Malicious PDF — malware analysis report

Static analysis result for SHA-256 78b5f2c491bcccfe…

MALICIOUS

PDF

29.1 KB Created: 2019-04-30 02:00:02 +01:00 Authoring application: mPDF 5.7
MD5: 74a3c3609a6dadd995589775b6f536e8 SHA-1: f09dbefe0b765811d831ba0ade8ad25194e5b5b6 SHA-256: 78b5f2c491bcccfed5d12c7f5a946a1f2e09c36c04cc984b4c4bd0e51a017c02
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, which are presented as book downloads. The ML_NYX_PDF_MALICIOUS heuristic also flagged the document as malicious. The primary attack pattern involves social engineering users to click these links, which likely lead to malicious content or further compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9892

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://loaminoo.linkpc.net/8092096099093095/Permaculture-Design-A-Step-by-Step-Guide-by-Aranya.pdf
    • http://loaminoo.linkpc.net/6094099094090098/Python-Programming-Step-by-Step-Guide-from-Beginners-to-Expert-by-ADRIEN-AIDA.pdf
    • http://loaminoo.linkpc.net/9095090099091096/Weber-s-Way-to-Grill-The-Step-by-Step-Guide-to-Expert-Grilling-by-Jamie-Purviance.pdf
    • http://loaminoo.linkpc.net/7092095097093097/How-You-Can-Start-and-Manage-Your-Own-Business-Complete-Step-By-Step-Guide-by-N-O-O-Ejiga.pdf
    • http://loaminoo.linkpc.net/9098097092090098/Research-Methodology-A-Step-By-Step-Guide-for-Beginners-by-Ranjit-Kumar.pdf
    • http://loaminoo.linkpc.net/9092092091091092/Your-First-1000-Copies-The-Step-by-Step-Guide-to-Marketing-Your-Book-by-Tim-Grahl.pdf
    • http://loaminoo.linkpc.net/4090099090094092/The-Master-Key-System-A-Wonderful-and-Rewarding-Step-By-Step-Guide-about-How-to-Get-Anything-You-Want-Out-of-Life-by-Charles-F-Haanel.pdf
    • http://loaminoo.linkpc.net/3099095098093097/Screenplay-The-Foundations-of-Screenwriting-A-step-by-step-guide-from-concept-to-finished-script-by-Syd-Field.pdf
    • http://loaminoo.linkpc.net/1091095093097091098/Secrets-of-a-Closet-Millionaire-A-Step-By-Step-Guide-to-Financial-Freedom-by-Michele-Ashby.pdf
    • http://loaminoo.linkpc.net/3090094094092098/The-Making-of-a-Hitter-A-Proven-and-Practical-Step-by-Step-Baseball-Guide-by-Jack-Perconte.pdf
    • http://loaminoo.linkpc.net/8099090092098096/The-Complete-Ketogenic-Diet-for-Beginners-The-Step-by-Step-Guide-to-Total-Health-by-Natalie-Kordon.pdf
    • http://loaminoo.linkpc.net/1097097097096099/Authority-Marketing-Manual-A-Step-By-Step-Guide-For-How-To-Turn-Your-Passion-Into-Profit-by-Rebekah-Welch.pdf
    • http://loaminoo.linkpc.net/2097095090092099/Write-Stop-Waiting-Start-Writing-A-Step-By-Step-Guide-to-Turn-What-You-Know-Into-a-Book-by-Cathy-Presland.pdf
    • http://loaminoo.linkpc.net/8091092091090096/Raising-Unicorns-Your-Step-by-Step-Guide-to-Starting-and-Running-a-Successful---and-Magical---Unicorn-Farm-by-Jessica-S-Marquis.pdf
    • http://loaminoo.linkpc.net/6091091099095099/VistaPrint-Website-Blog-Comment-Link-Removal-Guide-A-step-by-step-guide-to-get-rid-of-all-those-unwanted-hyperlinked-blog-comments-by-Christian-Maheux.pdf
    • http://loaminoo.linkpc.net/4098092099094092/How-to-Draw-and-Paint-Fairies-From-Finding-Inspiration-to-Capturing-Diaphanous-Detail-a-Step-By-Step-Guide-to-Fairy-Art-by-Linda-Ravenscroft.pdf
    • http://loaminoo.linkpc.net/1098093093092093/The-Plant-Based-Journey-A-Step-by-Step-Guide-for-Transitioning-to-a-Healthy-Lifestyle-and-Achieving-Your-Ideal-Weight-by-Lani-Muelrath.pdf
    • http://loaminoo.linkpc.net/1090090098091093093/How-to-Quit-Your-Job-with-Rental-Properties-A-Step-by-Step-Guide-to-UNLOCKING-Passive-Income-by-Investing-in-Real-Estate-by-Dustin-Heiner.pdf
    • http://loaminoo.linkpc.net/3092092091090095/The-Secret-Missing-Links-of-the-Law-of-Attraction-The-Habits-That-Keep-You-Poor-and-a-Step-by-Step-Guide-to-Conquer-Them-and-Get-the-Life-You-Rightly-Deserve-by-Wayne-Evans.pdf
    • http://loaminoo.linkpc.net/9098093095091095/The-Ultimate-Guide-For-Starting-an-Amazon-Kindle-Publishing-Business-Step-By-Step-Instructions-How-To-Publish-A-Book-Promote-It-And-Make-Sales-by-Liudas-Butkus.pdf

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