Malicious PDF — malware analysis report

Static analysis result for SHA-256 1aae5ef6c2d85b40…

MALICIOUS

PDF

28.1 KB Created: 2019-05-01 19:30:43 +01:00 Authoring application: mPDF 5.7
MD5: 148c2e656e923865517bddae4f7c68f1 SHA-1: cc1ff01ce63a4c61cc0b3c3c0e6c9ee7fe8b3ebf SHA-256: 1aae5ef6c2d85b40b0e053f95d9b12701d9f602b0bed226474f1423bf641b33e
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF file contains a large number of embedded links to external PDF documents, a technique often used for SEO poisoning or to distribute malicious content. The ML classifier strongly indicated maliciousness. While the linked PDFs themselves are marked as benign, the overall structure and the heuristic firing suggest a malicious intent to redirect users to potentially harmful content or to manipulate search engine results.

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://loaminoo.linkpc.net/3096097091093099/A-Greek-English-Lexicon-of-the-New-Testament-amp-Other-Early-Christian-Literature-by-Walter-Bauer.pdf
    • http://loaminoo.linkpc.net/4092094097095090/Voices-of-the-Mystics-Early-Christian-Discourse-in-the-Gospels-of-John-and-Thomas-and-Other-Ancient-Christian-Literature-by-April-D-De-Conick.pdf
    • http://loaminoo.linkpc.net/8099091095099096/Word-Study-Greek-English-New-Testament-NRSV-by-Paul-R-McReynolds.pdf
    • http://loaminoo.linkpc.net/8096096096091093/Jewish-Traditions-in-Early-Christian-Literature-Volume-5-the-Didache-Its-Jewish-Sources-and-Its-Place-in-Early-Judaism-and-Christianity-by-Botho-Walldorf.pdf
    • http://loaminoo.linkpc.net/7090096095090097/The-New-Testament-A-Historical-Introduction-to-the-Early-Christian-Writings-by-Bart-D-Ehrman.pdf
    • http://loaminoo.linkpc.net/8090099092090095/The-Orientalizing-Revolution-Near-Eastern-Influence-on-Greek-Culture-in-the-Early-Archaic-Age-by-Walter-Burkert.pdf
    • http://loaminoo.linkpc.net/4092094097096092/Reading-the-Old-Testament-with-the-Ancient-Church-Exploring-the-Formation-of-Early-Christian-Thought-by-Ronald-E-Heine.pdf
    • http://loaminoo.linkpc.net/9091099091099090/Danish-literature-in-English-translation-With-a-special-Hans-Christian-Andersen-supplement-a-bibliography-by-Elias-Bredsdorff.pdf
    • http://loaminoo.linkpc.net/3096098091093093/Greek-New-Testament-by-Anonymous.pdf
    • http://loaminoo.linkpc.net/9098095097095096/Voces-Biblicae-Septuagint-Greek-and-Its-Significance-for-the-New-Testament-by-Jan-Joosten.pdf
    • http://loaminoo.linkpc.net/1091094094098099091/Lexical-Aids-for-Students-of-New-Testament-Greek-by-Bruce-M-Metzger.pdf
    • http://loaminoo.linkpc.net/3096097091095093/Greek-Grammar-Beyond-the-Basics-An-Exegetical-Syntax-of-the-New-Testament-by-Daniel-B-Wallace.pdf
    • http://loaminoo.linkpc.net/5091099099099096/An-Introduction-to-Modern-Greek-Literature-by-Roderick-Beaton.pdf
    • http://loaminoo.linkpc.net/9093098099095091/Proceedings-of-the-Second-April-Conference-of-University-Teachers-of-English-Cracow-1981-April-23-29-Papers-in-English-and-American-Literature-Cul-by-Irena-Kaluza.pdf
    • http://loaminoo.linkpc.net/3096099092095093/English-Lit-Relit-A-Short-History-of-English-Literature-from-the-Precursors-Before-Swearing-to-the-Pre-Raphaelites-and-a-Little-After-Intended-to-Help-Students-See-the-Thing-Through-or-See-Through-the-Thing-and-Omitting-Nothing-Unimportant-by-Richard-Armour.pdf
    • http://loaminoo.linkpc.net/1090097099090090090/Early-Greek-Science-Thales-to-Aristotle-by-G-E-R-Lloyd.pdf
    • http://loaminoo.linkpc.net/5099092092096091/The-Invention-of-Literature-From-Greek-Intoxication-to-the-Latin-Book-by-Florence-Dupont.pdf
    • http://loaminoo.linkpc.net/8090097097092099/King-James-The-Holy-Bible-the-bible-bible-bible-study-jesus-religion-religious-heaven-king-james-old-testament-new-testament-prayer-books-christian-by-Anonymous.pdf
    • http://loaminoo.linkpc.net/2097090094093096/The-Christian-Old-Testament-by-Lawrence-R-Farley.pdf
    • http://loaminoo.linkpc.net/1090098098090096092/Knossos-the-North-Cemetery-Early-Greek-Tombs-I-IV-by-J-N-Coldstream.pdf

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