Malicious PDF — malware analysis report

Static analysis result for SHA-256 dbb350b81fcd895e…

MALICIOUS

PDF

265.8 KB Created: 2022-02-14 11:02:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-07-06
MD5: 0139430549a2e0b12908bbdc0ef99848 SHA-1: f7cbb8cbb01bebc6abfca6bb2436dda0d646b884 SHA-256: dbb350b81fcd895ef26e4c399d6dce975e4dabac59ba85d201e79f79af2eb165
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7170

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://cafij.co.za/XSRYdR1H?utm_term=bbc+news+software+free++for+pc PDF link annotation
    • http://montpellier-business-plan.eu/mbp/upload/images/images/upload/ckfinder/95862964161.pdfIn PDF document text
    • http://plymouth-logs.co.uk/ckfinder/userfiles/files/nagisojakal.pdfIn PDF document text
    • https://darshanam.com/ckfinder/userfiles/files/90962056393.pdfIn PDF document text
    • https://otterdisplay.com/userfiles/file/zidavigefup.pdfIn PDF document text
    • https://hv2barrier.com/application/third_party/ckfinder/userfiles/files/gomuz.pdfIn PDF document text
    • http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/16117f5aebf74c---verijomowejezoxo.pdfIn PDF document text
    • https://assofmt.org/ckfinder/userfiles/files/13127794335.pdfIn PDF document text
    • http://progettocecinacuore.it/writable/public/userfiles/file/8072028928.pdfIn PDF document text
    • http://borsasetelsis.cat/admin/kcfinder/upload/files/wonakilegudasekizumixa.pdfIn PDF document text
    • http://rbc-bezorgdiensten.nl/upload/93254570544.pdfIn PDF document text
    • https://braindevelopmentmaps.org/userfiles/files/jetex.pdfIn PDF document text
    • http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161c0dbb7d8de3---40288942782.pdfIn PDF document text
    • https://jasmijnbloemengroen.nl/userfiles/file/14898757448.pdfIn PDF document text
    • https://alpinashop.bg/files/21213178963.pdfIn PDF document text
    • https://sardavetri.it/userfiles/file/lidunofazakugixil.pdfIn PDF document text
    • http://j-line.ca/fck_upload/file/68718857711.pdfIn PDF document text
    • https://topas-rus.ru/media-temp/img/uploads/files/11266917294.pdfIn PDF document text
    • http://thuocamakong.net/userfiles/image/file/vopefitilizaremiwilowa.pdfIn PDF document text
    • http://archbot.pl/files/file/75107583936.pdfIn PDF document text
    • https://tenderdiary.com/ckfinder/userfiles/files/73128483339.pdfIn PDF document text
    • http://moscowcharm.com/content/xuploadimages/file/97603055077.pdfIn PDF document text
    • https://f2h63c2.ip4secure.net/upload/files/wetenevufasone.pdfIn PDF document text
    • http://ideatity.com/ckfinder/userfiles/files/gerusibosexamokegosobav.pdfIn PDF document text
    • http://akademibt.com/resimler/files/72529710683.pdfIn PDF document text
    • https://vatlieubaooncachnhiet.com/userfiles/file/60065394106.pdfIn PDF document text
    • http://planet-for-events.de/userfiles/file/42111337610.pdfIn PDF document text
    • https://lawrenceyezersky.com/userfiles/file/24065558528.pdfIn PDF document text
    • https://ambalatender.com/upload/files/topirenovukiv.pdfIn PDF document text
    • https://bobecoingatlan.com/uploads/editor/file/27060632545.pdfIn PDF document text
    • https://paron-rebondir.com/uploads/files/60891454709.pdfIn PDF document text
    • https://jordanadams.com/ckfinder/userfiles/files/pozituv.pdfIn PDF document text
    • http://www.facyt.com.ar/ckfinder/userfiles/files/74536542325.pdfIn PDF document text
    • https://medicentrumnz.eu/medicentrum/files/file/20123251273.pdfIn PDF document text
    • http://botosani.ro/img/uploads/file/47973785127.pdfIn PDF document text
    • http://dlabiura.kbo.pl/ckfinder/userfiles/files/96033764339.pdfIn PDF document text
    • http://panyuchen.com/ckfinder/userfiles/site_eachfun_com/files/98064602759.pdfIn PDF document text
    • http://novena99.com/uploads/files/202111110517498228.pdfIn PDF document text
    • http://vo23.ru/upload/file/15732398000.pdfIn PDF document text
    • http://mp-journal.com/media/file/25271718356.pdfIn PDF document text
    • https://sopkambing.com/contents/files/bagukila.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_off0003b8ba.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0003b8ba.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0003b8ba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3B8BA 17880 bytes
SHA-256: a175034cea7123552de25b0f926f81763b28b8356b7a322510f90f048609ab21
font_01_sfnt_off0003e77a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3E77A 10612 bytes
SHA-256: ec3ed720143636d06d77451b6c80e243ff9e8f2a26257a396807ba27f9ce97bf
font_02_sfnt_off0003ffda.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3FFDA 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9