Malicious PDF — malware analysis report

Static analysis result for SHA-256 42541d06cbb9c9f0…

MALICIOUS

PDF

74.1 KB Created: 2021-10-07 01:06:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-15
MD5: f9f80f8b441c8df9e9ebbcd1473a7990 SHA-1: ffe0deda852c65a40cbeeea87170df7bb37b21db SHA-256: 42541d06cbb9c9f014d0dbdec8008f93087856acf98d8faf96ba8297fc6b5806
134 Risk Score

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
  • 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 https://queure.ru/uplcv?utm_term=tailed+beasts+as+babies PDF link annotation
    • https://www.wizzfizz.com.au/application/third_party/ckfinder/userfiles/files/88744017395.pdfIn PDF document text
    • http://itaxabc.com/userfiles/file/20210905055126_243025399.pdfIn PDF document text
    • http://mylead-journey.mandiricareer.net/contents/files/nisagolikinanimed.pdfIn PDF document text
    • http://labuchedeberce.fr/userfiles/file/58696321858.pdfIn PDF document text
    • https://lose-weight.tw/upload/files/76549613923.pdfIn PDF document text
    • http://agrostroi-proekt.ru/ckfinder/userfiles/files/xogizupaxososofobekixo.pdfIn PDF document text
    • http://nsdadventist.org/FCKData/file/mojimokuxonaman.pdfIn PDF document text
    • http://codienlanhtrangia.com/Images_upload/files/15563996787.pdfIn PDF document text
    • https://aartipalette.com/userfiles/file/42189318721.pdfIn PDF document text
    • https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615178aae7dcc---majoxe.pdfIn PDF document text
    • http://gvs-russia.ru/admin/ckfinder/userfiles/files/sujudibevojenub.pdfIn PDF document text
    • http://simonhoirup.dk/userfiles/file/79954081135.pdfIn PDF document text
    • https://trystsalonri.com/images/file/gidajotuwojonesafunular.pdfIn PDF document text
    • https://mimpiindahsatu.com/contents/files/41831474816.pdfIn PDF document text
    • http://artin-intranet.com/ckupload/files/powipunelonuxifuvo.pdfIn PDF document text
    • http://xn--80affcyoc0ac1f6a.xn--p1ai/admin/modules/ckeditor/ckfinder/userfiles/files/guwigugulewanalusugife.pdfIn PDF document text
    • http://adhdesign.de/userContent/files/20210908185704-weliwirezilofitosenogasef.pdfIn PDF document text
    • http://www.palmettoexpresslanes.com/system/js/back/ckfinder/userfiles/files/widoxepopegisit.pdfIn PDF document text
    • http://dydlhx.com/upfiles/file///37573272145.pdfIn PDF document text
    • http://ballmillfactory.com/d/files/petejugofile.pdfIn PDF document text
    • https://octvads.site/js/ckfinder/userfiles/files/77782041833.pdfIn PDF document text
    • http://lifeline-sports.com/files/file/wigevefum.pdfIn PDF document text
    • http://st-johnson.com/Uploadfiles/files/45991736798.pdfIn PDF document text
    • http://myapartment.de/web/editor/files/bukewaganujodik.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_off0000bd8e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBD8E 10020 bytes
SHA-256: 1c16539b9524300e1f261b7e1751535f6836a25a39e92a202dc6e62c761d41a5
font_01_sfnt_off0000d3ea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD3EA 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0000ebfc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEBFC 17892 bytes
SHA-256: d167c609563c06baaac9499176916aa2562aee91e93ef8d98a8ec022fc847559

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