Malicious PDF — malware analysis report

Static analysis result for SHA-256 f8b79ca6239dbe19…

MALICIOUS

PDF

45.6 KB Created: 2019-04-03 18:20:46 +03:00 Authoring application: - (via pdfTeX-1.0b-pdfcrypt)
MD5: 8ad5bc24a3e33f39264275d8f93ba285 SHA-1: 047319b95f7befaef1681bb5305910d162a6b9b0 SHA-256: f8b79ca6239dbe19f3818685e6572174c3f1424f50af58d9bf8b2742ead906ef
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a heuristic firing for a link farm, indicating a large number of external links. The document body, though partially obfuscated, contains numerous URLs pointing to PDF files on the domain www.gorillawalker.com. This suggests the primary purpose is to redirect users to a large collection of external documents, potentially for SEO manipulation or to serve as a distribution point for further malicious content. No scripts were extracted from this sample.

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/dynamic-force-spectroscopy-and-biomolecular-recognition.pdf
    • http://www.gorillawalker.com/areal-und-objektnetze-vor-dem-hintergrund-der-neuesten-eugh-rechtsprechung.pdf
    • http://www.gorillawalker.com/what-s-it-worth-a-guide-to-personal-injury-awards.pdf
    • http://www.gorillawalker.com/bretagne-normandie-pictorial-journey-through-brittany-and-normandy-with-captions.pdf
    • http://www.gorillawalker.com/mark-i-containment-program-application-guide-for-the-ramshead-s.pdf
    • http://www.gorillawalker.com/miller-governmental-gaap-guide-2003.pdf
    • http://www.gorillawalker.com/tappan-s-handbook-of-massage-therapy-access-card-pearson-etext.pdf
    • http://www.gorillawalker.com/ear-nose-and-throat-disease-mcq-s-brainscan.pdf
    • http://www.gorillawalker.com/nuclear-reactor-analysis.pdf
    • http://www.gorillawalker.com/babylonian-prayers-to-marduk-oriental-religions-in-der-antike.pdf
    • http://www.gorillawalker.com/multicast-sockets-practical-guide-for-programmers-the-practical-guides-kindle.pdf
    • http://www.gorillawalker.com/storefront-revolution-food-co-ops-and-the-counterculture-perspectives-on.pdf
    • http://www.gorillawalker.com/touched-by-death-part-2-of-2-kindle-edition.pdf
    • http://www.gorillawalker.com/exploring-creation-with-chemistry-full-set-with-solutions-and-tests.pdf
    • http://www.gorillawalker.com/plurality-of-worlds-the-extraterrestrial-life-debate-from-democritus-to.pdf
    • http://www.gorillawalker.com/just-point-at-him.pdf
    • http://www.gorillawalker.com/henry-s-demons-a-father-and-son-s-journey-out.pdf
    • http://www.gorillawalker.com/color-atlas-of-laparoscopy.pdf
    • http://www.gorillawalker.com/the-walking-dead-9-im-finsteren-tal-german-edition-kindle.pdf
    • http://www.gorillawalker.com/betty-crocker-s-picture-cookbook.pdf
    • http://www.gorillawalker.com/kaplan-catholic-high-school-entrance-exams-coop-hspt-tachs.pdf
    • http://www.gorillawalker.com/financial-accounting-for-mbas-student-solution-manual-by-peter-d.pdf
    • http://www.gorillawalker.com/us-army-technical-manual-tm-9-2590-213-15-operators.pdf
    • http://www.gorillawalker.com/banished-babies-the-secret-history-of-ireland-s-baby-export.pdf
    • http://www.gorillawalker.com/breve-historia-de-los-cataros-spanish-edition.pdf
    • http://www.gorillawalker.com/women-in-korean-zen-lives-and-practices-women-in-religion.pdf
    • http://www.gorillawalker.com/lectures-on-algebraic-topology-mathematics-lecture-note-series.pdf
    • http://www.gorillawalker.com/the-greek-way-of-death.pdf
    • http://www.gorillawalker.com/legendary-france-carcassonne-and-the-basque-country.pdf
    • http://www.gorillawalker.com/how-to-get-what-we-pay-for-a-handbook-for.pdf
    • http://www.gorillawalker.com/thanks-for-being-my-friend-let-s-talk-about-it.pdf
    • http://www.gorillawalker.com/jesuits.pdf
    • http://www.gorillawalker.com/top-cops-biographies-of-world-s-top-policemen.pdf
    • http://www.gorillawalker.com/your-life-is-your-message-finding-harmony-with-yourself-others.pdf
    • http://www.gorillawalker.com/the-a-z-of-vital-vitamins-and-minerals-the-health.pdf
    • http://www.gorillawalker.com/ironman-70-3-training-for-the-middle-distance-ironman-edition.pdf
    • http://www.gorillawalker.com/twin-block-functional-therapy-applications-in-dentofacial-orthopaedics.pdf
    • http://www.gorillawalker.com/sak-pure-simple-facts-tips-lore-libation.pdf
    • http://www.gorillawalker.com/paris-noir-the-secret-history-of-a-city.pdf
    • http://www.gorillawalker.com/the-cheesy-vegan-more-than-125-plant-based-recipes-for.pdf
    • 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/

Open this report in the interactive analyzer, or submit your own file for analysis.