Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2201496c9ed11b5…

MALICIOUS

PDF

45.4 KB Created: 2020-11-09 13:18:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-15
MD5: 7b0b91ca92e35cc09c8d8c06221015eb SHA-1: dd563bde5be4d5dc4d3f02ae4e9732b0a61d02a3 SHA-256: e2201496c9ed11b5ce118948c25e24e53d5e8d2e158e50fb4e25467097bbd15e
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/aws?keyword=glass+sword+pdf+free PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4385202/normal_5f9e44f370676.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4375531/normal_5f93c6394f9b5.pdfIn PDF document text
    • https://pelofaneb.weebly.com/uploads/1/3/4/2/134235527/sipezozusod.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4382186/normal_5f8bd27c60a6f.pdfIn PDF document text
    • https://jikiwifapa.weebly.com/uploads/1/3/4/3/134338998/lifajeb-fukunubav.pdfIn PDF document text
    • https://jopalezaleloloj.weebly.com/uploads/1/3/1/3/131380469/saxakigepajilutew.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/fc9ac121-8982-41d0-b0ed-110803eb7c26/wikenib.pdfIn PDF document text
    • https://s3.amazonaws.com/sodoxi/best_keyboard_app_ios.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/57124cd3-fbbe-46ce-b5d0-6c167627cf3e/90047424505.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c3c43af3-57f1-45f3-8f6b-fcb31684b654/19633192027.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_off00007377.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7377 5160 bytes
SHA-256: 5e07acd8991964bb43bbc9d59ce5e5aeab93480d38b821d1d3568ef0412ab711
font_01_sfnt_off00008528.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8528 10708 bytes
SHA-256: 98278807cecef8d390c390791dc313cc2b5fbd67601e5c2283561f370d1e9237

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