Malicious PDF — malware analysis report

Static analysis result for SHA-256 22403a901fef608a…

MALICIOUS

PDF

289.9 KB Created: 2022-03-24 01:48:11 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-23
MD5: 6eee28f93e9966cf84d94f341eeb0c1c SHA-1: 6424a18df3ef8d6ad8c7d533bee4cee77262f69c SHA-256: 22403a901fef608a1cdeb84da03656cb869ae73fd8ffac06f9878a25c297bdb1
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.6854

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://colod.co.za/XSRYdR1H?utm_term=geography+of+ancient+greece+map+skills+worksheet PDF link annotation
    • http://portalinmobiliario24.com/uploades/fckeditorfile/34553991287.pdfIn PDF document text
    • http://callbells.com.ua/kcfinder/upload/files/favekutifileworitozefapa.pdfIn PDF document text
    • http://mitcostruttori.it/userfiles/files/81247613858.pdfIn PDF document text
    • http://surestegc.org/documentos/file/totekukaxemuj.pdfIn PDF document text
    • http://chothuexehochiminh.com/userfiles/file/12927059183.pdfIn PDF document text
    • http://hbaoge.com/upload/files/20939248499.pdfIn PDF document text
    • http://navigator-nsk.ru/userfiles/file/pemimokokirabuviz.pdfIn PDF document text
    • https://www.cbrn.tj/nrsa_system/ckeditor/kcfinder/upload/files/nipivategozitu.pdfIn PDF document text
    • http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1622f71bb26255---wojapos.pdfIn PDF document text
    • https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/1623516689fac5---gowedisixusisivunares.pdfIn PDF document text
    • http://ba089457.coco1490.com/upload/file_folder/file/zodizi.pdfIn PDF document text
    • https://www.tailormadeholidayspt.com/kcfinder/upload/files/separimuzilobuju.pdfIn PDF document text
    • http://ktimavoyatzi.gr/images/files/files/gijivubara.pdfIn PDF document text
    • https://nazrabilisim.com/calisma2/files/uploads/zepinarotumajafawitedefo.pdfIn PDF document text
    • http://school19-zav.ru/userfiles/file/fetoruzoleginelajexafa.pdfIn PDF document text
    • http://mebelhotel.ru/userfiles/files/82187822946.pdfIn PDF document text
    • http://studionegro.net/userfiles/files/55902494027.pdfIn PDF document text
    • http://oinfo.cz/userfiles/file/21822294082.pdfIn PDF document text
    • https://willes-gb.com/uploads/files/202202091544305024.pdfIn PDF document text
    • http://cissi.it/userfiles/files/61669835518.pdfIn PDF document text
    • https://ossarentacar.cl/admin/uploads/file/vexebes.pdfIn PDF document text
    • https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/ef3bc86159874d8f23fc197ce2393364/lutupadugolona.pdfIn PDF document text
    • https://mepho.hu/ckfinder/userfiles/files/tafetinanarofirefexal.pdfIn PDF document text
    • http://patroha.hu/file/puxikenebekadomakurona.pdfIn PDF document text
    • https://uleiuri.ro/userfiles/file/17361110274.pdfIn PDF document text
    • http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/161f9b88e409ee---61256138313.pdfIn PDF document text
    • http://cdkkck.com/uploadfile/file/20220215085740.pdfIn PDF document text
    • http://tries.cz/media/images/upload/file/gakix.pdfIn PDF document text
    • http://sanfrancescovet.com/userfiles/files/56017725488.pdfIn PDF document text
    • http://machinesupplier.cn/data/product/file/2022221_16214_289.pdfIn PDF document text
    • http://hmondo.com/userData/board/file/11636281778.pdfIn PDF document text
    • https://cissud.it/uploads/ck_editor/files/ketijekemupu.pdfIn PDF document text
    • https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/02b937f70bbad140b950196d010741d3/wukemavevekusofixexazarig.pdfIn PDF document text
    • http://doicoffee.co.jp/js/kcfinder/upload/files/15903280635.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_off000413cf.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off000413cf.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000413cf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x413CF 19136 bytes
SHA-256: 529e211e514b0dc1622abd4c12f21b6da607be497467379df926dda003bacaaf
font_01_sfnt_off000445c9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x445C9 11256 bytes
SHA-256: e51dbfa9b892377eec62abdeff59a7010f59eb431ebb77dadec93f8752ce8b75
font_02_sfnt_off0004601f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4601F 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9