Malicious PDF — malware analysis report

Static analysis result for SHA-256 793417ce9370fd38…

MALICIOUS

PDF

50.7 KB Created: 2020-10-28 09:29:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-15
MD5: 3d3aa47e69584b40473fc909bc0c2b2b SHA-1: 433e28f2fd8836cf9aeff04992fa29fdcf965bf6 SHA-256: 793417ce9370fd38afbcace51854ceb7c892085f40933380f4f9edcc54f45f86
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://cctraff.ru/wb?keyword=forex%20fundamental%20analysis%20course%20pdf In PDF document text
    • https://julasunanuk.weebly.com/uploads/1/3/4/3/134308365/2675451.pdfIn PDF document text
    • https://xutewosabog.weebly.com/uploads/1/3/2/3/132303209/warizijowero-kupumesuje.pdfIn PDF document text
    • https://gavawujag.weebly.com/uploads/1/3/4/3/134370084/a1051.pdfIn PDF document text
    • https://vodipewelo.weebly.com/uploads/1/3/1/6/131637384/sunutubevitadobux.pdfIn PDF document text
    • https://wemibevufiwoseb.weebly.com/uploads/1/3/0/8/130813314/suvatonilud-dunevex.pdfIn PDF document text
    • https://rajuvafawomok.weebly.com/uploads/1/3/4/4/134455823/zakere.pdfIn PDF document text
    • https://dufejubodumafeb.weebly.com/uploads/1/3/4/4/134444341/88fe5b.pdfIn PDF document text
    • https://winomumamo.weebly.com/uploads/1/3/1/0/131070375/xeweziju-koxogajeb-gipivanonofiwo-zewazexezimo.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/turip/79237824056.pdfIn PDF document text
    • https://s3.amazonaws.com/jufowokedunod/kotigibox.pdfIn PDF document text
    • https://s3.amazonaws.com/bejeseja/sekijojukolivasuvoto.pdfIn PDF document text
    • https://s3.amazonaws.com/suximawo/83654579899.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0266/9222/3151/files/jufuzabofoxuwudis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0483/8172/2775/files/kirkland_dental_chews_canada.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0500/4673/0390/files/avertek_motherboard_g31_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1510/0826/files/10296529321.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3e792fa8-7e28-4aee-8dd2-6bf854d0adbd/45182661973.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3c181f15-2de0-49ce-a0b7-dbd9ffb40ffc/94358866336.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6ce99de6-9632-445c-be36-72217f0d2c70/78075074959.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/972d33ab-b543-42a0-839f-4671ba628b72/skala_perilaku_altruisme.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_off0000867b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x867B 5424 bytes
SHA-256: 17c6f7cf089d26a494d26c7c4765b5264d5c4b1e677d1518b4b582291439c402
font_01_sfnt_off000098ec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x98EC 10632 bytes
SHA-256: 7a54c6ef96a0d156bc9f13557801f8e1aa725fffb1aaf08d33b0a9b7ac894cac

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