Malicious PDF — malware analysis report

Static analysis result for SHA-256 89f67492cda68f2e…

MALICIOUS

PDF

83.1 KB Created: 2021-01-07 05:43:26 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-01
MD5: c481757d726da374195c7de92b70997c SHA-1: 41ed730aa68ed68f4051004ed10e75f87724335a SHA-256: 89f67492cda68f2ed7fb5307105993ada1b9f0c6b60c21fb323872145bb5403c
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://cdn.sqhk.co/jivapereb/G3Bjagc/97206631446.pdf In PDF document text
    • https://cdn.sqhk.co/rukeditele/jbmiffd/maxibamunufavubuwaxasog.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383131/normal_5f8de9c063180.pdfIn PDF document text
    • https://cdn.sqhk.co/farukisinu/4jcidgi/60401934125.pdfIn PDF document text
    • https://cdn.sqhk.co/tegatiwuwax/jd5Siip/thai_alphabet_pronunciation.pdfIn PDF document text
    • https://degodowaserujes.weebly.com/uploads/1/3/4/4/134494515/futiduva_jetanalewel.pdfIn PDF document text
    • https://cdn.sqhk.co/nudotunaza/Ehciggd/bpi_sales_management_trainee_salary.pdfIn PDF document text
    • https://cdn.sqhk.co/gonolesuzam/dji5jds/runagokojaz.pdfIn PDF document text
    • https://traffine.ru/wb?keyword=transformers%20robots%20in%20disguise%20season%203%20episode%204In PDF document text
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000e0ed.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000e0ed.bin)
    • http://www.daltonmaag.com/In extracted file (font_03_sfnt_off00013073.bin)
    • https://uploads.strikinglycdn.com/files/e3e21274-750b-4044-81ad-1b245d6e03ed/botenapugesolegi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d4e5d445-3b64-4644-b181-e82413ff1df7/zavesi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c99adb27-0bb2-4437-a600-9c5f45d56069/kenlin_rite_trak_ii_drawer_guide.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/551ffda5-0bc3-4f19-9a54-0477b380868b/71187476618.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/04dbff6d-fc6d-40e8-a220-b228b6a36021/sojomofomaka.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5132ae0f-c89b-480c-99e4-3d69cd05072e/hmrc_tax_credits_number.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_off0000e0ed.bin)
    • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off000118db.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off000118db.bin)

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e0ed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0ED 5552 bytes
SHA-256: 1d1f27535e30079a054ae70c08065f3c387c977b0024232eabee0eee5b3f6b61
font_01_sfnt_off0000f3b1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF3B1 10904 bytes
SHA-256: e0e96ce0dc5301ef97225e693f72fc481b3b8337cd6af7e6c2195a2710877c90
font_02_sfnt_off000118db.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x118DB 17484 bytes
SHA-256: 4fc4895e7fe03122f57fb0b4ce488710b3b1f4f521a22a899d3bf54aed5025a9
font_03_sfnt_off00013073.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13073 4324 bytes
SHA-256: ad623bc7c681097dfa1224999cf6cc6072d3ca9a137655dc1129b0261f0b357c