Malicious PDF — malware analysis report

Static analysis result for SHA-256 c0ce92581581737d…

MALICIOUS

PDF

39.5 KB Created: 2020-10-03 05:27:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-02
MD5: 07721df653f552861fae3527e2d87618 SHA-1: 358ba1587b85f52fdc974f50d564ec63ae839670 SHA-256: c0ce92581581737d418006fc35f44da0ea462cc4b8a63b8c6f890f05dea69027
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://ggtraff.ru/strik?keyword=compound+tenses+spanish+worksheet In PDF document text
    • https://site-1040677.mozfiles.com/files/1040677/99626414631.pdfIn PDF document text
    • https://site-1037896.mozfiles.com/files/1037896/fixozularaluzagukoli.pdfIn PDF document text
    • https://site-1037010.mozfiles.com/files/1037010/34940320161.pdfIn PDF document text
    • http://damun.isifast.org/uploads/1/3/1/1/131164250/84adea24b668.pdfIn PDF document text
    • http://lagujigav.pack3049.com/uploads/1/3/0/8/130874001/pepevob.pdfIn PDF document text
    • http://jozupam.crrcinc.org/uploads/1/3/1/4/131454215/tuzem-vaseviv-zawezok-bokikugetoz.pdfIn PDF document text
    • http://linasez.ohlimousine.com/uploads/1/3/2/6/132682347/4316496.pdfIn PDF document text
    • http://dakoradi.jelizavetasuska.com/uploads/1/3/0/7/130738914/rupijutilesosok-sojuninaxil-votevatovu.pdfIn PDF document text
    • http://files.timgreenleafquarterhorses.com/uploads/1/3/2/6/132680915/wazeduwofobojazokiw.pdfIn PDF document text
    • http://files.ashburnhillplantation.com/uploads/1/3/0/7/130739503/4fd8fd61f61.pdfIn PDF document text
    • http://files.anamcharaministries.org/uploads/1/3/1/6/131606755/4c2d42874c.pdfIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005dbf.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005dbf.bin)
    • https://cdn.shopify.com/s/files/1/0428/7073/5014/files/86841259635.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0479/3889/6028/files/bartender_training_manual_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0480/8543/4532/files/96475421128.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6630/8246/files/chemistry_calculations_worksheet_gcse.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9646/5823/files/45705525574.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_off00005dbf.bin)

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005dbf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5DBF 5228 bytes
SHA-256: 4c43de2a6b709980d0f140d47b0b12c91dbfc9d7793c24ca03e13400ad0a0846
font_01_sfnt_off00006f64.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F64 9848 bytes
SHA-256: 88af0205af1df9e313e9518b53e2b9e1eac04a505fdd69dca1f24a992e1554b4

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