Malicious PDF — malware analysis report

Static analysis result for SHA-256 8bde7f3ce3c2eb78…

MALICIOUS

PDF

100.0 KB Created: 2021-07-01 09:21:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05
MD5: 28c0ad0dc8e0ecd92b8bfece10d6b788 SHA-1: e4374881529b9bd50bf58fecd319ea3e158ae7f2 SHA-256: 8bde7f3ce3c2eb78e5f9dcaa186ab19f1db4d9c90c0dba3dd851ae2228cb855e
156 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to lure users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution. No scripts were extracted, but the structure and URL patterns are indicative of a phishing or redirection campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9737

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
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://bodwellassociates.com/wp-content/plugins/super-forms/uploads/php/files/358f1b8c9da28213510963837fd08ec9/xagajileged.pdf In PDF document text
    • https://etcbt.com/userfiles/file/vosijebulazotofuvuwugima.pdfIn PDF document text
    • https://gregor-biffiger.ch/userfiles/file/viwevidedujasejutevuli.pdfIn PDF document text
    • http://jcon-aps.dk/userfiles/file/zupixemajodifelimibu.pdfIn PDF document text
    • http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca93c6f7af---zujazodemefokaxararu.pdfIn PDF document text
    • https://chmelo.hu/sites/default/files/file/buveke.pdfIn PDF document text
    • http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607cd99cafb1a---71325926072.pdfIn PDF document text
    • https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/ef5e73fbf3eec2b79b126820481ceef4/kolulugasebenaxojobujikif.pdfIn PDF document text
    • http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609cc16364073---64410139210.pdfIn PDF document text
    • https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/ec439b06d601d55ce410f6e9cb751bea/73057812466.pdfIn PDF document text
    • http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aba70440134---janekubereworifonaxuvati.pdfIn PDF document text
    • http://sofia-es.tokyo/yamituki-n/uploads/files/namalodoresagasuzijives.pdfIn PDF document text
    • https://bhsbeacon.com/FCKeditor/file/pojunobonufarazujowolig.pdfIn PDF document text
    • http://auchli-appenzeller.ch/userfiles/files/3975949437.pdfIn PDF document text
    • https://poolpoint.be/uploads/file/nuxafipamewazebelazu.pdfIn PDF document text
    • http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608768c11579c---ritiverofunegudelixilero.pdfIn PDF document text
    • https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/oqr5er8rqek0ceaoq4lc16tm77/kigafunavap.pdfIn PDF document text
    • http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608745365b465---85708724155.pdfIn PDF document text
    • http://kennedy-jackson.com/clients/f/f7/f78508644b517540cdb1549d93860f53/File/bexujiputewo.pdfIn PDF document text
    • http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608041f25d1e7---kutovovub.pdfIn PDF document text
    • https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/861b99017e021ee1b4181dc0198326a0/xudanexeregebuxezaw.pdfIn PDF document text
    • http://hndgyl.com/v15/Upload/file/20216222231412661.pdfIn PDF document text
    • http://esoftland.com/userfiles/file/berigaboxexufo.pdfIn PDF document text
    • https://villanakarin.com/userfiles/files/99235402890.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=6666+biblical+meaningPDF link annotation
    • 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 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f67e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF67E 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off00010e8b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10E8B 2196 bytes
SHA-256: 87bb45d3a40f2b3347dac80a68dbc5c05f1fa4ade69ce7ad59627574e6c9a29d
font_02_sfnt_off0001184f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1184F 21672 bytes
SHA-256: d24889eb26e648fa1fa91d71359454146d68ba86384e02176454ca948ece9394
font_03_sfnt_off00015142.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15142 16764 bytes
SHA-256: cb806da43d86d83dbad6de4554360110f72d93eba231a96f1e6d46aac33c603d
font_04_sfnt_off00016940.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x16940 10300 bytes
SHA-256: 3836819c1b0aa3fccf06335922664003ca4be00ad0121406b1da03f619a1663f

Open this report in the interactive analyzer, or submit your own file for analysis.