Malicious PDF — malware analysis report

Static analysis result for SHA-256 1605e0967147e024…

MALICIOUS

PDF

18.6 KB Created: 2019-11-09 22:07:49 +00:00 Authoring application: mPDF 5.7
MD5: 36455b1ca52a49e30497410f4fe90b2e SHA-1: fec0f1754332c7c5148ef8bf45bd7014f8e55865 SHA-256: 1605e0967147e024ac74b79bb149fddac1215b149ee35b61d1b1740f00b9a9c2
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files, a technique often used for SEO manipulation or to distribute further malicious content. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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/4731738733738739/Color-Me-by-Blaine-D-Arden.pdf
    • http://cefasfese.4pu.com/1731731735736731736/The-Forester-Forester-Triad-Act-One-Tales-of-the-Forest-1-by-Blaine-D-Arden.pdf
    • http://cefasfese.4pu.com/8735731734738738/Jann-Arden-Greatest-Hurts-The-Best-of-Jann-Arden-by-Jann-Arden.pdf
    • http://cefasfese.4pu.com/5737738734737733/Evan-Arden-The-Complete-Boxed-Set-Evan-Arden-1-5-by-Shay-Savage.pdf
    • http://cefasfese.4pu.com/4731735736738738/Living-Color-The-Biological-and-Social-Meaning-of-Skin-Color-by-Nina-G-Jablonski.pdf
    • http://cefasfese.4pu.com/6735735734738730/The-Art-of-Color-The-Subjective-Experience-and-Objective-Rationale-of-Color-by-Johannes-Itten.pdf
    • http://cefasfese.4pu.com/1736739730738730/The-Color-of-Destiny-The-Color-of-Heaven-Series-2-by-Julianne-MacLean.pdf
    • http://cefasfese.4pu.com/6737738738730739/Color-Lab-for-Mixed-Media-Artists-52-Exercises-for-Exploring-Color-Concepts-through-Paint-Collage-Paper-and-More-by-Deborah-Forman.pdf
    • http://cefasfese.4pu.com/9731738731738739/Color-Psychology-and-Color-Therapy-by-Faber-Birren.pdf
    • http://cefasfese.4pu.com/1731733733731/The-Color-of-a-Promise-The-Color-of-Heaven-11-by-Julianne-MacLean.pdf
    • http://cefasfese.4pu.com/4735733736735731/Color-of-Loneliness-Color-1-by-Madeleine-Beckett.pdf
    • http://cefasfese.4pu.com/1734735736732730/Color-of-Forgiveness-Color-2-by-Madeleine-Beckett.pdf
    • http://cefasfese.4pu.com/1734738739736731/Color-of-Loneliness-Color-1-by-Madeleine-Beckett.pdf
    • http://cefasfese.4pu.com/7731730733739735/Color-by-Number-Flowers-30-fun-amp-relaxing-color-by-number-projects-to-engage-amp-entertain-by-Walter-Foster-Creative-Team.pdf
    • http://cefasfese.4pu.com/7731730733739733/Color-by-Number-Mandalas-30-fun-amp-relaxing-color-by-number-projects-to-engage-amp-entertain-by-Walter-Foster-Creative-Team.pdf
    • http://cefasfese.4pu.com/3738737738733738/Absence-of-Color-Spectrum-of-Color-1-by-S-K-Wee.pdf
    • http://cefasfese.4pu.com/5734738738734739/The-Beauty-of-Color-The-Ultimate-Beauty-Guide-for-Skin-of-Color-by-Iman.pdf
    • http://cefasfese.4pu.com/6730731737738738/-COLOR-BIBLE-Ao-no-Futsumashi-Color-Bible-by-Kazue-Kato.pdf
    • http://cefasfese.4pu.com/3732735730739735/The-Windwalker-by-Blaine-M-Yorgason.pdf
    • http://cefasfese.4pu.com/1731739737736739736/Aquapocalypse-by-Blaine-T-Zaid.pdf

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