Malicious PDF — malware analysis report

Static analysis result for SHA-256 625725707c62d88d…

MALICIOUS

PDF

31.7 KB Created: 2019-11-07 12:52:46 +00:00 Authoring application: mPDF 5.7
MD5: e41cc4689fee10eeeb2a1200db0598cc SHA-1: 934c90ffd808e152cbe022e5efa4a98119f1b627 SHA-256: 625725707c62d88d8f091d38c3ec8611133eb6468e69ecc13c1ad0dad93d9e6b
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, flagged as a 'PDF_SEO_LINK_FARM' heuristic. While the document body is heavily obfuscated, the presence of numerous links suggests an attempt to manipulate search engine results or redirect users to potentially malicious content. The ML classifier also strongly indicated maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9670

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/3733732732736731/50-Things-to-Know-About-Living-a-Vegetarian-Lifestyle-by-Lisa-M-Rusczyk.pdf
    • http://cefasfese.4pu.com/3737735733732730/50-Things-To-Know-To-Stick-With-A-Workout-Motivational-Tips-To-Start-The-New-You-Today-50-Things-to-Know-Healthy-Living-Series-Book-4-by-Lisa-M-Rusczyk.pdf
    • http://cefasfese.4pu.com/1739737732734734/50-Things-to-Know-to-Self-Publish-a-Book-on-Amazon-by-Lisa-M-Rusczyk.pdf
    • http://cefasfese.4pu.com/3734733736730733/50-Things-to-Know-About-Surviving-the-First-Year-of-Parenthood-Simple-Advice-for-New-Parents-by-Lisa-M-Rusczyk.pdf
    • http://cefasfese.4pu.com/1739737730736739/50-Things-to-Know-Before-Graduating-from-College--A-Survival-Guide-To-Life-After-College-by-Lisa-M-Rusczyk.pdf
    • http://cefasfese.4pu.com/6737737731737/Vegetarian-Weight-Loss-Diet---Healthy-Low-Fat-Lifestyle-Vegetarian-Diet-Cookbooks-Recipes-Collection-by-Jonathan-Vine.pdf
    • http://cefasfese.4pu.com/4736730737/The-Complete-Ketogenic-Diet-for-Beginners-Your-Essential-Guide-to-Living-the-Keto-Lifestyle-by-Amy-Ramos.pdf
    • http://cefasfese.4pu.com/9735733731734730/Healthy-Living-with-Diabetes-Easy-Diabetic-Recipes-and-Lifestyle-Solutions-by-Jayne-Tancred.pdf
    • http://cefasfese.4pu.com/7730731733732731/Vegetarian-Polony-by-Lisa-Van-der-Wielen.pdf
    • http://cefasfese.4pu.com/8736733733730730/Vegan-Vegan-Diet-for-Beginners-25-Amazingly-Delicious-Healthy-Recipes-For-Breakfast-Lunch-And-Dinner-To-Start-Your-Vegan-Lifestyle-Vegan-Vegetarian-cooking-low-fat-high-carb-recipes-Book-1-by-Batya-Anderson.pdf
    • http://cefasfese.4pu.com/1738735730735738/Charlie-The-Cavalier-Begs-for-Attention-Rhyming-Bedtime-Story-Picture-Book-for-Beginner-Readers-and-Early-Learning-About-Feeling-Safe-When-Loved-Ones-Puppet-Charlie-the-Cavalier-Books-1-by-Lisa-M-Rusczyk.pdf
    • http://cefasfese.4pu.com/1733735736739736/Love-Soup-160-All-New-Vegetarian-Recipes-from-the-Author-of-The-Vegetarian-Epicure-by-Anna-Thomas.pdf
    • http://cefasfese.4pu.com/1738733732732739/Vegetarian-Bodybuilding-Vegetarian-and-Vegan-tips-for-Health-amp-Fitness-by-Ben-Gfrorer.pdf
    • http://cefasfese.4pu.com/3730739737730738/Kitchen-Classics-Gourmet-Vegetarian-The-Vegetarian-Recipes-You-Must-Have-by-Jane-Price.pdf
    • http://cefasfese.4pu.com/1738733732735734/Vegetarian-Everyday-Vegetarian-50-Delicious-Recipes-by-Anna-Scott.pdf
    • http://cefasfese.4pu.com/1730730730737732738/How-To-Cook-Incredible-Vegetarian-BreakFast-Fast-Easy-And-Delicious-Vegetarian-Recipes-Happy-Herbivore-Book-1-by-Ashley-Etuken.pdf
    • http://cefasfese.4pu.com/6730739733734739/BUYING-FLORIDA-REAL-ESTATE-Your-Guide-to-Florida-Property-Investment-for-Global-Buyers-Owning-Investing-and-Enjoying-the-Florida-Lifestyle-by-Lisa-and-Lee-Mirman.pdf
    • http://cefasfese.4pu.com/6730739733734738/Your-Guide-to-Florida-Property-Investment-for-Global-Buyers-Owning-Investing-and-Enjoying-the-Florida-Lifestyle-Buying-Florida-Real-Estate-Book-1-by-Lisa-and-Lee-Mirman.pdf
    • http://cefasfese.4pu.com/1730730737731737/Things-No-One-Will-Tell-Fat-Girls-A-Handbook-for-Unapologetic-Living-by-Jes-Baker.pdf
    • http://cefasfese.4pu.com/1730733735731738731/Aristotle-on-Nature-and-Living-Things-by-Allan-Gotthelf.pdf

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