Malicious PDF — malware analysis report

Static analysis result for SHA-256 782b5703a36a9cb8…

MALICIOUS

PDF

74.0 KB Created: 2021-01-05 03:52:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-16
MD5: 0f53f9eea14eb6fa44a14fd46cd20236 SHA-1: f9dd32a9b1de7686ca063ff8d57063b4661d6c92 SHA-256: 782b5703a36a9cb8355d5bbc2a8d65dfc53e239d38dd29d66f8feb0d6b40138a
226 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 7

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
    Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://traffnew.ru/123?utm_term=if+you+could+be+mine+pdf+download PDF link annotation
    • https://dofikusoru.weebly.com/uploads/1/3/4/4/134472045/detamulodusura-xirupodewipa-sidufixaliz-wifububo.pdfIn PDF document text
    • https://sobeponul.weebly.com/uploads/1/3/4/7/134756425/cbc9f6d.pdfIn PDF document text
    • https://cdn.sqhk.co/nalujujoso/Z3qioGe/damas_free_checkers_game.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4489599/normal_5fadba01f01f8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4404980/normal_5f96fe851a14a.pdfIn PDF document text
    • https://gawosiluzetur.weebly.com/uploads/1/3/4/6/134631715/627620.pdfIn PDF document text
    • https://wojedebaroz.weebly.com/uploads/1/3/1/6/131637691/dokanaredaz.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4453900/normal_5fa5e1b459686.pdfIn PDF document text
    • https://pusudojajepi.weebly.com/uploads/1/3/5/3/135322366/9718127.pdfIn PDF document text
    • https://xogepavawoda.weebly.com/uploads/1/3/0/7/130740110/kumokatowojo.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4426972/normal_5fef1a64245fc.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4394077/normal_5fe1f504d88ac.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4482636/normal_5fde367143406.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://uploads.strikinglycdn.com/files/3eca5394-f875-40b3-bfc0-e46a5fac04d8/20486495757.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d6ac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD6AC 5100 bytes
SHA-256: e94067589ebc1b704a6acec85fc55ab76baf912badbd5143fd02db6b6bfe3cdf
font_01_sfnt_off0000e7fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE7FA 10784 bytes
SHA-256: 7a8378eae32c58fafecffc1d4f11418937782011e1b82ced7bc07ba9d04bcd61
font_02_sfnt_off00010ce6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10CE6 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2

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