Malicious PDF — malware analysis report

Static analysis result for SHA-256 552b3065ee6a26eb…

MALICIOUS

PDF

87.3 KB Created: 2022-03-28 04:58:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-19
MD5: bf242bbc4be36d4a83e70737fe6218b7 SHA-1: 0dff8f48d669b055417828435c7134667d4cd9d7 SHA-256: 552b3065ee6a26eb90bffd713d4365b6904a795e4e7feb1897c983629a8926d0
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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
  • 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.
  • 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://cafij.co.za/YmrXLWy8?keyword=free%20willy%20theme%20song%20piano%20sheet%20music PDF link annotation
    • https://mixowikijanolu.weebly.com/uploads/1/3/1/8/131856844/fumomojomijesax.pdfIn PDF document text
    • https://fekanarikivokil.weebly.com/uploads/1/3/4/8/134884633/814862.pdfIn PDF document text
    • https://lepoboniw.weebly.com/uploads/1/3/0/9/130969744/sedaro_zaxobojudut.pdfIn PDF document text
    • https://kipunazumalimak.weebly.com/uploads/1/3/4/7/134755782/9506719.pdfIn PDF document text
    • https://wowuleraregode.weebly.com/uploads/1/3/4/6/134690179/mumorum.pdfIn PDF document text
    • https://tasikedojawepu.weebly.com/uploads/1/3/4/4/134473564/899d8c.pdfIn PDF document text
    • https://vapevaka.weebly.com/uploads/1/3/1/4/131407737/3600544.pdfIn PDF document text
    • https://rilewinip.weebly.com/uploads/1/3/5/9/135964764/5605409.pdfIn PDF document text
    • https://lovunekigip.weebly.com/uploads/1/3/4/6/134685916/sejijok.pdfIn PDF document text
    • https://pigukoziluluz.weebly.com/uploads/1/3/4/8/134896600/aad50e6d8369b5e.pdfIn PDF document text
    • https://pikofejuja.weebly.com/uploads/1/3/4/4/134478885/sakajidobo-muvefotekug-subikoboma.pdfIn PDF document text
    • https://xixivejeb.weebly.com/uploads/1/3/4/6/134603549/jefet.pdfIn PDF document text
    • https://noxubesepa.weebly.com/uploads/1/3/7/4/137499292/00920030.pdfIn PDF document text
    • https://jutebipofan.weebly.com/uploads/1/3/4/3/134334370/4768139.pdfIn PDF document text
    • https://dokalifuli.weebly.com/uploads/1/3/4/0/134096730/2096041.pdfIn PDF document text
    • https://renexiba.weebly.com/uploads/1/3/4/8/134895383/terozijokazurividega.pdfIn PDF document text
    • https://balolekuzuwuvaz.weebly.com/uploads/1/3/0/7/130740598/libefudopevo_zenuru_dupinuj.pdfIn PDF document text
    • https://bomitepoz.weebly.com/uploads/1/3/4/8/134895739/3d5a76c0.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://dejavu.sourceforge.netIn extracted file (font_00_sfnt_off0000f000.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000f000.bin)

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f000.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF000 11100 bytes
SHA-256: 77ae52c930e09b75a4cf514891bcff5e68b5475a4a5836c260552b5f64cb91fc
font_01_sfnt_off000109d1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x109D1 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_02_sfnt_off00012070.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12070 17828 bytes
SHA-256: bc8ac9cba00ca9a8092cb13801550263bb8b228a74e9fdaacb19f996f2d16bfd

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