Malicious PDF — malware analysis report

Static analysis result for SHA-256 c33d6379cff1a852…

MALICIOUS

PDF

27.0 KB Created: 2019-05-02 06:14:34 +01:00 Authoring application: mPDF 5.7
MD5: ecba81596be5b76cd1122f024960f19b SHA-1: 2d48c407e0a504fa909469fbfa6d1225e4520de0 SHA-256: c33d6379cff1a8526826225af6132df24e7fa622d1a76e86e84eb306c05faaed
90 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDFs hosted on the domain 'cefasfese.4pu.com'. This is indicative of a link farm, often used for SEO manipulation or to distribute malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted from this sample, and the document body was unreadable.

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/3736734739735738/Pomeranian-An-Owner-s-Guide-to-a-Happy-Healthy-Pet-by-Happeth-A-Jones.pdf
    • http://cefasfese.4pu.com/5739735733731737/Chow-Chow-An-Owner-s-Guide-to-a-Happy-Healthy-Pet-by-Paulett-Braun.pdf
    • http://cefasfese.4pu.com/2732738732732730/YOU-Having-a-Baby-The-Owner-s-Manual-to-a-Happy-and-Healthy-Pregnancy-by-Michael-F-Roizen.pdf
    • http://cefasfese.4pu.com/8732737732730734/Chicken-Tractor-The-Permaculture-Guide-to-Happy-Hens-and-Healthy-Soil-by-Andrew-W-Lee.pdf
    • http://cefasfese.4pu.com/8731732734732739/Gluten-Free-Living-Healthy-Recipe-Book-Leading-the-Way-to-Happy-Healthy-Life-by-Vesco-Inc.pdf
    • http://cefasfese.4pu.com/3739739735738736/Strong-As-a-Mother-How-to-Stay-Healthy-Happy-and-Most-Importantly-Sane-from-Pregnancy-to-Parenthood-The-Only-Guide-to-Taking-Care-of-YOU-by-Kate-Rope.pdf
    • http://cefasfese.4pu.com/3733731730732737/How-to-Raise-Children-Successfully-A-Guide-to-Raising-Healthy-Happy-and-Rounded-Children-by-Wayne-Evans.pdf
    • http://cefasfese.4pu.com/4738738738739730/11-Things-You-Must-Do-Right-To-Keep-Your-Dog-Healthy-and-Happy-by-Michele-Welton.pdf
    • http://cefasfese.4pu.com/6736730735734/Love-Your-Life-Living-Happy-Healthy-and-Whole-by-Victoria-Osteen.pdf
    • http://cefasfese.4pu.com/7734737734736738/Think-Dog-An-owner-s-guide-to-canine-psychology-by-John-Fisher.pdf
    • http://cefasfese.4pu.com/7733736734730730/Healthy-Sexy-Happy-A-Thrilling-Journey-to-the-Ultimate-You-by-Nancy-Deville.pdf
    • http://cefasfese.4pu.com/5735733730731737/IT-Free-Fall-The-Business-Owner-s-Guide-to-Avoiding-Technology-Pitfalls-by-Nick-Bernfeld.pdf
    • http://cefasfese.4pu.com/7735731730736732/The-Complete-Book-of-Boating-An-Owner-s-Guide-to-Design-Construction-Piloting-Operation-and-Maintenance-by-Ernest-A-Zadig.pdf
    • http://cefasfese.4pu.com/8739732733738735/Breasts-The-Owner-s-Manual-Every-Woman-s-Guide-to-Reducing-Cancer-Risk-Making-Treatment-Choices-and-Optimizing-Outcomes-by-Kristi-Funk.pdf
    • http://cefasfese.4pu.com/2735736739736732/The-Startup-Owner-s-Manual-The-Step-By-Step-Guide-for-Building-a-Great-Company-by-Steve-Blank.pdf
    • http://cefasfese.4pu.com/3733739734737734/French-Kids-Eat-Everything-How-Our-Family-Moved-to-France-Cured-Picky-Eating-Banned-Snacking-and-Discovered-10-Simple-Rules-for-Raising-Happy-Healthy-Eaters-by-Karen-Le-Billon.pdf
    • http://cefasfese.4pu.com/1735738731731734/Hard-Aground-with-Eddie-Jones-Another-Incomplete-Idiot-s-Guide-to-Doing-Stupid-Stuff-with-Boats-by-Eddie-Jones.pdf
    • http://cefasfese.4pu.com/3739739735738731/Mayo-Clinic-Guide-to-a-Healthy-Pregnancy-by-Roger-Harms.pdf
    • http://cefasfese.4pu.com/4731733735739739/Beyond-Engagement-A-Guide-to-Building-Healthy-and-Successful-Organizations-by-Tim-Schneider.pdf
    • http://cefasfese.4pu.com/7731735737730730/Healthy-Together-A-Couple-s-Guide-To-Midlife-Wellness-by-Christine-Langlois.pdf
    • http://cefasfese.4pu.com/3739739735738736/Strong-As-a-Mother-How-to-Stay-Healthy-Happy-and-Most-Importantly-Sane-from-Pr

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