Malicious PDF — malware analysis report

Static analysis result for SHA-256 4af4572d880d776d…

MALICIOUS

PDF

323.5 KB Created: 2022-03-24 11:15:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05
MD5: 9421eccd7cb1f14b06261f79d74e9838 SHA-1: 0c9b90c3ea83c9498c9c88aff8af5fd7b83cace8 SHA-256: 4af4572d880d776deb11effbd614cf4251822e5bff6d789062d4d6b3503231dc
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7026

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://ragaz.co.za/XSRYdR1H?utm_term=dyson+hot+cool+reviews PDF link annotation
    • http://onmamtour.com/FileData/ckfinder/files/20220211_9104A22740630403.pdfIn PDF document text
    • http://hardevel.com/data/files/sakikimolawegelug.pdfIn PDF document text
    • https://5703n1n6999-6a55.com/contents/files/matijelepofifinufisi.pdfIn PDF document text
    • http://gyogytornasziget.hu/uploads/files/bozejazapezusewobe.pdfIn PDF document text
    • http://congseng.com/uploadfile/files/gevuweteguronanelobifu.pdfIn PDF document text
    • http://avatars.ru/userfiles/file/fefulomuk.pdfIn PDF document text
    • https://rozetki.moscow/kcfinder/upload/files/93711635097.pdfIn PDF document text
    • http://promerilaclama.com.tr/panel/kcfinder/upload/files/22582692557.pdfIn PDF document text
    • https://damiel.eu/userfiles/file/todukawaposipil.pdfIn PDF document text
    • http://wogo.net/data/wogo.net/uploadfiles/file/kagesimufisugapejili.pdfIn PDF document text
    • http://formasrl.com/admin/kcfinder/upload/files/wajowikovasatidi.pdfIn PDF document text
    • https://acconpriti.com/ckfinder/userfiles/files/16290113882.pdfIn PDF document text
    • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/162288648c21f8---37610510852.pdfIn PDF document text
    • http://shinyoungvalve.com/userData/board/file/2199137868.pdfIn PDF document text
    • https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/161faa504cc4ec---gavimotogebexinapinudif.pdfIn PDF document text
    • http://divorceinhungary.hu/kcfinder/upload/files/varowawawubofizelax.pdfIn PDF document text
    • https://aljazeerahdrilling.com/userfiles/files/pimemogofusovovative.pdfIn PDF document text
    • http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1623986bcb479c---biwij.pdfIn PDF document text
    • https://h016s5or78-du3.com/contents/files/jukorozanomaxekovifiwavo.pdfIn PDF document text
    • http://chandox.yun2u.com/upload/files/25636927225.pdfIn PDF document text
    • https://emssakhon.com/assets/kcfinder/upload/files/38177234340.pdfIn PDF document text
    • https://pisausakti.com/contents/files/38276163458.pdfIn PDF document text
    • http://ban-dong-mat-cong-nghiep.theonejsc.com/userfiles/file/pazepagaw.pdfIn PDF document text
    • http://gzcaifeilai.com/ckfinder/userfiles/files/202202151558126637.pdfIn PDF document text
    • https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/9fca8a9e3cbd0e1b4a4316c3610034ea/52164310000.pdfIn PDF document text
    • http://museodegliarazzimarsala.com/userfiles/files/vimosagakenajigaboli.pdfIn PDF document text
    • http://pathtojanna.com/userfiles/files/nekitimenajimaf.pdfIn PDF document text
    • https://www.v-investor.ru/kcfinder/upload/files/bozizeluvafuwase.pdfIn PDF document text
    • http://bbu.vn/Images_upload/files/42649896765.pdfIn PDF document text
    • http://kapitan.eu/upload/files/kukepupekaxuvun.pdfIn PDF document text
    • http://yenidenyuzlendirme.com/ckfinder/userfiles/files/jofaxatile.pdfIn PDF document text
    • https://b2cdemo.tickets.com/content/files/zaraxagigire.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_off0004a1c8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4A1C8 10432 bytes
SHA-256: 8c3e398ef8ee0380c7de1182942378278b63162b502e8779be28ab87098a9d87
font_01_sfnt_off0004b96a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4B96A 17932 bytes
SHA-256: ad9b83a98a697a6377f8d2d7b324d8ca3e3494d6e70f8d9a3ff22c099de30cc5
font_02_sfnt_off0004e73f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4E73F 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9