Malicious PDF — malware analysis report

Static analysis result for SHA-256 78270e0dff08884a…

MALICIOUS

PDF

106.6 KB Created: 2022-04-16 17:03:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-16
MD5: db292b85fc96b56080c6de272590b2a8 SHA-1: 387d4eea6f9898caadbab95ebb194f1b07f4fc50 SHA-256: 78270e0dff08884a4e6a38a8d932de9687f6ae939f4b51be700e43224cbd4420
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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=how%20to%20use%20a%20telescope%20celestron PDF link annotation
    • https://nocenzura.space/web/img/podborky/files/64352117637.pdfIn PDF document text
    • http://fornacedelia.it/userfiles/files/logumuxujalazikosefug.pdfIn PDF document text
    • https://vakilelem.weebly.com/uploads/1/3/1/3/131379598/81b54b21e19.pdfIn PDF document text
    • http://xn--9w3b270a7kf.kr/ckfinder/userfiles/files/63303010110.pdfIn PDF document text
    • https://wedovaxebekusos.weebly.com/uploads/1/3/4/6/134634127/pibivurufekisaza.pdfIn PDF document text
    • https://xevowuzari.weebly.com/uploads/1/3/1/4/131437308/9050794.pdfIn PDF document text
    • https://menusopam.weebly.com/uploads/1/3/4/5/134597334/veragulajuma-ragijibujikux-wijapunaguvase-punizegozopid.pdfIn PDF document text
    • http://gerastar.com/userfiles/file/wapidukagu.pdfIn PDF document text
    • https://vejitame.weebly.com/uploads/1/3/4/4/134457004/pegusi.pdfIn PDF document text
    • https://gekofixesijivex.weebly.com/uploads/1/3/5/9/135961820/wofuvukutefezi.pdfIn PDF document text
    • https://kinezamoz.weebly.com/uploads/1/3/4/7/134745204/toromuguwedogej-bumesu.pdfIn PDF document text
    • https://lakojelot.weebly.com/uploads/1/3/1/6/131637836/d4d0ac88.pdfIn PDF document text
    • https://mekuzawejonoma.weebly.com/uploads/1/3/1/6/131606345/c2297ff1e1a434.pdfIn PDF document text
    • http://boldogelet.hu/media/78251986743.pdfIn PDF document text
    • https://biwemazisemu.weebly.com/uploads/1/3/0/9/130969041/3899801.pdfIn PDF document text
    • https://bivojivowuru.weebly.com/uploads/1/3/4/7/134726538/vudigu-xozepekanima-kivexodet.pdfIn PDF document text
    • https://walotowujiko.weebly.com/uploads/1/3/4/5/134582573/kiredilanuka.pdfIn PDF document text
    • https://vinemexip.weebly.com/uploads/1/3/4/3/134306635/dozudew.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_off00013da1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13DA1 10452 bytes
SHA-256: bec4fdb4eeb6268f0538dee25bd72ddf9ba3b42238cedad9a00bf6b6d2df28d7
font_01_sfnt_off00015593.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15593 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off00016da5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x16DA5 17544 bytes
SHA-256: 3f058ba6fb500978cbdd19241e4bc42c1ac402df6356ed07560b4bd5e2ec8462

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