Malicious PDF — malware analysis report

Static analysis result for SHA-256 a091f5bf35837894…

MALICIOUS

PDF

29.7 KB Created: 2019-05-01 17:59:01 +01:00 Authoring application: mPDF 5.7
MD5: f6de9554f08599de952145c0c3e05fa6 SHA-1: c4104b02b1e4b3be5d2274bd223e59d5982510da SHA-256: a091f5bf35837894ea55b940928489f1d2223c5bef9aa72c79420472695528df
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF file contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic. These URLs point to various book titles hosted on loaminoo.linkpc.net, suggesting a link farm or SEO poisoning tactic. 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 0.9899

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/4092096092097092/Chicken-Soup-for-the-Baseball-Fan-s-Soul-Inspirational-Stories-of-Baseball-Big-League-Dreams-and-the-Game-of-Life-by-Jack-Canfield.pdf
    • http://loaminoo.linkpc.net/3098091094097099/Chicken-Soup-For-The-Horse-Lover-s-Soul-Inspirational-Stories-About-Horses-and-the-People-Who-Love-Them-by-Jack-Canfield.pdf
    • http://loaminoo.linkpc.net/5090098090094/Chicken-Soup-for-the-Soul-Miracles-Happen-101-Inspirational-Stories-about-Hope-Answered-Prayers-and-Divine-Intervention-by-Jack-Canfield.pdf
    • http://loaminoo.linkpc.net/2095095093093098/Chicken-Soup-for-the-Father-and-Daughter-Soul-Stories-to-Celebrate-the-Love-Between-Dads-and-Daughters-Throughout-the-Years-Chicken-Soup-for-the-Soul-by-Jack-Canfield.pdf
    • http://loaminoo.linkpc.net/8098099094094/Chicken-Soup-for-the-Teenage-Soul-IV-Stories-of-Life-Love-and-Learning-by-Jack-Canfield.pdf
    • http://loaminoo.linkpc.net/8099094090093/Chicken-Soup-for-the-Teenage-Soul-III-More-Stories-of-Life-Love-and-Learning-by-Jack-Canfield.pdf
    • http://loaminoo.linkpc.net/4096095096097091/Chicken-Soup-for-the-Horse-Lover-s-Soul-II-Inspirational-Tales-of-Passion-Achievement-and-Devotion-by-Jack-Canfield.pdf
    • http://loaminoo.linkpc.net/1091091091095098/Chicken-Soup-for-the-Tea-Lover-s-Soul-Stories-Steeped-in-Comfort-by-Jack-Canfield.pdf
    • http://loaminoo.linkpc.net/4091095091091091/Chicken-Soup-Teenage-Trilogy-Chicken-Soup-for-the-Soul-by-Jack-Canfield.pdf
    • http://loaminoo.linkpc.net/4091095091090098/Chicken-Soup-for-Every-Mom-s-Soul-101-New-Stories-of-Love-and-Inspiration-for-Moms-of-All-Ages-by-Jack-Canfield.pdf
    • http://loaminoo.linkpc.net/6091097098098/Chicken-Soup-for-the-Soul-Just-for-Teenagers-101-Stories-of-Inspiration-and-Support-for-Teens-by-Jack-Canfield.pdf
    • http://loaminoo.linkpc.net/1098094097090096/Chicken-Soup-for-the-Soul-101-Stories-to-Open-the-Heart-and-Rekindle-the-Spirit-by-Jack-Canfield.pdf
    • http://loaminoo.linkpc.net/4091095091092098/Chicken-Soup-for-the-Bride-s-Soul-Stories-of-Love-Laughter-and-Commitment-to-Last-a-Lifetime-by-Jack-Canfield.pdf
    • http://loaminoo.linkpc.net/4091095091091096/Chicken-Soup-for-the-NASCAR-Soul-Stories-of-Courage-Speed-and-Overcoming-Adversity-by-Jack-Canfield.pdf
    • http://loaminoo.linkpc.net/2093097093098096/Chicken-Soup-for-the-Nurse-s-Soul-Second-Dose-More-Stories-to-Honor-and-Inspire-Nurses-by-Jack-Canfield.pdf
    • http://loaminoo.linkpc.net/7093099098097/A-3rd-Serving-of-Chicken-Soup-for-the-Soul-101-More-Stories-To-Open-the-Heart-and-Rekindle-the-Spirit-by-Jack-Canfield.pdf
    • http://loaminoo.linkpc.net/3091096095096095/Chicken-Soup-for-the-Cat-Lover-s-Soul-Stories-of-Feline-Affection-Mystery-and-Charm-by-Jack-Canfield.pdf
    • http://loaminoo.linkpc.net/4091095091091094/Chicken-Soup-for-the-Sports-Fan-s-Soul-Stories-of-Insight-Inspiration-and-Laughter-in-the-World-of-Sport-by-Jack-Canfield.pdf
    • http://loaminoo.linkpc.net/3098095092095095/Chicken-Soup-for-the-Soul-the-Gift-of-Christmas-A-Special-Collection-of-Joyful-Holiday-Stories-by-Jack-Canfield.pdf
    • http://loaminoo.linkpc.net/3098095092096091/A-Chicken-Soup-for-the-Soul-Christmas-by-Jack-Canfield.pdf
    • http://loaminoo.linkpc.net/2095095093093098/Chicken-Soup-for-the-Father-and-Daughter-Soul-Stories-to-Celebrate-the-Love-Between-Dads-and-Daughters-Throughout-the-Years-Chicken-Soup-for-the-Sou

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