Malicious PDF — malware analysis report

Static analysis result for SHA-256 96eb8a327f9039b6…

MALICIOUS

PDF

85.4 KB Created: 2021-06-30 10:55:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05
MD5: 2f2e662a61179faf3b935cca474ab728 SHA-1: 56fdd9a23cfcbd753f16bbc7c5c4e425d931ccec SHA-256: 96eb8a327f9039b60eabefb7455913ad87bf886cc21437d5d5a8d5b4925d79cb
156 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF file was identified as malicious by ML classifiers and ClamAV, indicating it likely contains malicious content. It functions as a link farm, with numerous URLs pointing to potentially compromised WordPress sites, suggesting an attempt to lure users to malicious destinations. The presence of external URIs and link farm heuristics strongly supports this attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9951

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://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/k019a4uhgguejt22pv32germos/60798407505.pdf In PDF document text
    • http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160baa54a5920d---98582598345.pdfIn PDF document text
    • https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/pvrs3g90vmtv428fd0ti5cbubo/xojulakipeneneminopokadib.pdfIn PDF document text
    • http://mawaevents.com/uploads/file/luvunosus.pdfIn PDF document text
    • http://drapa-technika.cz/UserFiles/File/sakabedeta.pdfIn PDF document text
    • https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/160904cdbdd45c---vudadibifo.pdfIn PDF document text
    • https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/2ff9eb65131003e468c623c6849288dd/ruketutopag.pdfIn PDF document text
    • http://www.supercarrentalsofmiami.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1946624dcd---divida.pdfIn PDF document text
    • http://trunglam.vn/uploads/userfiles/file/17282570837.pdfIn PDF document text
    • http://grupposcorcia.it/userfiles/files/16928365060.pdfIn PDF document text
    • https://stiff.pl/ckfinder/userfiles/files/texezekisob.pdfIn PDF document text
    • https://bluebeakbranding.com/wp-content/plugins/super-forms/uploads/php/files/9c5cfc6a369e6a35432da54f96b3a987/xujisovepotobotufiguve.pdfIn PDF document text
    • http://chanakol.com/ckfinder/userfiles/files/1054465459.pdfIn PDF document text
    • https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/b2996d608a27ab4de7ecfd7bcb00a4cc/pemuronovezikalew.pdfIn PDF document text
    • http://ronaldtan.nl/images/photo/jelujijebesinaworemezi.pdfIn PDF document text
    • http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16074c127b2ab8---gogugitujovunuriw.pdfIn PDF document text
    • http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d3086e89fd---nifolakiboliwuzelumog.pdfIn PDF document text
    • https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160711f8638a88---zogeralusutogujewemepa.pdfIn PDF document text
    • https://laser-arena.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1608b704358292---77435748948.pdfIn PDF document text
    • http://royalgoodviewresort.com/Uploads/file/97318073748.pdfIn PDF document text
    • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607cae6ddedfb---90751326027.pdfIn PDF document text
    • https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b1644dc321---vebewud.pdfIn PDF document text
    • https://capitaleny.com/wp-content/plugins/super-forms/uploads/php/files/524db0cfaaf6beb83c2e148e4a66f4ca/wejedodabapilabagidudu.pdfIn PDF document text
    • http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/knjk8cuv02rp75lkt55au38s46/86342810890.pdfIn PDF document text
    • http://landpas.pl/upload/file/vepewasolezakanuzito.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=receptive+aphasia+examplePDF 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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ec8d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC8D 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0001049f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1049F 16304 bytes
SHA-256: 60afc619f4965b24869713b5669fc159a585a737836e6595549e8df28d665325
font_02_sfnt_off00012ee2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12EE2 10528 bytes
SHA-256: 7594c749877f84e8b629476105eab1c517cec235bfe2c75984c94fc15129e3ff