Malicious PDF — malware analysis report

Static analysis result for SHA-256 1c972f8e381b77b2…

MALICIOUS

PDF

14.6 KB Created: 2019-04-30 04:58:57 +01:00 Authoring application: mPDF 5.7
MD5: 9923b3c7ef3a59dc452dbfcc44c220a0 SHA-1: 709871bb4f6e4cc1b2e1d87bf356f73452fa2a07 SHA-256: 1c972f8e381b77b2da42ab95aa0a41db4dfe780428813441c79f6c13b422f80b
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic. These links, such as http://loaminoo.linkpc.net/5099099094090095/On-the-Shores-of-Eternity-Poems-from-Tagore-on-Immortality-and-Beyond-by-Rabindranath-Tagore.pdf, are likely intended to redirect users to malicious sites or initiate further downloads. The ML classifier also strongly indicated maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9891

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/5099099094090095/On-the-Shores-of-Eternity-Poems-from-Tagore-on-Immortality-and-Beyond-by-Rabindranath-Tagore.pdf
    • http://loaminoo.linkpc.net/5099099092090098/Collected-Poems-and-Plays-of-Rabindranath-Tagore-by-Rabindranath-Tagore.pdf
    • http://loaminoo.linkpc.net/1091092090094095096/Chitra-Tagore-Dramma-in-un-atto-by-Rabindranath-Tagore.pdf
    • http://loaminoo.linkpc.net/6098094092091091/Great-Works-of-Rabindranath-Tagore-by-Rabindranath-Tagore.pdf
    • http://loaminoo.linkpc.net/5099099092095095/Selected-Letters-of-Rabindranath-Tagore-by-Rabindranath-Tagore.pdf
    • http://loaminoo.linkpc.net/5099099092095096/The-Heart-of-God-Prayers-of-Rabindranath-Tagore-by-Rabindranath-Tagore.pdf
    • http://loaminoo.linkpc.net/4094099095097099/Poems-by-Rabindranath-Tagore.pdf
    • http://loaminoo.linkpc.net/6098094092090099/I-Won-t-Let-You-Go-Selected-Poems-by-Rabindranath-Tagore.pdf
    • http://loaminoo.linkpc.net/8099094096098/Selected-Poems-by-Rabindranath-Tagore.pdf
    • http://loaminoo.linkpc.net/3095091092090091/Final-Poems-by-Rabindranath-Tagore.pdf
    • http://loaminoo.linkpc.net/5099099094090096/Quotes-From-Tagore-by-Rabindranath-Tagore.pdf
    • http://loaminoo.linkpc.net/5099099091098095/The-Essential-Tagore-by-Rabindranath-Tagore.pdf
    • http://loaminoo.linkpc.net/1099098091095093/Stories-from-Tagore-by-Rabindranath-Tagore.pdf
    • http://loaminoo.linkpc.net/5099099091098094/The-Best-of-Tagore-by-Rabindranath-Tagore.pdf
    • http://loaminoo.linkpc.net/5099099093091092/Four-Chapters-by-Rabindranath-Tagore.pdf
    • http://loaminoo.linkpc.net/9090090094095099/Kabuliwala-by-Rabindranath-Tagore.pdf
    • http://loaminoo.linkpc.net/4091097092093091/Sadhana-by-Rabindranath-Tagore.pdf
    • http://loaminoo.linkpc.net/5099099094090090/Grandfather-by-Rabindranath-Tagore.pdf
    • http://loaminoo.linkpc.net/4091090091092096/Gora-by-Rabindranath-Tagore.pdf
    • http://loaminoo.linkpc.net/1093098090090090/The-Religion-of-Man-by-Rabindranath-Tagore.pdf
    • http://loaminoo.linkpc.net/5099099092095096/The-Heart-of-God-Prayers-of-Rabindranath-Tagore-b

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