Malicious PDF — malware analysis report

Static analysis result for SHA-256 88b3089d7c63399c…

MALICIOUS

PDF

286.3 KB Created: 2022-03-13 08:52:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-02
MD5: 28aa7742db84f567395985a7f263ad29 SHA-1: e3cd9bef2db42810249c858d6a3279431ca2e627 SHA-256: 88b3089d7c63399ca5f87cd03a1d3eb552365e439adcccf8107abe9835443e92
226 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.5959

Heuristics 7

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Viral-video clickbait PDF links to suspicious host critical SE_VIRAL_VIDEO_CLICKBAIT_LINK
    Document uses viral/leaked-video lure text and links to a suspicious disposable-looking web host. This is a clickbait/traffic-scam carrier shape rather than a benign PDF link.
  • 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://mbamantra.com/ci/userfiles/files/2545949203.pdf In PDF document text
    • https://saptabangunmanunggal.com/indomobils/upload/file/96235238247.pdfIn PDF document text
    • https://grupahatak.pl/admin/_fck_files/file/84184955122.pdfIn PDF document text
    • http://formasrl.com/admin/kcfinder/upload/files/pugugenemabepogiveliridu.pdfIn PDF document text
    • https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/b12578bebc5fc0b5ef065919709b3ae5/wexizuzizibaru.pdfIn PDF document text
    • https://moruslondinium.org/img/files/35077766501.pdfIn PDF document text
    • http://veoguidecostarica.com/ci/userfiles/files/malesukusekotadisel.pdfIn PDF document text
    • http://peach2560.xyz/js/ckfinder/userfiles/files/zepudarigedujefe.pdfIn PDF document text
    • https://ladangmimpi2.com/contents/files/jefawumanunaromisubogerum.pdfIn PDF document text
    • http://digjamaica.com/app/webroot/files/wadulajaf.pdfIn PDF document text
    • http://geodeslaboratori.eu/userfiles/files/litojigamagiwavotizu.pdfIn PDF document text
    • https://singhaniabrothersltd.com/ckeditor/ckfinder/userfiles/files/kokujijejidulukuvamixap.pdfIn PDF document text
    • https://sportyou.fr/ckfinder/userfiles/files/kejoropirewefijozi.pdfIn PDF document text
    • https://mail.conepe.org.br/public/ckeditor/kcfinder/upload/files/xezebupa.pdfIn PDF document text
    • https://www.koreayokogawa.com/ckfinder/userfiles/files/miwezoj.pdfIn PDF document text
    • http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/1622300b92f708---dijepibuzewitimipopis.pdfIn PDF document text
    • http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/161fc56645d2b7---kepapaletojozupatalisof.pdfIn PDF document text
    • http://autord.ca/site-uploads/redezifapa.pdfIn PDF document text
    • http://rudolphalexander.com/uploads/files/gekiwetukuxaguwomo.pdfIn PDF document text
    • http://protech-t.hu/kcfinder/upload/files/23896398031.pdfIn PDF document text
    • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/161fda9a445c0f---lanirolezajiguzaxalu.pdfIn PDF document text
    • http://studiotravenzolo.it/userfiles/files/wolekun.pdfIn PDF document text
    • https://jackyrouxmethode.com/userfiles/file/32348476705.pdfIn PDF document text
    • http://855solution.com/htdocs/cljr/data/files/66714871688.pdfIn PDF document text
    • https://kottayammedicalcollege.org/CMS/ckfinder/userfiles/files/95590197700.pdfIn PDF document text
    • http://kbautotech.com/board/datafiles/imagefile/kilerupupefonakejuseg.pdfIn PDF document text
    • http://mexvp.com/ckfinder/userfiles/files/82016891960.pdfIn PDF document text
    • http://xn--b1afklwjc5g.xn--p1ai/ckfinder/userfiles/files/97915118485.pdfIn PDF document text
    • https://smartcirclegroup.com/userfiles/file/24393354670.pdfIn PDF document text
    • http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1622bafc1e7be1---rilorero.pdfIn PDF document text
    • http://topstec.com/d/files/86800029916.pdfIn PDF document text
    • http://szigetkoz-vizitura.hu/admin/kcfinder/upload/files/99790676756.pdfIn PDF document text
    • http://np-laser.com/upload_fck/file/2022-2-13/20220213124730246708.pdfIn PDF document text
    • http://marketypik.pl/zdjecia/fck/file/53098029299.pdfIn PDF document text
    • https://volnynaklad.cz/data/file/47396063844.pdfIn PDF document text
    • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161fc973573407---56942375505.pdfIn PDF document text
    • http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/162096b0185537---pepex.pdfIn PDF document text
    • https://tevav.co.za/XSRYdR1H?utm_term=iert+2019+answer+keyPDF link annotation
    • 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_off00040641.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00040641.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00040641.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x40641 10548 bytes
SHA-256: 7fc38b62a203b8d6e3a14be8a8585bd61a3974cf9dd0e11c4caf2fc859004a2a
font_01_sfnt_off00041eb5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x41EB5 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_02_sfnt_off000435d0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x435D0 18928 bytes
SHA-256: 1426665ab3b4f159b92603e7538fb810ab4ce6b8799bda001db14f0d86568326