Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd7efdcdd91df265…

MALICIOUS

PDF

66.9 KB Created: 2022-05-19 16:09:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-18
MD5: b8b97a741c12bc899b84f64f7ba9e7a0 SHA-1: a83e8ce3edc288299d009198382107832cd78e01 SHA-256: cd7efdcdd91df2654632ae582b0f85ffefc528453ef874069f04787932c4fafc
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://podar.co.za/YmrXLWy8?keyword=leaf%20morphology%20chart%20pdf%20template%20pdf%20download%20online PDF link annotation
    • https://nigepopevoxi.weebly.com/uploads/1/3/4/8/134881291/rurebemojew.pdfIn PDF document text
    • http://motegi-kk.com/upload/ban_img/files/sagozolutemajiki.pdfIn PDF document text
    • https://votixired.weebly.com/uploads/1/3/4/6/134633812/429e72e7330.pdfIn PDF document text
    • http://furnitura-syndicat.ru/ckeditor/ckfinder/core/connector/php/uploads/files/jajabagip.pdfIn PDF document text
    • https://gekibevuzoz.weebly.com/uploads/1/3/4/5/134503907/pupupaxa.pdfIn PDF document text
    • https://fesitupebuf.weebly.com/uploads/1/3/4/6/134654758/novot-ruvunaxuvufuxa-kugubikutu.pdfIn PDF document text
    • https://zowatiloni.weebly.com/uploads/1/3/0/7/130739934/3042112.pdfIn PDF document text
    • https://zosagejezigim.weebly.com/uploads/1/3/4/7/134709887/2387333.pdfIn PDF document text
    • http://sgiworld.com/cache/fck_files/file/zovedubo.pdfIn PDF document text
    • https://sezavifibeka.weebly.com/uploads/1/3/4/4/134463458/nokizajogek_vewitogijiziros_vosukokiremeba_mamidube.pdfIn PDF document text
    • https://jetorijeroxu.weebly.com/uploads/1/3/4/6/134693882/829843.pdfIn PDF document text
    • https://sedefartphotography.com/resimler/files/dutaxaloxelutel.pdfIn PDF document text
    • https://kuwujevo.weebly.com/uploads/1/3/4/8/134864034/zopupabikulujop-zekawufoj.pdfIn PDF document text
    • https://gipoxafevipetim.weebly.com/uploads/1/3/1/3/131398102/5097507.pdfIn PDF document text
    • http://peoplefoster.com/pliki/81063392283.pdfIn PDF document text
    • https://bsff.com/kcfinder/upload/files/26290363776.pdfIn PDF document text
    • https://regasefes.weebly.com/uploads/1/3/1/8/131871592/wirewebavejowimukes.pdfIn PDF document text
    • https://nudoguku.weebly.com/uploads/1/3/5/3/135306062/f477e7f10c.pdfIn PDF document text
    • http://beerskiboot.com/img/upload/file/14961795904.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_off0000a0fe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA0FE 16524 bytes
SHA-256: 122c40192df4d264479f92706de7c35e3c0f50247e27c7498b4021d6277a02a1
font_01_sfnt_off0000cbac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCBAC 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0000e3c3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE3C3 11056 bytes
SHA-256: b3e12889f1133ab7736432ef8025be6d56f0a1e4957f48c8526636e5bce75e3a

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