Malicious PDF — malware analysis report

Static analysis result for SHA-256 d071cfc11cc32010…

MALICIOUS

PDF

44.9 KB Created: 2020-11-05 01:50:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-04-06
MD5: 9c3f6dec80ccdbc0fd1233191127cb67 SHA-1: cd238ffabb32ded53118bf77b69dd0ce18097732 SHA-256: d071cfc11cc3201047367e7466820e7b378d83a6cd0fc6be7200cfdde0f9d033
194 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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.
  • 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.
  • 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://gettraff.ru/strik?keyword=management+skills+for+everyday+life+free+pdf In PDF document text
    • https://s3.amazonaws.com/tazibabebamep/stick_ranger_hacked_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/fatikonavori/wisamuj.pdfIn PDF document text
    • https://s3.amazonaws.com/wupixufekijax/62269644395.pdfIn PDF document text
    • https://s3.amazonaws.com/risalenefazozo/c.m._stunich_chaos.pdfIn PDF document text
    • https://s3.amazonaws.com/zugutixe/ruxezimimilavib.pdfIn PDF document text
    • https://s3.amazonaws.com/fapaga/8909197116.pdfIn PDF document text
    • https://sagerogokijisoj.weebly.com/uploads/1/3/4/6/134601402/bb9a41f32c3.pdfIn PDF document text
    • https://pawuxadatunu.weebly.com/uploads/1/3/4/2/134266652/2bf1b.pdfIn PDF document text
    • https://s3.amazonaws.com/tuxenipup/mubirinodip.pdfIn PDF document text
    • https://s3.amazonaws.com/xanebavifamopez/zotilifuvuzut.pdfIn PDF document text
    • https://s3.amazonaws.com/vavebufevodutob/white_throne_judgement_verse.pdfIn PDF document text
    • https://s3.amazonaws.com/jarawaxanivu/budismo_para_dummies_descargar_gratis.pdfIn PDF document text
    • https://s3.amazonaws.com/baxegezivumi/26849582568.pdfIn PDF document text
    • https://zoxuzuxebexot.weebly.com/uploads/1/3/0/9/130969059/metor.pdfIn PDF document text
    • https://s3.amazonaws.com/bitajemisajoz/wivuguvukadusiwigaj.pdfIn PDF document text
    • https://s3.amazonaws.com/jamokaroxoj/well_cementing_calculations.pdfIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006f06.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006f06.bin)
    • 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_off00006f06.bin)

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006f06.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F06 5592 bytes
SHA-256: 824a0da36560fc8c90763fb9debfaf853a0b4a8206ca90297cb9751cd86bf50c
font_01_sfnt_off0000821f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x821F 10612 bytes
SHA-256: 1caed59c6692c9cfab0ffc9e04d04d212e50b491f837678595ffedd35931e4fe