Malicious PDF — malware analysis report

Static analysis result for SHA-256 445734d71ef59472…

MALICIOUS

PDF

517.8 KB Created: 2022-04-19 14:15:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-12
MD5: 2479bac6733d010536e4c09474e30e2f SHA-1: c7cfe3547883ec8d4906fb987d76e8d0af5b324c SHA-256: 445734d71ef59472a3cd0c13bf481f58a9301ad9f2b2990cebacf160e5d8a1be
144 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded JavaScript and external URIs, indicating it is designed to lure users with a fake download. The heuristic 'PDF_SEO_UTM_REDIRECTOR_LINK' specifically points to a phishing attempt using an SEO redirector. The embedded JavaScript likely facilitates the download or redirection to a malicious payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5016

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.
  • 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://norin.co.za/XSRYdR1H?utm_term=the+turn+of+the+screw+book+pdf PDF link annotation
    • https://sapuzexa.weebly.com/uploads/1/3/5/3/135348006/2944215.pdfIn PDF document text
    • https://codefon.hu/js/ckfinder/userfiles/files/71623587216.pdfIn PDF document text
    • https://filuwanukolo.weebly.com/uploads/1/3/4/8/134874182/kasimoxuxazip-fejux-sikopebad-dezipidukamire.pdfIn PDF document text
    • https://lavulujataj.weebly.com/uploads/1/3/4/5/134576306/6f6a59.pdfIn PDF document text
    • https://vifelewumatorav.weebly.com/uploads/1/3/4/6/134669873/3973079.pdfIn PDF document text
    • https://zekogogebiw.weebly.com/uploads/1/3/1/4/131453397/wexololog.pdfIn PDF document text
    • https://muduzefob.weebly.com/uploads/1/3/4/0/134018051/fojejotemebememif.pdfIn PDF document text
    • https://rimokukesezawuk.weebly.com/uploads/1/3/1/4/131437069/98a36.pdfIn PDF document text
    • http://3e3i.com/UserFiles/file///58157424900.pdfIn PDF document text
    • https://lederanun.weebly.com/uploads/1/4/1/3/141371637/7262901.pdfIn PDF document text
    • https://zomudefe.weebly.com/uploads/1/3/0/7/130740133/49feb087a41d837.pdfIn PDF document text
    • https://fumitosebajogo.weebly.com/uploads/1/3/0/7/130740118/zepax.pdfIn PDF document text
    • https://delphin-bau.com/ckfinder/upload/files/nojowusibobukeva.pdfIn PDF document text
    • https://nobawevedidilut.weebly.com/uploads/1/3/1/3/131379382/rawukutok.pdfIn PDF document text
    • https://xazujojupise.weebly.com/uploads/1/3/4/4/134493550/wefavewasegofetek.pdfIn PDF document text
    • https://naviguxiva.weebly.com/uploads/1/3/4/2/134266723/wixodowag.pdfIn PDF document text
    • http://cjmfgx.morefriendship.com/upload/files/jujojowixe.pdfIn PDF document text
    • http://kysciencefair.sfiab.com/data/userfiles/file/nofilotewesufapus.pdfIn PDF document text
    • https://kuredebe.weebly.com/uploads/1/3/0/7/130740483/jujupinunej.pdfIn PDF document text
    • https://fewixamugepa.weebly.com/uploads/1/4/1/2/141257637/xuvisape.pdfIn PDF document text
    • https://nomikevokatipo.weebly.com/uploads/1/3/1/8/131859895/maxelonapejuda.pdfIn PDF document text
    • https://winojarenegesut.weebly.com/uploads/1/3/4/4/134481716/lelogiwamev.pdfIn PDF document text
    • https://kagujovo.weebly.com/uploads/1/3/5/2/135298661/zosevusesusef.pdfIn PDF document text
    • https://mawetifatine.weebly.com/uploads/1/3/2/6/132683292/cccc2.pdfIn PDF document text
    • http://meskyayin.com/dosyalar/File/kulepojatezenajireviwevof.pdfIn PDF document text
    • https://value.ae/userfiles/file/renotuxebojulot.pdfIn PDF document text
    • https://denizlihorozu.com/resimler/files/98969284938.pdfIn PDF document text
    • https://kokopepexepu.weebly.com/uploads/1/3/1/3/131379351/mexotepilub.pdfIn PDF document text
    • https://birugenok.weebly.com/uploads/1/3/4/6/134632973/fd36aececc893.pdfIn PDF document text
    • https://rinedasufuketon.weebly.com/uploads/1/3/4/3/134340565/909035.pdfIn PDF document text
    • https://kunobozawi.weebly.com/uploads/1/3/1/4/131453145/divuzusunoxobe.pdfIn PDF document text
    • https://fapuwokezisojo.weebly.com/uploads/1/3/1/4/131453853/7369101.pdfIn PDF document text
    • https://siwetoro.weebly.com/uploads/1/3/0/8/130814297/wisegakor-xewijos-buvibe-torapijemosot.pdfIn PDF document text
    • https://taroxeme.weebly.com/uploads/1/3/4/3/134358537/8279480.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_off0007a609.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A609 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0007be1b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7BE1B 18632 bytes
SHA-256: d223911bb3e25f3b991daa94f44a41a4e759a0e3869543051476ad3bc89c848f
font_02_sfnt_off0007ee7d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7EE7D 10800 bytes
SHA-256: 5324e87e34f6b2abd1a1af99003d43fed50dfee0aeb486b62b2fd032c1a008b8

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