Malicious PDF — malware analysis report

Static analysis result for SHA-256 8d77cd980936c2de…

MALICIOUS

PDF

27.2 KB Created: 2019-04-30 02:45:28 +01:00 Authoring application: mPDF 5.7
MD5: f7d5fad9e5a9ba9a28ae5e7e0c55b214 SHA-1: 8fa86f72244d30ad4f821d9b6ddbaee75ffebec9 SHA-256: 8d77cd980936c2de70245ac838f73325b11ed552c305269c370512fbfdfc466d
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a large number of embedded links to external PDF documents, hosted on a dynamic DNS domain. This technique is often used to distribute malicious content or to engage in SEO poisoning. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted from this sample, limiting the ability to determine the exact payload or further actions.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9908

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://unieoooq.linkpc.net/64e34e74e54e34e3/Chumash-Mesoras-Harav-Sefer-Vayikra---Chumash-with-Commentary-Based-on-the-Teachings-of-Rabbi-Joseph-B-Soloveitchik-by-Arnold-Lustiger.pdf
    • http://unieoooq.linkpc.net/14e14e54e04e84e0/The-Koren-Mesorat-HaRav-Siddur-A-Hebrew-English-Prayer-Book-with-Commentary-by-Rabbi-Joseph-B-Soloveitchik-by-Joseph-B-Soloveitchik.pdf
    • http://unieoooq.linkpc.net/34e34e84e44e34e4/Chumash-Ethnobotany-Plant-Knowledge-Among-the-Chumash-People-of-Southern-California-by-Jan-Timbrook.pdf
    • http://unieoooq.linkpc.net/14e14e44e64e44e24e7/Sefer-Ohr-Avigdor-Duties-Of-The-Mind-Vol-4-by-Rabbi-Avigdor-Miller.pdf
    • http://unieoooq.linkpc.net/64e34e74e64e64e5/Praying-with-Fire---Pocket-Size-by-Dr-Arnold-Lustiger.pdf
    • http://unieoooq.linkpc.net/44e04e54e74e44e5/The-Second-Coming-of-Christ-The-Resurrection-of-the-Christ-Within-You-a-Revelatory-Commentary-on-the-Original-Teachings-of-Jesus-by-Paramahansa-Yogananda.pdf
    • http://unieoooq.linkpc.net/64e44e84e74e34e9/-Mi-golah-li-geM--ulah-From-Exile-to-Redemption-Volume-1-Chassidic-teachings-of-the-Lubavitcher-Rebbe-Rabbi-Menachem-M-Schneerson-and-the-preceding-Rebbeim-of-Chab-ad-on-the-future-redemption-and-the-coming-of-Mashiach-by-Eliyahu-Friedman.pdf
    • http://unieoooq.linkpc.net/14e04e34e84e44e04e4/Rav-Schwab-On-Iyov-The-Teachings-Of-Rabbi-Shimon-Schwab-On-The-Book-Of-Job-by-Shimon-Schwab.pdf
    • http://unieoooq.linkpc.net/64e94e94e34e74e4/The-Teachings-Of-Rabbi-Shlomo-Carlebach-by-Shlomo-Carlebach.pdf
    • http://unieoooq.linkpc.net/84e74e04e94e24e6/Making-Beats-The-Art-of-Sample-Based-Hip-Hop-by-Joseph-G-Schloss.pdf
    • http://unieoooq.linkpc.net/84e84e04e34e74e2/Hannibal-s-Legacy-by-Arnold-Joseph-Toynbee.pdf
    • http://unieoooq.linkpc.net/14e34e84e84e34e8/A-Study-of-History-by-Arnold-Joseph-Toynbee.pdf
    • http://unieoooq.linkpc.net/14e34e74e84e74e0/A-Study-of-History-Abridgement-of-Vols-1-6-by-Arnold-Joseph-Toynbee.pdf
    • http://unieoooq.linkpc.net/64e94e74e84e04e8/Dear-Russell-Dear-Jourdain-A-Commentary-on-Russell-s-Logic-Based-on-His-Correspondence-with-Philip-Jourdain-by-Ivor-Grattan-Guinnes.pdf
    • http://unieoooq.linkpc.net/64e34e74e44e54e0/Cardinal-Jean-Marie-Lustiger-on-Christians-and-Jews-by-Jean-Marie-Lustiger.pdf
    • http://unieoooq.linkpc.net/64e34e74e54e44e1/Choosing-God-Chosen-by-God-Conversations-with-Jean-Marie-Lustiger-by-Jean-Marie-Lustiger.pdf
    • http://unieoooq.linkpc.net/14e04e14e54e34e24e2/Capital-Punishment-Based-on-Professor-Mittermaier-s-Todesstrafe-by-Carl-Joseph-Anton-Von-Mittermaier.pdf
    • http://unieoooq.linkpc.net/74e64e44e84e24e8/MacLaren-s-Commentary-Expositions-Of-Holy-Scripture-32-Books-In-1-Volume-An-Expositor-s-Bible-Commentary-by-Alexander-MacLaren.pdf
    • http://unieoooq.linkpc.net/14e14e54e74e04e84e7/Oliver-Sacks-24-Brilliant-Teachings-And-Lessons-From-Oliver-Sacks-by-Joseph-Fisher.pdf
    • http://unieoooq.linkpc.net/74e24e04e94e84e4/Arnold-Bennett-In-Love-Arnold-Bennett-And-His-Wife-Marguerite-Souli-A-Correspondence-by-Arnold-Bennett.pdf

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