Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd786511b534b773…

MALICIOUS

PDF

98.9 KB Created: 2022-03-25 21:37:30 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19
MD5: 18990bdb6a907760f09e3260c2689be3 SHA-1: 645a0f6b1112aa0c9b79dfdeea22260e0cd2947c SHA-256: cd786511b534b77368ea1e18a11e629707581b7bc24fc5731ebc15422cf1e245
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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://mifuj.co.za/YmrXLWy8?keyword=cognitive%20psychology%204th%20edition%20sale PDF link annotation
    • https://zedalikekotax.weebly.com/uploads/1/3/1/1/131163955/namepogemipadevupase.pdfIn PDF document text
    • https://jotezuzoxe.weebly.com/uploads/1/3/1/3/131382583/fozodat.pdfIn PDF document text
    • https://rivelipa.weebly.com/uploads/1/3/5/3/135349188/14a02c18.pdfIn PDF document text
    • https://mugevodotigo.weebly.com/uploads/1/3/0/7/130740084/b8e059c486aefc8.pdfIn PDF document text
    • https://basuxebuj.weebly.com/uploads/1/3/1/3/131379820/77bf90c7.pdfIn PDF document text
    • https://bivesezuwewosup.weebly.com/uploads/1/3/4/7/134765681/3dcd82b2975b734.pdfIn PDF document text
    • https://pefemodadiz.weebly.com/uploads/1/3/4/5/134520562/7120979.pdfIn PDF document text
    • https://musibagufes.weebly.com/uploads/1/3/4/5/134587398/1909638.pdfIn PDF document text
    • https://jogosoti.weebly.com/uploads/1/3/1/4/131453036/07f3e11d37e007.pdfIn PDF document text
    • https://kanoritixuvu.weebly.com/uploads/1/3/4/8/134874131/wupusale.pdfIn PDF document text
    • https://logavamu.weebly.com/uploads/1/3/4/7/134746434/doxugezasojegij.pdfIn PDF document text
    • https://nodirodenesubob.weebly.com/uploads/1/3/5/9/135986245/zuxegewirazukawozam.pdfIn PDF document text
    • https://sukewemuzi.weebly.com/uploads/1/3/4/6/134668821/d2c267d120335b6.pdfIn PDF document text
    • https://jiwujidevidu.weebly.com/uploads/1/3/0/8/130874067/cd3d5b5309b.pdfIn PDF document text
    • https://kenivefu.weebly.com/uploads/1/3/4/7/134715486/jafen-talur-mefuzopi.pdfIn PDF document text
    • https://jaxebenub.weebly.com/uploads/1/3/4/2/134266064/6277980.pdfIn PDF document text
    • https://dafavazama.weebly.com/uploads/1/3/4/8/134893815/zigufulapevun.pdfIn PDF document text
    • https://tototatinup.weebly.com/uploads/1/3/4/3/134332383/rinobogazav_lafapafasupoku_juwasozovonozem.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_off000121b1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x121B1 17188 bytes
SHA-256: 0769f93332d3717398b9ed5be2f2c973c0c204f1c650015e00bc4882ae96a612
font_01_sfnt_off00014e52.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14E52 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_02_sfnt_off000164f6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x164F6 10980 bytes
SHA-256: cc7be7746423a5d3c52eef3d591866878562f8054149092de24b387594ca7da8

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