Malicious PDF — malware analysis report

Static analysis result for SHA-256 af25701c6b834507…

MALICIOUS

PDF

89.8 KB Created: 2022-04-08 16:49:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-21
MD5: 45f1c335c70fbddfbd46f559337c1474 SHA-1: ec6b2531e6eb40d279cc8b990e32aa69cb96ad68 SHA-256: af25701c6b8345078406693a63bcbb0d61dbc51b4c03034c297d282190db1b5f
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9974

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://wirut.co.za/YmrXLWy8?keyword=which%20is%20better%20warm%20or%20cold%20mist%20humidifier PDF link annotation
    • https://lotogifivetizub.weebly.com/uploads/1/3/4/3/134309957/4481491.pdfIn PDF document text
    • https://ibest.itcmati.ru/admuploads/file/xezosowinulede.pdfIn PDF document text
    • https://sufotope.weebly.com/uploads/1/3/0/7/130775917/baxeta_zuzetiso.pdfIn PDF document text
    • https://wosexepipoto.weebly.com/uploads/1/3/5/3/135347387/seret.pdfIn PDF document text
    • https://jurojapelo.weebly.com/uploads/1/3/4/8/134878956/bifutekov.pdfIn PDF document text
    • http://www.studioamorosi.com/notizie/allegati/mazof.pdfIn PDF document text
    • https://lokurosafo.weebly.com/uploads/1/3/4/4/134479987/1592537.pdfIn PDF document text
    • https://hoatuoi360.vn/uploads/files/runerulokuwolokunudep.pdfIn PDF document text
    • http://theblare.com/image/upload/file/zolusuvegagewate.pdfIn PDF document text
    • https://tilopiwopuva.weebly.com/uploads/1/4/1/2/141278905/2948987.pdfIn PDF document text
    • http://www.emailposte.com/pictures/xajaropij.pdfIn PDF document text
    • https://lurenejaxerugu.weebly.com/uploads/1/3/4/7/134728533/5949af.pdfIn PDF document text
    • https://gskrem.ru/img/file/kupetitasatemoviwofeduja.pdfIn PDF document text
    • https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/06afn48hdfa5d1v1bv2fabe3r1/tenoduvefeximagobonunose.pdfIn PDF document text
    • https://vilaferadir.weebly.com/uploads/1/3/4/7/134771168/xojezegakawezo.pdfIn PDF document text
    • https://wunapeno.weebly.com/uploads/1/3/4/6/134621426/lusesidoketobaz.pdfIn PDF document text
    • https://ruxuwode.weebly.com/uploads/1/4/1/2/141288771/5796983.pdfIn PDF document text
    • https://vojojetisas.weebly.com/uploads/1/3/4/5/134589564/6004086.pdfIn PDF document text
    • https://sokegipamemaxo.weebly.com/uploads/1/3/4/3/134345901/melutivowosadax-pixanamuxu-kivipeja.pdfIn PDF document text
    • https://lelugawe.weebly.com/uploads/1/3/4/5/134590829/masak.pdfIn PDF document text
    • https://sadex.pl/fck/file/soranuzowafudulidekikaguk.pdfIn PDF document text
    • https://tadizape.weebly.com/uploads/1/3/1/6/131637484/lubalitajaxuk.pdfIn PDF document text
    • https://infypos.com/infyposcms/media/38474223798.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_off0000f839.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF839 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off00011050.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11050 10956 bytes
SHA-256: 44a1a85db4683be7935edd32b18b358cfbfafa66ea7d9999cd7d6b00e477f359
font_02_sfnt_off000129ca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x129CA 17420 bytes
SHA-256: 247098b02f95f8215df9f568a101966af0909d7cd7381b04824ab18996d2aec5

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