Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5d2e76e0d5b11a2…

MALICIOUS

PDF

32.2 KB Created: 2020-10-30 00:04:58 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-28
MD5: 10dbce860bf5b2e11bd1b18742f3d311 SHA-1: 1e86dc73d682582b1e2b7074c0c7988724f4a0c5 SHA-256: c5d2e76e0d5b11a2b01b50187492417eaef7b76d778810f780d7a229f8157c18
184 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.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://cctraff.ru/wb?keyword=riedel%20rocknet%20manual In PDF document text
    • https://nogafuku.weebly.com/uploads/1/3/2/8/132815296/sozusor-gofizulukan-pisobal.pdfIn PDF document text
    • https://gemaxudemaxepeb.weebly.com/uploads/1/3/1/0/131070646/jevumoja.pdfIn PDF document text
    • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/fibaxizimudez.pdfIn PDF document text
    • https://mozesewopizudal.weebly.com/uploads/1/3/4/3/134363743/vixajubifukiko.pdfIn PDF document text
    • https://juporolo.weebly.com/uploads/1/3/1/3/131380745/727948.pdfIn PDF document text
    • https://jezaxegare.weebly.com/uploads/1/3/1/3/131380636/gafipi.pdfIn PDF document text
    • https://jopomewimedadi.weebly.com/uploads/1/3/4/4/134465277/cf4b80b1cf1d6.pdfIn PDF document text
    • https://jikiwifapa.weebly.com/uploads/1/3/4/3/134338998/df2b832f1ff.pdfIn PDF document text
    • https://fidevawane.weebly.com/uploads/1/3/0/8/130814252/2954957.pdfIn PDF document text
    • https://rifelejoxew.weebly.com/uploads/1/3/4/3/134330737/zavapawizadisa.pdfIn PDF document text
    • https://buliduxefexefux.weebly.com/uploads/1/3/1/6/131636978/tuvow-laminevub-balisimiravupa.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0500/5770/7680/files/jurefiwakasapa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0497/9926/6465/files/senaxef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0482/0477/5576/files/call_of_duty_zombies_apk_apkpure.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_off0000446c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x446C 4976 bytes
SHA-256: 00e220a6a7109afb7eb0be14350865ee103a2fd07b3d03e4a4a07eeba76741a5
font_01_sfnt_off0000553e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x553E 9132 bytes
SHA-256: e001d30a9aaae0d117b9ffd4e868804d7d52fba9527cd4150d563f7376f9b337

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