Malicious PDF — malware analysis report

Static analysis result for SHA-256 20588dcc19787e1a…

MALICIOUS

PDF

66.1 KB Created: 2020-11-14 22:22:36 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-07-20
MD5: cfde59ac01c5c828283bbbecf97dea12 SHA-1: ae91b4b5885bd425782a0578a7ed962041dab4db SHA-256: 20588dcc19787e1ab1040472c3ed1937933ecf24d70afe5d173bd2ebd89b6135
194 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
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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://traffine.ru/123?utm_term=and+so+the+lion+fell+in+love+with+the+lamb In PDF document text
    • https://s3.amazonaws.com/sezebepit/nomejefutivazuv.pdfIn PDF document text
    • https://s3.amazonaws.com/mojivikapeti/sepiferuwe.pdfIn PDF document text
    • https://s3.amazonaws.com/luborinizu/35813855099.pdfIn PDF document text
    • https://s3.amazonaws.com/xukonakefules/risk_assessment_sheet.pdfIn PDF document text
    • https://s3.amazonaws.com/wukara/55769252354.pdfIn PDF document text
    • https://s3.amazonaws.com/mexesazaxasa/zomidarureloboxaki.pdfIn PDF document text
    • https://s3.amazonaws.com/varolexexus/kakudutinujiginejovu.pdfIn PDF document text
    • https://s3.amazonaws.com/pazifetanegapu/54765839473.pdfIn PDF document text
    • https://s3.amazonaws.com/lodazojamuva/51770349697.pdfIn PDF document text
    • https://s3.amazonaws.com/varoximu/mikokeruxemib.pdfIn PDF document text
    • https://s3.amazonaws.com/gowebabuxogiro/gazi_tv_free_live_streaming.pdfIn PDF document text
    • https://s3.amazonaws.com/gofiguj/perepabuzapib.pdfIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000be2c.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000be2c.bin)
    • https://uploads.strikinglycdn.com/files/497b91fe-87b9-49b2-aad5-9299816058ce/ninadofaxu.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 extracted file (font_00_sfnt_off0000be2c.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000be2c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBE2C 5332 bytes
SHA-256: c9c687265bc062373b2904c995c2df03facf09d9de77593ca5f04dba8048e443
font_01_sfnt_off0000d03c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD03C 1852 bytes
SHA-256: c879d4b0210e847162f2c6d686728d124bd1d841235a0c83932700cac93a3561
font_02_sfnt_off0000d92e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD92E 10044 bytes
SHA-256: 267f1977f43214f0e6349cc75f7893e850079fcdcf571ef928fbd925080390b3