Malicious PDF — malware analysis report

Static analysis result for SHA-256 6df13a8c7d7b79ce…

MALICIOUS

PDF

286.1 KB Created: 2022-04-12 15:55:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-19
MD5: e64b5d77bfb9807601d89fcc3f2f7dda SHA-1: 3a86eff09b14f2dfb0134b8b06dd499e99351fa1 SHA-256: 6df13a8c7d7b79ce75b4142f93e8074d1fe282575e1063b8d5342a2273a60e58
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.6464

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=autocad+2014+trial+direct PDF link annotation
    • https://lukavorewigi.weebly.com/uploads/1/3/4/8/134862497/c0b469616017.pdfIn PDF document text
    • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/16216dfc3db9bc---nebukefifijijid.pdfIn PDF document text
    • https://sibozigoguxo.weebly.com/uploads/1/3/0/9/130969143/8539825.pdfIn PDF document text
    • https://nuwudune.weebly.com/uploads/1/3/4/3/134362296/3684492.pdfIn PDF document text
    • https://studioconcept-stand.com/fck_userfiles/file/nugunivamogajurogawil.pdfIn PDF document text
    • https://nupowanekajotut.weebly.com/uploads/1/3/0/8/130815303/dejafogimud.pdfIn PDF document text
    • https://kixovomez.weebly.com/uploads/1/3/4/8/134868331/miloluk.pdfIn PDF document text
    • http://dslub.kr/userData/ebizro_board/file/zazadilitutawolumawoje.pdfIn PDF document text
    • http://pzhjintai.com/upload/files/boferuz.pdfIn PDF document text
    • https://sinekamawo.weebly.com/uploads/1/3/0/7/130776883/0c6d69.pdfIn PDF document text
    • https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/162014e100affb---sinuzurimirewiwik.pdfIn PDF document text
    • https://lidixegivutowo.weebly.com/uploads/1/3/1/4/131453330/3621686.pdfIn PDF document text
    • http://neoneofitou.com/ckfinder/userfiles/files/1310943482.pdfIn PDF document text
    • http://vitanova-cattery.com/upload/file/49462679444.pdfIn PDF document text
    • https://legyenegyjonapod.hu/userfiles/files/fexovedefuluxodamofow.pdfIn PDF document text
    • https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/161fbb5455e9be---xunovufenufagama.pdfIn PDF document text
    • http://www.urbanwaterways.info/files/67326041224.pdfIn PDF document text
    • https://gawudizilox.weebly.com/uploads/1/3/5/3/135300959/2f0154.pdfIn PDF document text
    • https://fuwowomazusora.weebly.com/uploads/1/3/4/0/134000162/surodajenapateba.pdfIn PDF document text
    • http://www.transfuzia.org/gfx/administration/js/ckeditor/kcfinder/upload/files/xefajelakovef.pdfIn PDF document text
    • http://www.museopizarra.com/ckfinder/userfiles/files/xotibikise.pdfIn PDF document text
    • https://zomomawiwupid.weebly.com/uploads/1/3/4/3/134385308/gakavefovoluf-gugetowaduwutu-luras.pdfIn PDF document text
    • http://venusitos.com/kcfinder/upload/files/gipipaxajufet.pdfIn PDF document text
    • http://xn--or3bo5mvlb.com/data/editor/file/86216955353.pdfIn PDF document text
    • https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/0a2330ecd128fcee194ac4fa289608ac/viluwigawefux.pdfIn PDF document text
    • https://oawebserver.com/piceditor/file/gunedelofesivenevuk.pdfIn PDF document text
    • https://tootooair.com/FileData/ckfinder/files/20220208_E6A367D30B65E1A9.pdfIn PDF document text
    • https://grandinhr.eu/images/user/file/begitenugalusikixip.pdfIn PDF document text
    • https://fefumuvujudadi.weebly.com/uploads/1/3/1/6/131606087/velifometek_nofeb_zemopanuzefudid_rosuzinuxetitag.pdfIn PDF document text
    • http://xn-----elcksuhhemsi4e.xn--p1ai/files/files/tiverixikon.pdfIn PDF document text
    • https://jokumejurabeve.weebly.com/uploads/1/4/1/4/141402314/lakijef.pdfIn PDF document text
    • https://kigazodiraju.weebly.com/uploads/1/3/4/6/134678535/8e8bd161ff8667.pdfIn PDF document text
    • http://sevenseahotel.com/uploads/images/files/kowesipiwakuwejek.pdfIn PDF document text
    • http://logopeda-empatia.pl/content/file/mawud.pdfIn PDF document text
    • http://agrariusnet.hu/admin/ckeditor/kcfinder/upload/files/nipamaruxolenu.pdfIn PDF document text
    • https://bifukumuvu.weebly.com/uploads/1/3/5/3/135347201/xibevemal.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_off00040570.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00040570.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00040570.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x40570 18580 bytes
SHA-256: 41570620309469d1de68d7d7c33982e479fb4bd79fbde3ddf569ae9d7931de35
font_01_sfnt_off000436da.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x436DA 10544 bytes
SHA-256: 39efe16d945875c5cb3feb5b5c008545d5a51e57337b8121ca0774be509a24e4
font_02_sfnt_off00044f26.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x44F26 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1