Malicious PDF — malware analysis report

Static analysis result for SHA-256 62e2c2477a09aa65…

MALICIOUS

PDF

42.1 KB Created: 2020-11-05 19:41:25 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-15
MD5: 82606709fcb171629df5996acd4e4859 SHA-1: 17f56fa4af60fbebeb99e77c1d4f37ed4e90eed9 SHA-256: 62e2c2477a09aa65cccca4b082fd342a607159486c2b64f0ce912f064fdbe6f8
76 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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 https://traffset.ru/123?keyword=hunger+games+putlocker9 PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4377656/normal_5f8a9f94f30d8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4412568/normal_5f9a7b8f5c492.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/114544d9-42ec-4ac9-925a-036d06f4e7ce/zujotomudi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c39083fb-76e1-458c-b7d4-523d6b76faa8/zedesofusimajetebose.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fd1af0d0-acb3-4108-86bd-e0b4406c3f4b/lodupemamakepa.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/29702005-2828-42a1-b49c-bac188443256/zijijonejotesedibi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0240484c-b74b-4efb-86c6-bd39369e07f9/71992288811.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1e69d206-6c52-4986-a562-3469ad107061/50006256311.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e8a52fa9-24cb-41fc-80fe-2f4c6418e603/pipulifenitu.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000624f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x624F 5436 bytes
SHA-256: ad26ba125cdaceb8d5f265666ee8fcf645603f12d04df2492ac2258cd63b9584
font_01_sfnt_off000074ba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x74BA 11032 bytes
SHA-256: 270aa3e3b898e602b949f67207b577e353b758682c7b37ed84b402cb7d9bbf72

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