Malicious PDF — malware analysis report

Static analysis result for SHA-256 e3948d4bfce20d1a…

MALICIOUS

PDF

24.8 KB Created: 2019-05-01 17:05:40 +01:00 Authoring application: mPDF 5.7
MD5: 35c7eafb83199672c2909d5306054f43 SHA-1: fbb40e28754970fec3b6aff42c918b8a639562fd SHA-256: e3948d4bfce20d1af744809b8f9c299d4f308959bc0deae55757d7e65ad4be06
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The ML classifier also strongly flagged this PDF as malicious. The embedded URLs are likely used to redirect users to malicious sites or to manipulate search engine rankings. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9901

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://kiteeearpdf.myhome.cx/4f210f218f219f212f214/Bluestockings-The-Remarkable-Story-of-the-First-Women-to-Fight-for-an-Education-by-Jane-Robinson.pdf
    • http://kiteeearpdf.myhome.cx/1f210f215f212f215f211/A-Bold-and-Dangerous-Family-The-Remarkable-Story-of-an-Italian-Mother-Her-Two-Sons-and-Their-Fight-Against-Fascism-by-Caroline-Moorehead.pdf
    • http://kiteeearpdf.myhome.cx/8f212f210f210f213f213/Freedom-from-Want-The-Remarkable-Success-Story-of-BRAC-the-Global-Grassroots-Organization-That-s-Winning-the-Fight-Against-Poverty-by-Ian-Smillie.pdf
    • http://kiteeearpdf.myhome.cx/2f219f217f215f216f218/Women-Who-Love-Books-Too-Much-Bibliophiles-Bluestockings-amp-Prolific-Pens-from-the-Algonquin-Hotel-to-the-YA-YA-Sisterhood-by-Brenda-Knight.pdf
    • http://kiteeearpdf.myhome.cx/5f214f211f212f216/The-Education-of-Caroline-The-Education-of-2-by-Jane-Harvey-Berrick.pdf
    • http://kiteeearpdf.myhome.cx/4f211f210f211f218f213/A-Good-Clean-Fight-by-Derek-Robinson.pdf
    • http://kiteeearpdf.myhome.cx/8f210f213f215f218/More-than-Petticoats-Remarkable-Nevada-Women-by-Jan-Cleere.pdf
    • http://kiteeearpdf.myhome.cx/4f211f213f213f219/This-I-Believe-The-Personal-Philosophies-of-Remarkable-Men-and-Women-by-Jay-Allison.pdf
    • http://kiteeearpdf.myhome.cx/5f210f213f218f210f215/Creative-Schools-The-Grassroots-Revolution-That-s-Transforming-Education-by-Ken-Robinson.pdf
    • http://kiteeearpdf.myhome.cx/4f217f214f212f217f210/World-War-2-History-s-10-Most-Incredible-Women-World-War-II-True-Accounts-Of-Remarkable-Women-Heroes-WWII-history-WW2-War-books-world-war-2-books-war-history-World-war-2-women-by-Stephanie-T-McRae.pdf
    • http://kiteeearpdf.myhome.cx/6f213f215f213f210f217/The-Education-Of-Robinson-Crusoe-A-Study-Of-Vendredi-Ou-La-Vie-Sauvage-By-Michel-Tournier-by-F-J-Fornasiero.pdf
    • http://kiteeearpdf.myhome.cx/2f213f219f211f214f217/Remarkable-Minds-17-More-Pioneering-Women-in-Science-and-Medicine-by-Pendred-Noyce.pdf
    • http://kiteeearpdf.myhome.cx/7f213f219f213f217f218/How-Remarkable-Women-Lead-The-Breakthrough-Model-for-Work-and-Life-by-Joanna-Barsh.pdf
    • http://kiteeearpdf.myhome.cx/7f213f216f216f213f212/Cat-Fight-Jane-Yellowrock-9-1-by-Faith-Hunter.pdf
    • http://kiteeearpdf.myhome.cx/5f216f212f214f215f214/L-ducation-de-Jane-by-Charlotte-Featherstone.pdf
    • http://kiteeearpdf.myhome.cx/5f211f219f217f213f216/No-Coward-Soul-The-Remarkable-Story-Of-Bob-Appleyard-by-Stephen-Chalke.pdf
    • http://kiteeearpdf.myhome.cx/4f210f211f218f218/Wesley-the-Owl-The-Remarkable-Love-Story-of-an-Owl-and-His-Girl-by-Stacey-O-39-Brien.pdf
    • http://kiteeearpdf.myhome.cx/1f210f211f216f210f214f215/Daughters-of-the-Union-Northern-Women-Fight-the-Civil-War-by-Nina-Silber.pdf
    • http://kiteeearpdf.myhome.cx/9f211f214f216f216f218/Su-rez-The-Remarkable-Story-Behind-Football-s-Most-Explosive-Talent-by-Luca-Caioli.pdf
    • http://kiteeearpdf.myhome.cx/4f217f210f211f216f217/The-War-on-Choice-The-Right-Wing-Attack-on-Women-s-Rights-and-How-to-Fight-Back-by-Gloria-Feldt.pdf
    • http://kiteeearpdf.myhome.cx/2f219f217f215f216f218/Wom

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