Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd7ed8bb3b96a831…

MALICIOUS

PDF

65.6 KB Created: 2020-11-18 10:58:00 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-19
MD5: 55462495bb67f5014a848b57de4712f8 SHA-1: ff63b13dbe585fb52b6e513239095f287d6c0679 SHA-256: cd7ed8bb3b96a83121b9b4e3a6dfbea2503c215a3f23fc07ee4d5c2b5454fbed
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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/wb?keyword=lower%20back%20pain%20management%20guidelines%20racgp PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4403421/normal_5fb4191f41ad6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4455660/normal_5fa57d03d455c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4386822/normal_5f9a7ff4b5f5a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379241/normal_5f8aeddf2f4c2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366653/normal_5f8b1f076f255.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/bejokazemur/libilobufuluvivevoduwi.pdfIn PDF document text
    • https://s3.amazonaws.com/magapeguwabe/bd_job_account_form.pdfIn PDF document text
    • https://s3.amazonaws.com/wajibile/august_ahrens_elementary_school_waipahu.pdfIn PDF document text
    • https://s3.amazonaws.com/xeroguru/fegadenupetijowevizalewov.pdfIn PDF document text
    • https://s3.amazonaws.com/kalufizefem/3ds_roms_citra.pdfIn PDF document text
    • https://s3.amazonaws.com/fajujiju/dancer_leveling_guide_ragnarok_mobile.pdfIn PDF document text
    • https://s3.amazonaws.com/muxegeza/ferimarofe.pdfIn PDF document text
    • https://s3.amazonaws.com/vexeliku/zevokixo.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_off0000c5bc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC5BC 5632 bytes
SHA-256: c0cabfe4be948c6b04cd7fe2ee7b10476572c6810ce9e3c65618a1cb532b1842
font_01_sfnt_off0000d8db.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD8DB 9604 bytes
SHA-256: 2ca5616c07f3e073b8f6753de03e5744c3f0811535352ecd8ab5247563885e53