Malicious PDF — malware analysis report

Static analysis result for SHA-256 63612a69d1d8fc86…

MALICIOUS

PDF

39.1 KB Created: 2020-04-01 15:34:34 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 3dbc94e5b591d22190f09b684845b24a SHA-1: 5b1eb1b8920149461e4248e2d756e7ef77d7d90d SHA-256: 63612a69d1d8fc8634d06e4ad65013bb0d38245e733d0e95819a6a94a56eed98
96 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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://topgirlgb.com/uploads/1/3/0/7/130775830/130775830.html#imagenes+de+dar+gracias+a+dios+por+mi+familia
    • http://mx3.ferienwohnung-freital-dresden.de/uploads/1/3/0/7/130776132/lodojar.pdf
    • http://beaba21.com/uploads/1/3/0/4/130476378/d994db1382.pdf
    • http://nweqf.com/uploads/1/3/0/5/130539875/degidigamerozojaxag.pdf
    • http://relentlesspyramid.com/uploads/1/3/0/8/130814118/xafekabetubof.pdf
    • http://missanny.net/uploads/1/3/0/6/130639069/7950314.pdf
    • http://sleepvillecanada.com/uploads/1/3/0/4/130489771/6543633.pdf
    • http://yogakimdung.com/uploads/1/3/0/9/130969032/5996081.pdf
    • http://beccakelley.com/uploads/1/3/0/5/130588936/b1eaaa797b.pdf
    • http://saferescuefordogs.com/uploads/1/3/1/4/131406879/1d91ee85daf.pdf
    • http://heavenlyjewelrys.com/uploads/1/3/0/5/130539325/682bcfa5f.pdf
    • http://rajaampatdivers.com/uploads/1/3/0/7/130775025/3488367.pdf
    • http://hammerandsonsconstruction.com/uploads/1/3/0/9/130968950/5517627.pdf
    • http://nuwavelocs.com/uploads/1/3/0/9/130969502/4592947.pdf
    • http://seven-lemons.com/uploads/1/3/1/0/131070001/fugeraz_zemag_soposegadagir.pdf
    • http://sandbrookdavidson.com/uploads/1/3/0/5/130541837/2873361.pdf
    • http://chakrachaman.com/uploads/1/3/0/6/130603896/jogiges.pdf
    • http://healinghandsmentoring.com/uploads/1/3/1/0/131070637/580a3c86a3e90.pdf
    • http://greenislandwebdesign.com/uploads/1/3/0/6/130604632/050a69ada.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006fa6.bin
8cc30a24e96e3333451592c815ada23c2a0a5a9165283ae64eabc5df706493a7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6FA6 8312 bytes

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