Malicious PDF — malware analysis report

Static analysis result for SHA-256 38078f1a44409ec0…

MALICIOUS

PDF

13.1 KB Created: 2019-04-30 18:48:41 +01:00 Authoring application: mPDF 5.7
MD5: e7623699cba53d4b54f68f7c105ddfa2 SHA-1: 71942a58eee60b6682989a1c1b7d7b4798037340 SHA-256: 38078f1a44409ec046b957a4e31ef2ab3501f66ba4fdde8679e7d9e1ccee43e3
90 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs, identified as a link farm, which are likely intended to direct users to malicious content. The ML classifier also flagged this PDF as malicious. The primary attack pattern involves social engineering through deceptive links, potentially leading to further malware downloads or phishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9006

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://xiixmcuin.linkpc.net/1203200207209208/Phantom-Evil-Krewe-of-Hunters-1-by-Heather-Graham.pdf
    • http://xiixmcuin.linkpc.net/2201207209207201/The-Evil-Inside-Krewe-of-Hunters-4-by-Heather-Graham.pdf
    • http://xiixmcuin.linkpc.net/2203204206204203/Heart-of-Evil-Krewe-of-Hunters-2-by-Heather-Graham.pdf
    • http://xiixmcuin.linkpc.net/2209206202208205/Sacred-Evil-Krewe-of-Hunters-3-by-Heather-Graham.pdf
    • http://xiixmcuin.linkpc.net/2208204203206203/The-Unspoken-Krewe-of-Hunters-7-by-Heather-Graham.pdf
    • http://xiixmcuin.linkpc.net/7203208208204208/Dark-Rites-Krewe-of-Hunters-22-by-Heather-Graham.pdf
    • http://xiixmcuin.linkpc.net/3203207201202204/Dying-Breath-Krewe-of-Hunters-21-by-Heather-Graham.pdf
    • http://xiixmcuin.linkpc.net/5202209201209207/Myst-re-en-eaux-profondes-T7---Krewe-of-Hunters-by-Heather-Graham.pdf
    • http://xiixmcuin.linkpc.net/7207205208201203/Dangereux-faux-semblants-Krewe-of-Hunters-6-by-Heather-Graham.pdf
    • http://xiixmcuin.linkpc.net/1200207200208208205/Hallow-Be-the-Haunt-Krewe-of-Hunters-22-5-1001-Dark-Nights-69-by-Heather-Graham.pdf
    • http://xiixmcuin.linkpc.net/6202201201203/The-Phantom-King-The-Kings-2-by-Heather-Killough-Walden.pdf
    • http://xiixmcuin.linkpc.net/2200202208209208/Married-to-a-Mistress-The-Husband-Hunters-1-by-Lynne-Graham.pdf
    • http://xiixmcuin.linkpc.net/7205202204207/Picture-of-Evil-by-Graham-Masterton.pdf
    • http://xiixmcuin.linkpc.net/1202200208200/Suspicious-by-Heather-Graham.pdf
    • http://xiixmcuin.linkpc.net/9206209206205202/The-Rising-by-Heather-Graham.pdf
    • http://xiixmcuin.linkpc.net/5202208203209200/Serena-s-Magic-by-Heather-Graham.pdf
    • http://xiixmcuin.linkpc.net/3209202204209201/Let-the-Dead-Sleep-by-Heather-Graham.pdf
    • http://xiixmcuin.linkpc.net/9201204207201/Tempestuous-Eden-by-Heather-Graham.pdf
    • http://xiixmcuin.linkpc.net/6208208206209204/Grave-Danger-by-Heather-Graham.pdf
    • http://xiixmcuin.linkpc.net/4203201209203206/Picture-Me-Dead-by-Heather-Graham.pdf
    • http://xiixmcuin.linkpc.net/2

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