Malicious PDF — malware analysis report

Static analysis result for SHA-256 72be2101bf497e27…

MALICIOUS

PDF

119.4 KB Created: 2022-04-26 18:44:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-28
MD5: 3fda49b1fb3ea3b3d716626fa3076652 SHA-1: 7b1e9cf49d675eea043094a5eaa599bee027357c SHA-256: 72be2101bf497e2760af2293b571c2cf5710f0e558d263815412476fd7f59434
194 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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.
  • 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.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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://lovig.co.za/YmrXLWy8?keyword=romance%20of%20the%20three%20kingdoms%20book%20amazon PDF link annotation
    • https://kegilosibumu.weebly.com/uploads/1/3/4/5/134513635/99524fc906b.pdfIn PDF document text
    • https://mazekijaxok.weebly.com/uploads/1/3/1/4/131453602/188f5c6a.pdfIn PDF document text
    • https://givifajilodox.weebly.com/uploads/1/3/0/8/130874655/wotiwijabikixi.pdfIn PDF document text
    • https://andreivieru.com/ckfinder/userfiles/files/19141831262.pdfIn PDF document text
    • https://conexkarvan.com/cache/fck_files/file/molifowosimulogutesewajir.pdfIn PDF document text
    • https://malodarugamizo.weebly.com/uploads/1/3/4/8/134853004/nezuzobakekejuganope.pdfIn PDF document text
    • https://kugekubaf.weebly.com/uploads/1/3/7/5/137511437/sewiwu.pdfIn PDF document text
    • https://bemesamug.weebly.com/uploads/1/3/4/7/134722017/baad8.pdfIn PDF document text
    • https://lemosipezo.weebly.com/uploads/1/3/5/3/135326275/3834999.pdfIn PDF document text
    • https://voloxamofe.weebly.com/uploads/1/3/0/8/130874475/1afa3f3a59.pdfIn PDF document text
    • https://zefijevizo.weebly.com/uploads/1/3/2/3/132302816/7100232.pdfIn PDF document text
    • http://robodit.ru/kcfinder/upload/files/98042939979.pdfIn PDF document text
    • https://voganolov.weebly.com/uploads/1/3/4/3/134372868/b1d6c05c6ef4594.pdfIn PDF document text
    • https://www.veskom-slovakia.sk/gfx/administration/js/ckeditor/kcfinder/upload/files/98259000746.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_off00016d19.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x16D19 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0001852b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1852B 18420 bytes
SHA-256: fac7eadf6fcbcbbcb66a0bf239f09a228a87aad712bc7cd027a4604b7aae79f3
font_02_sfnt_off0001b5b3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1B5B3 11216 bytes
SHA-256: 0554a539eb2e1bc48e50eec85005a4fdea1cd9fcd7c0f97b0ea3bab6ff6e75a0

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