Malicious PDF — malware analysis report

Static analysis result for SHA-256 3bce7cf5ce474c34…

MALICIOUS

PDF

80.6 KB Created: 2022-04-16 06:32:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-20
MD5: 579655b0620fd99c232b606916e9167e SHA-1: 667f7a7912527e05ccf2b238ddbdf8fa3887e03c SHA-256: 3bce7cf5ce474c346585cd61399c6d4e23ede2aba0b1228737404920801e5136
256 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9909

Heuristics 8

  • 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.
  • ClickFix social engineering attack high SE_CLICKFIX
    Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
  • 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://pubogovivewata.weebly.com/uploads/1/3/2/3/132302724/292286295e3.pdf In PDF document text
    • https://sorefikope.weebly.com/uploads/1/3/4/6/134664591/08b7a7a17bdc313.pdfIn PDF document text
    • http://cyklokomfort.cz/files/kcupload/files/90404782194.pdfIn PDF document text
    • https://kefapadasogimok.weebly.com/uploads/1/3/4/6/134601884/593ae1345627638.pdfIn PDF document text
    • https://smshealthcareservices.com/ckfinder/userfiles/files/90534529616.pdfIn PDF document text
    • https://lizodeva.weebly.com/uploads/1/3/5/3/135342900/f3bcf0.pdfIn PDF document text
    • http://xn--b1adcbbai1bezln.xn--p1ai/content/File/posurowelenutisi.pdfIn PDF document text
    • http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1623ed422c5aa1---luduzeko.pdfIn PDF document text
    • https://hediyelikhanem.com/calisma2/files/uploads/polakokuzekirugifokemepi.pdfIn PDF document text
    • https://gozerivolese.weebly.com/uploads/1/3/4/2/134265833/lekanim.pdfIn PDF document text
    • https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/162234fceedef8---85733877279.pdfIn PDF document text
    • http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/16218f0ae54bca---45201523713.pdfIn PDF document text
    • http://www.icmtravel.net/assets/ckeditor/kcfinder/upload/files/99312154894.pdfIn PDF document text
    • https://gatheritup.com/js/kcfinder/upload/files/16999908297.pdfIn PDF document text
    • https://washlounge.in/ckfinder/userfiles/files/kogoninomiwisinel.pdfIn PDF document text
    • https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/7eabelq6ce4qqobc83da3flomi/tifarixidatokiratitekos.pdfIn PDF document text
    • https://jiditejebata.weebly.com/uploads/1/3/5/3/135305220/8134536.pdfIn PDF document text
    • http://kesherisrael.com/uploadEditor/files/47781867518.pdfIn PDF document text
    • http://a-spa.org/ckeditor/kcfinder/upload/files/zanarivir.pdfIn PDF document text
    • https://zoletewiv.weebly.com/uploads/1/3/2/6/132695336/5635630.pdfIn PDF document text
    • https://wyslijpaczki.pl/app/webroot/files/userfiles/file/52510176674.pdfIn PDF document text
    • https://lavivatum.weebly.com/uploads/1/3/1/4/131437335/2594606.pdfIn PDF document text
    • http://herve-coiffure.ci/files/nidavamivivelagadijar.pdfIn PDF document text
    • https://jodewiveso.weebly.com/uploads/1/3/0/8/130873916/bivodit_maremajejejavup_venopebimer_lawuwubom.pdfIn PDF document text
    • https://nudonadutosaj.weebly.com/uploads/1/3/4/5/134595964/5275213.pdfIn PDF document text
    • https://norin.co.za/YmrXLWy8?keyword=why%20will%20my%20hp%20printer%20not%20print%20from%20my%20computerPDF link annotation
    • https://3territoires.kopro.fr/userfiles/file/58631473284.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 extracted file (font_00_sfnt_off0000d4bd.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000d4bd.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d4bd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD4BD 10708 bytes
SHA-256: 576e9c99f723b3d005bc718df9bc50c879ca668b71ef8d60e967f28dfced4c8e
font_01_sfnt_off0000ed21.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED21 17380 bytes
SHA-256: 97f95e0ce5277519c844c6e3433b8c40242fad7284689febf36f19f355c08ff9
font_02_sfnt_off00011ac8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11AC8 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1