Malicious PDF — malware analysis report

Static analysis result for SHA-256 4454aae7b80858c3…

MALICIOUS

PDF

80.0 KB Created: 2022-04-06 08:31:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-10
MD5: 9368c9845f713da493089b8ff7748800 SHA-1: 224469b067e92c29485673a847c63740ffbdff19 SHA-256: 4454aae7b80858c3c09c7e50531a502daf840f234ccdfc6927d730d4b605735e
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://norin.co.za/YmrXLWy8?keyword=college%20cookbook%20healthy PDF link annotation
    • http://www.mardancci.com/assets/ckeditor/kcfinder/upload/files/kalovupu.pdfIn PDF document text
    • https://fishfish.mkbg.eu/uploads/userfiles/file/53160658021.pdfIn PDF document text
    • https://xidozabez.weebly.com/uploads/1/4/1/2/141231833/zesutakovezetuvilovu.pdfIn PDF document text
    • http://hdurmuslar.com/images_upload/files/xikimapujukawugumu.pdfIn PDF document text
    • https://rusebetasamafi.weebly.com/uploads/1/3/3/9/133997145/22e956e.pdfIn PDF document text
    • https://mufaguzesevulet.weebly.com/uploads/1/3/2/8/132814956/8c49822.pdfIn PDF document text
    • https://bufibetotireguk.weebly.com/uploads/1/3/0/7/130739935/82c48544c490d9.pdfIn PDF document text
    • http://reflexologyreiki.com/userfiles/file/92841769554.pdfIn PDF document text
    • https://upsoul.com.br/assets/kcfinder/upload/files/74756577315.pdfIn PDF document text
    • http://www.kirmatas.org.tr/kcfinder/upload/files/binazodanukolobofe.pdfIn PDF document text
    • https://jezogoxus.weebly.com/uploads/1/3/4/4/134402646/povitigubijavebijo.pdfIn PDF document text
    • https://bevufivob.weebly.com/uploads/1/3/4/6/134669401/nedopofa.pdfIn PDF document text
    • https://fifevogu.weebly.com/uploads/1/3/4/6/134602809/bubapixizu.pdfIn PDF document text
    • https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/16225a86fe60fc---80865191744.pdfIn PDF document text
    • http://debseven.net/UserFiles/File/55310296388.pdfIn PDF document text
    • https://gurekageta.weebly.com/uploads/1/3/2/6/132695257/6765c92a8.pdfIn PDF document text
    • https://sosegesidor.weebly.com/uploads/1/3/4/4/134465043/2295089.pdfIn PDF document text
    • https://sujolatako.weebly.com/uploads/1/3/4/6/134624807/dowijakelaso.pdfIn PDF document text
    • http://rzn-house.ru/upload/file/lirusilewis.pdfIn PDF document text
    • https://muvekova.weebly.com/uploads/1/3/5/3/135394778/juviwotuzo.pdfIn PDF document text
    • https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/161f891150fdfb---82256530247.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_off0000d34f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD34F 17152 bytes
SHA-256: 6ede8b394f69c1d1893b15fb1f7dd4e54e30c111c0ea71a80fa3006d7c3b2ea1
font_01_sfnt_off00010016.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10016 10424 bytes
SHA-256: e737188f00d9eb5b11e253df7d1377918a92df4c5b5dbc73140f961dd56725d2
font_02_sfnt_off000117fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x117FA 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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