Malicious PDF — malware analysis report

Static analysis result for SHA-256 a34ebf9d80bcd293…

MALICIOUS

PDF

42.4 KB Created: 2019-04-10 12:10:08 +03:00 Authoring application: LaTeX with hyperref package (via pdfTeX-1.40.17)
MD5: 7752440cca27892e8433cb110439a368 SHA-1: 7cdabf6643913e2802e4fa42b1499edb4d0329fb SHA-256: a34ebf9d80bcd2933087c1fff66a0ec231195ed74e1f2401d3cdde1d2d06923e
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a large number of embedded URLs, constituting a link farm. The heuristic 'PDF_SEO_LINK_FARM' indicates that this PDF is designed to link to numerous other PDF documents, likely for SEO manipulation or to distribute malicious content indirectly. No scripts were extracted from this sample, and the document body was heavily obfuscated, making it difficult to determine the exact nature of the linked content.

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://www.gorillawalker.com/watcher.pdf
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    • http://www.gorillawalker.com/the-castles-of-the-assassins.pdf
    • http://www.gorillawalker.com/handbook-of-the-biology-of-aging-handbooks-of-aging-vol.pdf
    • http://www.gorillawalker.com/greek-islands-globetrotter-travel-guide.pdf
    • http://www.gorillawalker.com/john-lingenfelter-on-modifying-small-block-chevy-engines.pdf
    • http://www.gorillawalker.com/custom-cars-autos-die-begeistern-wandkalender-2016.pdf
    • http://www.gorillawalker.com/television-production-workbook.pdf
    • http://www.gorillawalker.com/germans-in-minnesota-people-of-minnesota.pdf
    • http://www.gorillawalker.com/alfred-s-basic-adult-piano-course-pop-song-book-1.pdf
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    • http://www.gorillawalker.com/bitroux-book-1-the-metalsmith-illustrated-edition-volume-1.pdf
    • http://www.gorillawalker.com/theory-of-fundamental-processes-advanced-books-classics.pdf
    • http://www.gorillawalker.com/wood-and-garden-notes-and-thoughts-practical-and-critical-of.pdf
    • http://www.gorillawalker.com/keyboard-dances-easier-piano-pieces-42-easier-piano-pieces-abrsm.pdf
    • http://www.gorillawalker.com/guale-the-sacred-landscape.pdf
    • http://www.gorillawalker.com/understanding-diverse-families-what-practitioners-need-to-know.pdf
    • http://www.gorillawalker.com/the-path-of-blessing-experiencing-the-energy-and-abundance-of.pdf
    • http://www.gorillawalker.com/caps-one-size-fits-all.pdf
    • http://www.gorillawalker.com/dural-sacs-no-1-biodynamics-of-osteopathy.pdf
    • http://www.gorillawalker.com/rigby-pm-platinum-collection-individual-student-edition-blue-levels-9.pdf
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    • http://www.gorillawalker.com/heroes-men-of-falcon.pdf
    • http://www.gorillawalker.com/miracles-in-jewish-and-christian-antiquity-imagining-truth-notre-dame.pdf
    • http://www.gorillawalker.com/del-sue-o-al-destino-diez-pruebas-que-debe-pasar.pdf
    • http://www.gorillawalker.com/the-memory-of-water-acting-edition.pdf
    • http://www.gorillawalker.com/jung-to-live-by.pdf
    • http://www.gorillawalker.com/cataloging-of-the-hand-press-professional-library.pdf
    • http://www.gorillawalker.com/out-of-the-margins-the-rise-of-chinese-vernacular-fiction.pdf
    • http://www.gorillawalker.com/there-is-sweet-music-edward-elgar-ssaattbb-ssaattbb-sheet-music.pdf
    • http://www.gorillawalker.com/great-books-written-in-prison-essays-on-classic-works-from.pdf
    • http://www.gorillawalker.com/pack-princess-a-fantastical-werewolf-adventure-wolf-rampant-book-2.pdf
    • http://www.gorillawalker.com/commentary-on-the-treatise-on-the-true-devotion-to-the.pdf
    • http://www.gorillawalker.com/greening-post-industrial-cities-growth-equity-and-environmental-governance-cities.pdf
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    • http://www.gorillawalker.com/germans-in-minnesota-pe
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://www.aiim.org/pdfa/ns/extension/
    • http://www.aiim.org/pdfa/ns/schema#
    • http://www.aiim.org/pdfa/ns/property#
    • http://www.aiim.org/pdfa/ns/id/