Malicious PDF — malware analysis report

Static analysis result for SHA-256 a4f55794379f5277…

MALICIOUS

PDF

339.7 KB Created: 2022-04-01 02:44:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-07-01
MD5: 1ba330041ca3c59b295fbcc9cd2f17ce SHA-1: 8d460ceb8d4fc17311c312be8c4ad934e0e3bcc5 SHA-256: a4f55794379f5277400b559e7ab14718986fd8af3f939102bfc76bf6662d8a6a
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7916

Heuristics 5

  • 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.
  • 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=the+influencing+machine+pdf PDF link annotation
    • http://2990592.ru/ckfinder/userfiles/files/wikasevokifinalig.pdfIn PDF document text
    • https://braindevelopmentmaps.org/userfiles/files/94021280830.pdfIn PDF document text
    • https://fililajivivumir.weebly.com/uploads/1/3/4/4/134456316/5397322.pdfIn PDF document text
    • https://fugowekarulosom.weebly.com/uploads/1/3/4/7/134700114/wogovevegunetax_titurasik_fubunowavofufev.pdfIn PDF document text
    • https://pesibomen.weebly.com/uploads/1/3/4/5/134576470/besapijeduzere.pdfIn PDF document text
    • https://luminesip.weebly.com/uploads/1/3/4/1/134108660/gebexijav.pdfIn PDF document text
    • https://jekotufuwin.weebly.com/uploads/1/3/1/4/131406020/8709660.pdfIn PDF document text
    • https://rajarajo.weebly.com/uploads/1/3/1/3/131398110/xidonu.pdfIn PDF document text
    • https://rupusuji.weebly.com/uploads/1/3/4/8/134878943/bufiru_danoredadesit.pdfIn PDF document text
    • https://nagobajega.weebly.com/uploads/1/3/1/3/131380413/6ae3f0d69.pdfIn PDF document text
    • https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/pme28l3tntkrqbaod3jb7295va/52933095655.pdfIn PDF document text
    • http://grosfillex.com.br/admin/plugins/ckeditor/kcfinder/upload/files/30067386706.pdfIn PDF document text
    • https://lezovijun.weebly.com/uploads/1/3/4/8/134865909/towatowewupijijalud.pdfIn PDF document text
    • https://mobasukirogejus.weebly.com/uploads/1/3/1/4/131453019/fidibagarijobasi.pdfIn PDF document text
    • https://jebupamix.weebly.com/uploads/1/3/6/0/136098333/4185636.pdfIn PDF document text
    • https://toromadon.weebly.com/uploads/1/3/4/5/134523466/tagijomaji.pdfIn PDF document text
    • https://kewekekonuv.weebly.com/uploads/1/3/4/7/134732265/81248e3f7068d2.pdfIn PDF document text
    • https://gigadejelurare.weebly.com/uploads/1/3/0/8/130874533/2299357.pdfIn PDF document text
    • https://dukezowe.weebly.com/uploads/1/3/4/6/134602160/dogubi.pdfIn PDF document text
    • https://fadafiwu.weebly.com/uploads/1/3/5/3/135302778/wufogapevavofut.pdfIn PDF document text
    • https://kufoxigokutef.weebly.com/uploads/1/3/1/8/131856815/tetozetup_kafazatenux_mulixikexugaki_mawebujudejalan.pdfIn PDF document text
    • https://jizejazubaro.weebly.com/uploads/1/3/4/3/134373429/nowepuxevola.pdfIn PDF document text
    • https://globaldreamindia.com/webcms/file/67328612740.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_off0004e1bf.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0004e1bf.bin)

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0004e1bf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4E1BF 10644 bytes
SHA-256: e9e1ce9c0c15dc858861eb8b11985a81efd65e33a9ba79a6107bb69d911aa9cc
font_01_sfnt_off0004f996.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4F996 18008 bytes
SHA-256: b90898dc2c392c6244c1934105ebe9d2843b345437db31d8722e0c846a2562ef
font_02_sfnt_off00052843.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x52843 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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