Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b6c76f0cc34a5df…

MALICIOUS

PDF

106.1 KB Created: 2021-08-12 19:59:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-17
MD5: 3df62f4838d320e423e0a3e4b01434e1 SHA-1: 930364c8bcef61fe2ba223e789556473855c1047 SHA-256: 2b6c76f0cc34a5df7ab6aede2745acba53797e1826c664cf9bd03c8a5598930a
164 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9860

Heuristics 7

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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 http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1b7f243dc0---29393361163.pdf In PDF document text
    • http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/160a649faacc78---jajuzinizivokitefarakewux.pdfIn PDF document text
    • http://parkettes.org/clients/b/b3/b30d687fb0e6fb0c44210170e51784d9/File/zogokipufevinatefoxa.pdfIn PDF document text
    • http://petra-dario.info/upload/datoteke/44438170723.pdfIn PDF document text
    • https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/5ed742449c8fb1212f87752854f78b42/91304620839.pdfIn PDF document text
    • http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a6b6c6cb698---bizewazorugijukawesapu.pdfIn PDF document text
    • http://phuvuongcorp.com/luutru/files/62107184212.pdfIn PDF document text
    • http://ejmk.com/ej/upload/files/moparazib.pdfIn PDF document text
    • https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/160de1350987fc---vuzawarakiz.pdfIn PDF document text
    • https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/78163cec1a634b4a38d2eba01b20b08e/gasenekowulamib.pdfIn PDF document text
    • https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1608f94229d65f---53743607855.pdfIn PDF document text
    • http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a364586b128---58552218456.pdfIn PDF document text
    • http://wittlich-luexem.de/userfiles/file/21080509205.pdfIn PDF document text
    • https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae1b410403a---94256101042.pdfIn PDF document text
    • http://2016.letnifestiwal.pl/ckfinder/userfiles/files/8927348305.pdfIn PDF document text
    • http://www.bc-arman.kz/ckfinder/userfiles/files/80618192212.pdfIn PDF document text
    • http://chickendaylacrescenta.com/uploads/files/2099345397.pdfIn PDF document text
    • http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/vvmvjucg4hg712u4dj3lgvl300/42188029925.pdfIn PDF document text
    • https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609831b2d713c---pokawolab.pdfIn PDF document text
    • http://maskaevlawyer.ru/userfiles/file/66473023776.pdfIn PDF document text
    • https://altonika.pro/files/fck/file/muranebelenifujiporuderak.pdfIn PDF document text
    • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/h4q4jlr465s1nvr39fj98te262/podexata.pdfIn PDF document text
    • http://controldellaves.com/app/webroot/arxius/file/71999119104.pdfIn PDF document text
    • http://grandrosso.com/js/upload/files/memanavinoraz.pdfIn PDF document text
    • https://freebcard.com/ckfinder/userfiles/files/jujojadu.pdfIn PDF document text
    • https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/160edf38a190dd---wosotadamep.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=explicacion+del+principio+de+cuantizacion+de+la+luzPDF 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_off00013703.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13703 18688 bytes
SHA-256: 151f00d8fdc6ebddf70df623ce7127f0cb6748a968531faf5f3634f4743adbde
font_01_sfnt_off000166bc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x166BC 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off00017ed3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x17ED3 10584 bytes
SHA-256: 17b59c6e06d7cd9da6c69b1417908bf828d3f6d3d689690d3c2ec5791642a06e