Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d857655f7c4049f…

MALICIOUS

PDF

75.1 KB Created: 2022-03-23 21:59:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-18
MD5: 7c7a64f6257e88d1d635d19bbd3ace3c SHA-1: 5e7ccd5eb19a074039b1b4480c777d192a0ea2e7 SHA-256: 5d857655f7c4049f98d5ce5d5cae848b70016b48ef5c2a04ed21db408f997fb2
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://colod.co.za/YmrXLWy8?keyword=can%20you%20use%20quotes%20in%20a%20summary PDF link annotation
    • https://gilasagajeradek.weebly.com/uploads/1/3/4/6/134632792/c9a6b655f7679a.pdfIn PDF document text
    • https://pusiwemesezupob.weebly.com/uploads/1/3/5/9/135962263/muloxevapumibiw.pdfIn PDF document text
    • https://janokapaw.weebly.com/uploads/1/3/4/3/134329878/3398182.pdfIn PDF document text
    • https://tofoboloronu.weebly.com/uploads/1/3/1/6/131636632/dimuxela.pdfIn PDF document text
    • https://tomasuniraruz.weebly.com/uploads/1/3/5/3/135392941/295965.pdfIn PDF document text
    • https://numurivigafezu.weebly.com/uploads/1/3/4/3/134390613/xifofu.pdfIn PDF document text
    • https://zibufegorijalif.weebly.com/uploads/1/3/4/8/134889305/jevelomu.pdfIn PDF document text
    • https://xefimobabizigur.weebly.com/uploads/1/3/1/6/131637686/fedezikekig.pdfIn PDF document text
    • https://wuvesemoni.weebly.com/uploads/1/3/4/3/134335409/fd06de364deb85.pdfIn PDF document text
    • https://rilulozopofebu.weebly.com/uploads/1/3/1/4/131406258/sijululapa.pdfIn PDF document text
    • https://wofinomedek.weebly.com/uploads/1/3/4/1/134108675/duxamejoku.pdfIn PDF document text
    • https://moxiwomalupul.weebly.com/uploads/1/3/4/5/134598527/pidigikisuwid.pdfIn PDF document text
    • https://wivufazufurad.weebly.com/uploads/1/3/7/5/137505375/busarem.pdfIn PDF document text
    • https://razavewi.weebly.com/uploads/1/3/0/8/130813306/deluruwi.pdfIn PDF document text
    • https://bowineno.weebly.com/uploads/1/3/4/8/134868267/nosemukazepagef-burogem-vurerikuser.pdfIn PDF document text
    • https://sizikipumaxa.weebly.com/uploads/1/3/0/7/130739349/cb87766ebdad09f.pdfIn PDF document text
    • https://vusuvokitajize.weebly.com/uploads/1/3/0/8/130874031/9563186.pdfIn PDF document text
    • https://vexapezerizerup.weebly.com/uploads/1/3/4/7/134717078/lesolu_divufom.pdfIn PDF document text
    • https://fifevogu.weebly.com/uploads/1/3/4/6/134602809/9494467.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 PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c2e7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC2E7 17100 bytes
SHA-256: f9d1843c7fd0e159662bca22746dc3ba6673877c80509edeb4e70622aa8cc5dc
font_01_sfnt_off0000efa0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEFA0 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_02_sfnt_off00010644.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10644 10612 bytes
SHA-256: de5333458e4f9f9e9e7ec9b75b06f336dd92eb7dec08f8c5a966d17d7d4e0500

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