Malicious PDF — malware analysis report

Static analysis result for SHA-256 ec9a504a3cc5f6cd…

MALICIOUS

PDF

47.5 KB Created: 2019-03-17 08:17:44 +03:00 Authoring application: - (via Acrobat Web Capture 5.0)
MD5: de529c15acafd0769112a6f196fb4970 SHA-1: aebc7085f5dc85ac3592e39145de3f67a6316e82 SHA-256: ec9a504a3cc5f6cd5a632b6a5ec9407716b0b28d8ccb2320c50820b851c25a58
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs pointing to external PDF documents, a technique often used for SEO link farming or to distribute malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted, and the document body was unreadable, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8527

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/major-hazards-monograph-series-thermal-radiation-sulphur-trioxide-oleum-and.pdf
    • http://www.gorillawalker.com/transcultural-health-care-a-culturally-competent-approach.pdf
    • http://www.gorillawalker.com/the-house-of-leleu-classic-french-style-for-a-modern.pdf
    • http://www.gorillawalker.com/foolish-unfoolish-reflections-on-love.pdf
    • http://www.gorillawalker.com/frog-and-toad-all-year-i-can-read-books-harper.pdf
    • http://www.gorillawalker.com/connect-plus-with-learnsmart-and-learnsmart-labs-access-card-for.pdf
    • http://www.gorillawalker.com/stellar-medicine-a-journey-through-the-universe-of-women-s.pdf
    • http://www.gorillawalker.com/mastering-the-opening-everyman-chess.pdf
    • http://www.gorillawalker.com/zeke-s-rule-beautiful-torment-1.pdf
    • http://www.gorillawalker.com/secrets-of-new-orleans-a-1920s-sourcebook-to-the-crescent.pdf
    • http://www.gorillawalker.com/cuentos-chinos-el-enga-o-de-washington-la-mentira-populista.pdf
    • http://www.gorillawalker.com/discography-of-herbert-von-karajan-philharmonic-autocrat-1-third-edition.pdf
    • http://www.gorillawalker.com/diario-del-seduttore-evergreen-italian-edition-kindle-edition.pdf
    • http://www.gorillawalker.com/the-story-of-the-oxfordshire-and-buckinghamshire-light-infantry-the.pdf
    • http://www.gorillawalker.com/disinfection-sterilization-and-preservation.pdf
    • http://www.gorillawalker.com/don-t-play-for-the-tie-bear-bryant-on-life.pdf
    • http://www.gorillawalker.com/kaplan-sat-subject-test-world-history-2013-2014-kaplan-test.pdf
    • http://www.gorillawalker.com/nobody-told-me-what-you-need-to-know-about-the.pdf
    • http://www.gorillawalker.com/cmos-vlsi-korean-edition.pdf
    • http://www.gorillawalker.com/2010-construction-of-two-national-book-qualification-examination-guidance-electrical.pdf
    • http://www.gorillawalker.com/forgive-me-a-novel-zane-presents.pdf
    • http://www.gorillawalker.com/scales-and-arpeggios-for-the-saxophone-in-three-books-2nd.pdf
    • http://www.gorillawalker.com/civil-rights-the-1960s-freedom-struggle.pdf
    • http://www.gorillawalker.com/diet-exercise-discipline-for-weight-loss-fitness-goals-sleep-learning.pdf
    • http://www.gorillawalker.com/general-and-industrial-management.pdf
    • http://www.gorillawalker.com/lucy-maud-montgomery-kids-can-read.pdf
    • http://www.gorillawalker.com/structural-geology-of-north-america-harper-s-geoscience-series.pdf
    • http://www.gorillawalker.com/textbook-of-veterinary-clinical-parasitology-volume-1-helminths.pdf
    • http://www.gorillawalker.com/subsurface-ventilation-and-environmental-engineering.pdf
    • http://www.gorillawalker.com/biology-of-the-species-porphyromonas-gingivalis.pdf
    • http://www.gorillawalker.com/ruby-flynn.pdf
    • http://www.gorillawalker.com/sticky-fingers-and-tenderloins.pdf
    • http://www.gorillawalker.com/wasted-a-memoir-of-anorexia-and-bulimia-p-s-1st.pdf
    • http://www.gorillawalker.com/einstein-and-religion-physics-and-theology.pdf
    • http://www.gorillawalker.com/passwort-deutsch-in-drei-banden-cds-1-2-german-edition.pdf
    • http://www.gorillawalker.com/wordly-wise-3000-systematic-sequential-vocabulary-development-grade-10-student.pdf
    • http://www.gorillawalker.com/sonic-boom-minimization-through-shape-optimization-and-acoustic-propagation-aircraft.pdf
    • http://www.gorillawalker.com/air-travel-special-english-series.pdf
    • http://www.gorillawalker.com/paediatric-nephrology-oxford-specialist-handbooks-in-paediatrics.pdf
    • http://www.gorillawalker.com/american-passage-the-communications-frontier-in-early-new-england.pdf
    • http://www.gorillawalker.com/foolis
    • 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/

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