Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e3ba9a543061fc6…

MALICIOUS

PDF

366.1 KB Created: 2022-03-06 04:46:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-20
MD5: 40233a463470c38275bb476b72f45657 SHA-1: 63bce59563bda86732784c23d160cf369233f372 SHA-256: 4e3ba9a543061fc663fb980399d6dad407fc428b8fa1d9e707c1f10cd0cf435c
174 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.6448

Heuristics 7

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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.
  • 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://lovig.co.za/XSRYdR1H?utm_term=google+docs+checklist+android PDF link annotation
    • http://corpinal.com/kcfinder/upload/files/78780939115.pdfIn PDF document text
    • http://life-homeshop.buyout8.com/asset/uploads/files/68615878013.pdfIn PDF document text
    • http://gachtrangtritranvinhtin.com/gachtrangtritranvinhtin/Images_upload/files/janujibagaja.pdfIn PDF document text
    • http://capitaloffice.pl/fotki/file/1782451156.pdfIn PDF document text
    • https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/p3l92u8mi6j7jg7qg4fv9nlrbc/gujofojavo.pdfIn PDF document text
    • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/1621c0a4b851d3---vefifasavutawepozelunot.pdfIn PDF document text
    • http://znsedu.net/admin/ckeditor/kcfinder/upload/files/48351528492.pdfIn PDF document text
    • https://postele-z-masivu.sk/ckfinder/userfiles/files/16297234807.pdfIn PDF document text
    • https://manorhair.com/uploads/files/202203010252142920.pdfIn PDF document text
    • http://n3ss.ro/ckfinder/userfiles/files/85881573520.pdfIn PDF document text
    • http://bowlingkillers.com/imgdb/files/10847034770.pdfIn PDF document text
    • https://garmin2.ddbseven.cl/userfiles/file/zekatokuvezusuna.pdfIn PDF document text
    • http://babijie.com/upload_fck/file/2022-2-23/20220223184927192007.pdfIn PDF document text
    • http://fuchs-orthopaedie.de/UserFiles/file/daferonorazagin.pdfIn PDF document text
    • https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/84d28a8b87ba96a7f823ab0fe1e4d4a4/zevajusuxal.pdfIn PDF document text
    • https://inc.pamlskovnik.cz/ckfinder/userfiles/files/jegipifanoweforero.pdfIn PDF document text
    • http://helenhotel.vn/upload/files/7548962504.pdfIn PDF document text
    • https://badrivishal.com/media/desutagidodu.pdfIn PDF document text
    • http://www.salda.se/saldus/kcfinder/upload/files/83981637791.pdfIn PDF document text
    • http://denkobarbell.com/_upload/files/31761247721.pdfIn PDF document text
    • http://rudolphalexander.com/uploads/files/jixasemokozemavip.pdfIn PDF document text
    • http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/162152cc97eb45---48392407628.pdfIn PDF document text
    • https://maria-galland.ru/files/file/84971386524.pdfIn PDF document text
    • https://barrier.exma.cl/ckfinder/userfiles/files/62014875313.pdfIn PDF document text
    • http://radecznica.pl/userfiles/file/97296933133.pdfIn PDF document text
    • http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16217085d7df7f---mopamewalas.pdfIn PDF document text
    • http://duel.pl/userfiles/file/22027196315.pdfIn PDF document text
    • http://grotech.in/userfiles/file/vewexitekevebuborunepaxo.pdfIn PDF document text
    • http://www.performhabitat.fr/bundles/astadmin/js/ckfinder/userfiles/files/23211731561.pdfIn PDF document text
    • http://boryspil.osp-ua.info/userfiles/file/47853401556.pdfIn PDF document text
    • http://runo34.ru/attachments/file/nitimofubox.pdfIn PDF document text
    • http://cngwalk.com/fckeditor/userfiles/image/15801929370.pdfIn PDF document text
    • http://sjzhtchem.com/upload/files/13136652438.pdfIn PDF document text
    • https://easyown.ddproperty.com/datas/files/90542776596.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.netReferenced by PDF JavaScript
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseReferenced by PDF JavaScript

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005482e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5482E 10780 bytes
SHA-256: ea0992060e87f7bd7552e77efe45c362451729c314c349c02b852aa372ef9522
font_01_sfnt_off000560cb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x560CB 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_02_sfnt_off000577e6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x577E6 18568 bytes
SHA-256: 6cae5bf9d41556f2b825f702a6691a226dafcd1d155ec03ee82ab8df8737388a

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