Century-by-Thomas-Piketty-Includes-Analysis-by-Elite-Summaries.pdf
    • http://cefasfese.4pu.com/1730733739739737/Summary-of-A-New-Earth-by-Eckhart-Tolle-Includes-Analysis-by-Elite-Summaries.pdf
    • http://cefasfese.4pu.com/8733737733734/Summary-of-Getting-Things-Done-by-David-Allen-Includes-Analysis-by-Elite-Summaries.pdf
    • http://cefasfese.4pu.com/8731738732731/Summary-of-Contagious-by-Jonah-Berger-Includes-Analysis-by-Elite-Summaries.pdf
    • http://cefasfese.4pu.com/1730734730733736/Summary-of-Between-the-World-and-Me-by-Ta-Nehisi-Coates-Includes-Analysis-by-Elite-Summaries.pdf
    • http://cefasfese.4pu.com/5735738730734/Summary-of-Essentialism-by-Greg-McKeown-Includes-Analysis-by-Elite-Summaries.pdf
    • http://cefasfese.4pu.com/1730734737732733/Summary-of-Pretty-Girls-by-Karin-Slaughter-Includes-Analysis-by-Elite-Summaries.pdf
    • http://cefasfese.4pu.com/7730737739736/Summary-of-The-48-Laws-of-Power-by-Robert-Greene-Includes-Analysis-by-Elite-Summaries.pdf
    • http://cefasfese.4pu.com/8734732736730/Summary-of-The-Purpose-Driven-Life-by-Rick-Warren-Includes-Analysis-by-Elite-Summaries.pdf
    • http://cefasfese.4pu.com/7733737733739/Start-With-Why-by-Simon-Sinek-Summary-amp-Analysis-by-Elite-Summaries.pdf
    • http://cefasfese.4pu.com/9735732730736735/Summary-of-Lab-Girl-by-Hope-Jahren-Includes-Analysis-by-Instaread-Summaries.pdf
    • http://cefasfese.4pu.com/7731738738734/The-Devil-in-the-White-City-by-Erik-Larson-Summary-amp-Analysis-by-Elite-Summaries.pdf
    • http://cefasfese.4pu.com/5732734730735736/Fear-and-Trembling-by-Am-lie-Nothomb-Book-Analysis-Detailed-Summary-Analysis-and-Reading-Guide-BrightSummaries-com-by-Bright-Summaries.pdf
    • http://cefasfese.4pu.com/5733730734734738/Hunting-and-Gathering-by-Anna-Gavalda-Book-Analysis-Detailed-Summary-Analysis-and-Reading-Guide-BrightSummaries-com-by-Bright-Summaries.pdf
    • http://cefasfese.4pu.com/6730735735736739/What-the-Day-Owes-the-Night-by-Yasmina-Khadra-Book-Analysis-Detailed-Summary-Analysis-and-Reading-Guide-BrightSummaries-com-by-Bright-Summaries.pdf
    • http://cefasfese.4pu.com/6733737730736733/The-Elegance-of-the-Hedgehog-by-Muriel-Barbery-Book-Analysis-Detailed-Summary-Analysis-and-Reading-Guide-BrightSummaries-com-by-Bright-Summaries.pdf
    • http://cefasfese.4pu.com/7733738733731730/Perfume-The-Story-of-a-Murderer-by-Patrick-S-skind-Book-Analysis-Detailed-Summary-Analysis-and-Reading-Guide-BrightSummaries-com-by-Bright-Summaries.pdf
    • http://cefasfese.4pu.com/5738731738735735/The-Truth-About-the-Harry-Quebert-Affair-by-Jo-l-Dicker-Book-Analysis-Detailed-Summary-Analysis-and-Reading-Guide-BrightSummaries-com-by-Bright-Summaries.pdf
    • http://cefasfese.4pu.com/1730735732731733/The-Rosie-Project-A-Novel-Book-Summary-by-Elite-Summaries.pdf
    • http://cefasfese.4pu.com/7738732731739737/The-Extraordinary-Journey-of-the-Fakir-Who-Got-Trapped-in-an-Ikea-Wardrobe-by-Romain-Pu-rtolas-Book-Analysis-Detailed-Summary-Analysis-and-Reading-Guide-BrightSummaries-com-by-Bright-Summaries.pdf
    • http://cefasfese.4pu.com/7730737739736/Summary-

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