Malicious PDF — malware analysis report

Static analysis result for SHA-256 f9224d4a6d477a1b…

MALICIOUS

PDF

17.0 KB Created: 2019-05-04 13:52:45 +01:00 Authoring application: mPDF 5.7
MD5: 4fc9a11fd4a49132e116faf635e770f5 SHA-1: 63f9ab9ba640903fd158435b3bf0347b239fe356 SHA-256: f9224d4a6d477a1b76fbafea5ba590839bf530b30c5a491f885c0a5f1f03a474
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF document contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on xiixmcuin.linkpc.net. While the URLs themselves are currently marked as benign, the sheer volume and the nature of the heuristic suggest a potential attempt to overwhelm or mislead users, possibly as part of a larger phishing or content-distribution scheme. No scripts were extracted from this sample.

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/4201207207206206/Albert-of-Adelaide-by-Howard-L-Anderson.pdf
    • http://xiixmcuin.linkpc.net/1207209203208200/Albert-of-Adelaide-by-Howard-L-Anderson.pdf
    • http://xiixmcuin.linkpc.net/7205201209205208/The-Poems-of-Adelaide-A-Procter-by-Adelaide-Anne-Procter.pdf
    • http://xiixmcuin.linkpc.net/1200208203200206209/Albert-of-Aachen-s-History-of-the-Journey-to-Jerusalem-Volume-1-Books-1-6-the-First-Crusade-1095-1099-by-Albert-of-Aachen.pdf
    • http://xiixmcuin.linkpc.net/7205201209204209/On-Our-Own-Terms-by-Adelaide-Hipwell.pdf
    • http://xiixmcuin.linkpc.net/8200208206209208/Laboratory-Experiments-in-Metallurgy-by-Albert-Sauveur-and-H-M-Boylston-by-Albert-Sauveur.pdf
    • http://xiixmcuin.linkpc.net/3207203200204201/Whales-on-Stilts-M-T-Anderson-s-Thrilling-Tales-Pals-in-Peril-1-by-M-T-Anderson.pdf
    • http://xiixmcuin.linkpc.net/7205201209205201/Sweet-Adelaide-by-Julian-Symons.pdf
    • http://xiixmcuin.linkpc.net/7205202201202209/Adelaide-s-Adventure-by-Ursula-Grey.pdf
    • http://xiixmcuin.linkpc.net/7205202202207205/Adelaide-and-the-Night-Train-by-Liz-Rosenberg.pdf
    • http://xiixmcuin.linkpc.net/6208201209200205/Where-to-Ride-Adelaide-by-Gerri-Nelligan.pdf
    • http://xiixmcuin.linkpc.net/7205202202207208/Sir-Kevin-of-Devon-by-Adelaide-Holl.pdf
    • http://xiixmcuin.linkpc.net/3202200207207202/The-Teachings-of-Howard-W-Hunter-Fourteenth-President-of-the-Church-of-Jesus-Christ-of-Latter-Day-Saints-by-Howard-W-Hunter.pdf
    • http://xiixmcuin.linkpc.net/4200200205209201/Sylvester-The-Mouse-with-the-Musical-Ear-by-Adelaide-Holl.pdf
    • http://xiixmcuin.linkpc.net/7201206201209200/La-D-faite-de-D-Ad-la-de-Tome-III-by-Philippe-Rosenberger.pdf
    • http://xiixmcuin.linkpc.net/4203202201205206/First-Glance-The-Adelaide-Paige-Saga-1-by-L-L-Hunter.pdf
    • http://xiixmcuin.linkpc.net/7205201208208203/Scenes-from-Adelaide-Road-by-Helena-Stone.pdf
    • http://xiixmcuin.linkpc.net/7202204208208205/Disparition-Ad-la-de-Tome-XII-by-Philippe-Rosenberger.pdf
    • http://xiixmcuin.linkpc.net/6208204208202/Reverence-for-Life-The-Words-of-Albert-Schweitzer-by-Albert-Schweitzer.pdf
    • http://xiixmcuin.linkpc.net/7205202201203201/Colors-Are-Nice-A-Little-Golden-Book-by-Adelaide-Holl.pdf

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