Malicious PDF — malware analysis report

Static analysis result for SHA-256 b25ef8ad5ec36790…

MALICIOUS

PDF

16.8 KB Created: 2019-05-02 19:14:20 +01:00 Authoring application: mPDF 5.7
MD5: 4a6d67252457e8458da77c2ef7450795 SHA-1: c0a67c8451a5fa6bc7cb79dde09569555777652d SHA-256: b25ef8ad5ec36790b95da66bd3c7c1e93193add8ad06a9c77025f8d1b85a815d
60 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a link farm with 32 external links, predominantly to other PDF files hosted on loaminoo.linkpc.net. This technique is often used to artificially inflate search engine rankings or to distribute malicious content. No scripts were extracted, and the document body was heavily corrupted, limiting further analysis of the specific lure. The primary IOCs are the URLs forming the link farm.

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/9093094093096090/Thank-You-Prayer-My-First-Taggies-Book-by-Ken-Geist.pdf
    • http://loaminoo.linkpc.net/1098099099096098/Powerful-Prayers-in-the-War-Room-Learning-to-Pray-like-a-Powerful-Prayer-Warrior-Battle-Plan-for-Prayer-Book-1-by-Daniel-B-Lancaster.pdf
    • http://loaminoo.linkpc.net/7095094094096091/1794-Book-of-Prayer-by-Arthur-S-Martinson.pdf
    • http://loaminoo.linkpc.net/9090095093090095/Discovering-The-Book-Of-Common-Prayer-by-Sue-Careless.pdf
    • http://loaminoo.linkpc.net/1090096093093095/The-Tattered-Prayer-Book-by-Ellen-Bari.pdf
    • http://loaminoo.linkpc.net/9099092097093/The-Prayer-Box-A-Carolina-Chronicles-Book-1-by-Lisa-Wingate.pdf
    • http://loaminoo.linkpc.net/6091093091093091/Prayer-Book-Commun-White-by-Roman-Books-Ltd.pdf
    • http://loaminoo.linkpc.net/1091090099093092094/Saint-Augustine-s-Prayer-Book-by-Derek-A-Olsen.pdf
    • http://loaminoo.linkpc.net/9095092095091098/Catechism-on-the-Morning-and-Evening-Service-of-the-Book-of-Common-Prayer-by-Phebe-Hagner.pdf
    • http://loaminoo.linkpc.net/4096091093098/The-Book-of-Common-Prayer-and-Administration-of-the-Sacraments-and-Other-Rites-and-Ceremonies-of-the-Church-by-Church-of-England.pdf
    • http://loaminoo.linkpc.net/1091097096091092092/A-Barclay-Prayer-Book-by-William-Barclay.pdf
    • http://loaminoo.linkpc.net/9093094091098096/Who-s-Who-by-Ken-Geist.pdf
    • http://loaminoo.linkpc.net/9093094091099097/Titanic-by-Ken-Geist.pdf
    • http://loaminoo.linkpc.net/9093094093096099/TunaSquid-by-Jonathan-Geist.pdf
    • http://loaminoo.linkpc.net/3091091096097094/Geist-Zoe-Martinique-5-by-Phaedra-Weldon.pdf
    • http://loaminoo.linkpc.net/3095092096098097/Dark-Geist-by-Amanda-Steiger.pdf
    • http://loaminoo.linkpc.net/9093094092098097/The-QPB-Companion-to-Shakespeare-by-Brandon-Geist.pdf
    • http://loaminoo.linkpc.net/9093094092098094/Mule-Deer-Country-by-Valerius-Geist.pdf
    • http://loaminoo.linkpc.net/9090095091095091/Der-Geist-an-meiner-Seite-by-Megan-Crewe.pdf
    • http://loaminoo.linkpc.net/9093094092094094/Monster-Trucks-amp-Hair-in-a-Can-by-Bill-Geist.pdf
    • http://loaminoo.linkpc.net/9095092095091098/Catechism-on-the-Morning-and-Evening-Service-of-the-Book-of-Common

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