Malicious PDF — malware analysis report

Static analysis result for SHA-256 803d4ed7703b19a1…

MALICIOUS

PDF

45.4 KB Created: 2018-12-11 20:45:24 +03:00 Authoring application: Adobe Photoshop 5.0 (via Adobe Photoshop for Windows)
MD5: 558c428347cbf80560e994042a34f015 SHA-1: 37eb87f4475590b78f80e1cf9a5fb6d671043013 SHA-256: 803d4ed7703b19a1aebdf1387e20198db5f7cc5f99b76878c4264b49fafe9f00
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a large number of embedded links to external PDF documents, primarily hosted on www.gorillawalker.com. This behavior is indicative of a link farm or SEO spam tactic, potentially used to drive traffic or distribute further malicious content. No scripts were extracted, and the document body was heavily obfuscated, limiting deeper analysis of the immediate intent beyond link distribution.

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/piano-playbook-classical-favorites-kindle-edition.pdf
    • http://www.gorillawalker.com/through-the-buffer-state-a-record-of-recent-travels-through.pdf
    • http://www.gorillawalker.com/braid-therapy-hidden-cause-stiff-neck-headache-low-back-pain.pdf
    • http://www.gorillawalker.com/water-resources-engineering-2nd-edition.pdf
    • http://www.gorillawalker.com/drawing-people-for-the-absolute-beginner-a-clear-easy-guide.pdf
    • http://www.gorillawalker.com/iplates-volume-2-part-ii-gideon-s-revolt-book-of.pdf
    • http://www.gorillawalker.com/esto-ya-es-otra-historia.pdf
    • http://www.gorillawalker.com/applications-of-declarative-programming-and-knowledge-management-15th-international-conference.pdf
    • http://www.gorillawalker.com/love-you-when.pdf
    • http://www.gorillawalker.com/a-guide-book-to-u-s-army-dress-helmets-1872.pdf
    • http://www.gorillawalker.com/the-westerners-series-complete-books-1-4.pdf
    • http://www.gorillawalker.com/preschool-songs-fingerplays-building-language-experience-through-rhythm-and-movement.pdf
    • http://www.gorillawalker.com/the-boy-me-and-the-cat.pdf
    • http://www.gorillawalker.com/the-spiritual-dimension-religion-philosophy-and-human-value.pdf
    • http://www.gorillawalker.com/lean-government.pdf
    • http://www.gorillawalker.com/the-art-of-greg-spalenka.pdf
    • http://www.gorillawalker.com/treatment-of-hazardous-waste-leachate-unit-operations-and-costs-pollution.pdf
    • http://www.gorillawalker.com/oncology-nursing-text-radiation-therapy-and-mosby-s-oncology-drug.pdf
    • http://www.gorillawalker.com/museum-buildings-design-manuals.pdf
    • http://www.gorillawalker.com/pre-industrial-cities-and-technology.pdf
    • http://www.gorillawalker.com/asia-south-korea-west-coast-approaches-to-inch-on-hang.pdf
    • http://www.gorillawalker.com/citizens-of-two-kingdoms-lessons-for-youth-in-baptist-history.pdf
    • http://www.gorillawalker.com/the-letters-of-william-freeman-london-merchant-1678-1685-london.pdf
    • http://www.gorillawalker.com/doing-qualitative-research-a-practical-handbook.pdf
    • http://www.gorillawalker.com/brain-trust-the-hidden-connection-between-mad-cow-and-misdiagnosed.pdf
    • http://www.gorillawalker.com/prophet-of-moonshae-forgotten-realms-druidhome-trilogy-no-1.pdf
    • http://www.gorillawalker.com/seismic-behavior-of-multistory-braced-steel-frames-steel-research-for.pdf
    • http://www.gorillawalker.com/a-perfect-storm.pdf
    • http://www.gorillawalker.com/origins-of-the-federal-judiciary-essays-on-the-judiciary-act.pdf
    • http://www.gorillawalker.com/the-south-beach-diet-dining-guide-your-reference-guide-to.pdf
    • http://www.gorillawalker.com/abc-s-for-travel-preparation-and-travel-tips-cruise-and.pdf
    • http://www.gorillawalker.com/introduction-to-evolutionary-genomics-computational-biology.pdf
    • http://www.gorillawalker.com/the-mirror-and-the-lamp-romantic-theory-and-the-critical.pdf
    • http://www.gorillawalker.com/doctors-without-borders-community-connections-how-do-they-help.pdf
    • http://www.gorillawalker.com/exact-exponential-algorithms-texts-in-theoretical-computer-science-an-eatcs.pdf
    • http://www.gorillawalker.com/travels-in-syria-a-love-story.pdf
    • http://www.gorillawalker.com/cupcakes-made-simple-cooking-made-simple.pdf
    • http://www.gorillawalker.com/nahjul-balagha-sermons-letters-and-sayings-of-hazrat-ali.pdf
    • http://www.gorillawalker.com/the-cut-collection.pdf
    • http://www.gorillawalker.com/frommer-s-portable-cancun-paperback.pdf
    • http://www.gorillawal
    • 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/