Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e306f35068bd09e…

MALICIOUS

PDF

118.9 KB Created: 2020-12-15 14:47:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-19
MD5: 3989609442beca4ebe3db444cafc9531 SHA-1: c736a6d99a702f370bab800649816e8ddae5fc3b SHA-256: 4e306f35068bd09e9f5faae0d4f2b160c08e6fc22b3841f9facbf791a9243e3d
254 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 6

  • 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.
  • 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/wb?keyword=html%20button%20onclick%20%20file In PDF document text
    • https://cdn-cms.f-static.net/uploads/4415544/normal_5fa5e9eb99b2e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413226/normal_5fa284f746e7a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4496586/normal_5fd133a5a6473.pdfIn PDF document text
    • https://wuwuleli.weebly.com/uploads/1/3/1/3/131398564/rodegedasiguli.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4408992/normal_5fb2e53d96169.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4386354/normal_5f9934c16abc4.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4471234/normal_5fbc2045cbe78.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4388833/normal_5fc135ffe6fc1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4501495/normal_5fd3966715c97.pdfIn PDF document text
    • https://zuxadozi.weebly.com/uploads/1/3/4/6/134662888/1840951.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4454543/normal_5fa0ea2c911f7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4473954/normal_5fbe6b5caf47b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4381532/normal_5f8d974ce1773.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://static1.squarespace.com/static/5fc720da0d716e027b026a97/t/5fd67541acac596b0cbda24d/1607890243100/vuzukamibozadawo.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00017174.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x17174 4588 bytes
SHA-256: 35fbea6b00df435c4c4dac0ba61c637d17282f0ce373f932e9fe872ce1cbd302
font_01_sfnt_off000180fc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x180FC 6520 bytes
SHA-256: 32358e11195b7bc74dc69b1ec77337797b27d2319967fb2d51345f7f977fbe63
font_02_sfnt_off000192ef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x192EF 13296 bytes
SHA-256: 86c025db5d8a49e7b4837313feba2c7e7003dafc2a4a97d78b1f9dbb18d034e0
font_03_sfnt_off0001be2a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1BE2A 4324 bytes
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71

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