Malicious PDF — malware analysis report

Static analysis result for SHA-256 8bb6ba05c83d3939…

MALICIOUS

PDF

18.9 KB Created: 2019-04-30 05:01:10 +01:00 Authoring application: mPDF 5.7
MD5: e717d2f6c2e78a621e0ab1a420230e62 SHA-1: 9fd9390eba0de2ae15fcc0808c23968409edbfe3 SHA-256: 8bb6ba05c83d393958b09e965d6706f5b13e83d1cd2c58e330aea5d876a3149f
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF file was flagged by a machine learning classifier as malicious. Static analysis revealed a link farm containing 24 external PDF links, predominantly hosted on loaminoo.linkpc.net. The document body contains numerous URLs, suggesting a social engineering tactic to direct users to potentially malicious content. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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/2096097099098096/August-Gale-A-Father-and-Daughter-s-Journey-into-the-Storm-by-Barbara-Walsh.pdf
    • http://loaminoo.linkpc.net/1090096091095093098/Braving-It-A-Father-a-Daughter-and-an-Unforgettable-Journey-Into-the-Alaskan-Wild-by-James-Campbell.pdf
    • http://loaminoo.linkpc.net/5091095098095/Daughter-of-Persia-A-Woman-s-Journey-From-Her-Father-s-Harem-Through-the-Islamic-Revolution-by-Sattareh-Farman-Farmaian.pdf
    • http://loaminoo.linkpc.net/2095097097094099/Kansas-in-August-by-Patrick-Gale.pdf
    • http://loaminoo.linkpc.net/2098099098096092/The-Ambassador-s-Vow-by-Barbara-Gale.pdf
    • http://loaminoo.linkpc.net/3091090098093096/The-Guns-of-August-by-Barbara-W-Tuchman.pdf
    • http://loaminoo.linkpc.net/1099090099099094/The-Guns-of-August-The-Proud-Tower-by-Barbara-W-Tuchman.pdf
    • http://loaminoo.linkpc.net/4099094099094097/Father-Melancholy-s-Daughter-by-Gail-Godwin.pdf
    • http://loaminoo.linkpc.net/1095091090097090/Monticello-A-Daughter-and-Her-Father-by-Sally-Cabot-Gunning.pdf
    • http://loaminoo.linkpc.net/1091092096095096095/Bruce-And-Me-A-Daughter-and-Her-Fraudulent-Father-by-Oren-Siedler.pdf
    • http://loaminoo.linkpc.net/8095092098090/Father-Daughter-Incest-by-Judith-Lewis-Herman.pdf
    • http://loaminoo.linkpc.net/5090091093098099/My-Father-Had-a-Daughter-Judith-Shakespeare-s-Tale-by-Grace-Tiffany.pdf
    • http://loaminoo.linkpc.net/6093092099093094/Ayesha-s-Gift-A-daughter-s-search-for-the-truth-about-her-father-by-Martin-Sixsmith.pdf
    • http://loaminoo.linkpc.net/9095091099092097/Unspeakable-Father-Daughter-Incest-in-American-History-by-Lynn-Sacco.pdf
    • http://loaminoo.linkpc.net/5090095098091093/Trespassing-on-Einstein-s-Lawn-A-Father-a-Daughter-the-Meaning-of-Nothing-and-the-Beginning-of-Everything-by-Amanda-Gefter.pdf
    • http://loaminoo.linkpc.net/8099092091099/Are-There-Closets-in-Heaven-A-Catholic-Father-and-Lesbian-Daughter-Share-their-Story-by-Carol-Curoe.pdf
    • http://loaminoo.linkpc.net/1090098090096099090/Cipressen-in-de-storm-by-Barbara-Piazza.pdf
    • http://loaminoo.linkpc.net/1096098098091096/The-Boy-in-the-Moon-A-Father-s-Journey-to-Understand-His-Extraordinary-Son-by-Ian-Brown.pdf
    • http://loaminoo.linkpc.net/3096092091097092/The-Attributes-of-God-Volume-1-A-Journey-into-the-Father-s-Heart-by-A-W-Tozer.pdf
    • http://loaminoo.linkpc.net/5099091091091/Beautiful-Boy-A-Father-s-Journey-Through-His-Son-s-Addiction-by-David-Sheff.pdf