Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e372e65a4d5a8e4…

MALICIOUS

PDF

370.7 KB Created: 2022-04-20 22:13:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19
MD5: e38b5cf4037ee2279b6277c722340008 SHA-1: e4fa80851948d0a36c30570a055bee1ef1353474 SHA-256: 4e372e65a4d5a8e4427b7cd2adf685365cd760ea991d5bd917dcbccd75b784cd
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.6792

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
  • 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.
  • 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://sunuf.co.za/XSRYdR1H?utm_term=adverbs+practice+worksheet+6th+grade PDF link annotation
    • http://bnrware.com/uploadfile/fckeditor/file/genebugaj.pdfIn PDF document text
    • https://polytex.de/sites/default/files/3792359533.pdfIn PDF document text
    • http://batterseataxi.com/survey/userfiles/files/liwisafagefufusi.pdfIn PDF document text
    • http://mingzhicc.com/userfiles/files/rogez.pdfIn PDF document text
    • https://unitedfightalliance.jordanadams.com/ckfinder/userfiles/files/68231410495.pdfIn PDF document text
    • http://pixel-pro.ru/upload/file/17626894410.pdfIn PDF document text
    • http://www.stts-tir.com/admin/kcfinder/upload/files/86874253155.pdfIn PDF document text
    • http://abmys.org/kcfinder/upload/files/mesotimu.pdfIn PDF document text
    • http://alacarte-husum.de/userfiles/file/fuvoxa.pdfIn PDF document text
    • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1621543d81dee3---50741798469.pdfIn PDF document text
    • https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/94b06c22c5116443dae0a2d1ff691ed2/144482441.pdfIn PDF document text
    • http://volareinmongolfiera.it/userfiles/files/vapuwozojutawojasemutedig.pdfIn PDF document text
    • http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/1625372bdc798f---10388918964.pdfIn PDF document text
    • https://llibreriaha.com/img/events/file/kotaminifozavolivexer.pdfIn PDF document text
    • http://www.immat.org.tr/kcfinder/upload/files/89092223903.pdfIn PDF document text
    • https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/51a642a990f43d69cd3a249f80b5933c/7445629259.pdfIn PDF document text
    • http://elegancegioielli.it/upload/userfiles/files/tevupodokefapuv.pdfIn PDF document text
    • http://www.waheedullahauto.ae/admin/kcfinder/upload/files/kizedigu.pdfIn PDF document text
    • http://neodentpetrosino.it/userfiles/files/79956582194.pdfIn PDF document text
    • http://mariautonoleggiomarsala.it/userfiles/files/97187347543.pdfIn PDF document text
    • http://joyearland.com/ckfinder/userfiles/files/39243271026.pdfIn PDF document text
    • https://whitelancer.com/sites/default/userfiles/file/xeletaxopipapujuwufekag.pdfIn PDF document text
    • http://azizolace.cz/images/file/40808927860.pdfIn PDF document text
    • http://vmkmsz.hu/userfiles/file/48835520673.pdfIn PDF document text
    • https://zagi.hr/files/63576276212.pdfIn PDF document text
    • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1624e4ced307a4---gopitetamojoxavomos.pdfIn PDF document text
    • http://besttailor.info/ckfinder/userfiles/files/69515022421.pdfIn PDF document text
    • https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/1621a2bc5953bc---81594186900.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_off000558d5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x558D5 18544 bytes
SHA-256: 61936c62db3e32fdb6ab20fc18547437469551bf22e2559ec4c2bbaf5e9d9603
font_01_sfnt_off000588fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x588FA 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0005a111.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5A111 11176 bytes
SHA-256: 06aae299b20be55becb7e0a0ac32e3cc4dcb58697be5fdd35839c13d47502501

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