Malicious PDF — malware analysis report

Static analysis result for SHA-256 782b6561f98035c1…

MALICIOUS

PDF

490.2 KB Created: 2022-03-01 11:44:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-16
MD5: 4b5eeab1af90a28dc5a1fc8fa36c6a36 SHA-1: 682178a33527f762a26b971abdaf2885d697fc88 SHA-256: 782b6561f98035c1c2bbc6bc41fb6bdc582c12a3c8880d45dbb0d70c4888ce6b
174 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.5060

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
  • 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.
  • 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://podar.co.za/XSRYdR1H?utm_term=maintenance+technical+report+sample PDF link annotation
    • http://www.abcklima.hu/data/editorfile/28681937296.pdfIn PDF document text
    • http://gniortho.com/files/Upload/file/fewunuwowonurubalaf.pdfIn PDF document text
    • https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16202e047e8ba1---robukuwamoxekopeliduti.pdfIn PDF document text
    • http://filtrydokoparek.pl/img/all/gilujeti.pdfIn PDF document text
    • https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/819174a2a8718e8f0df421f4e4adfda3/fikivebafafoniripoti.pdfIn PDF document text
    • http://samnakthodrahassob.com/userfiles/file/zuvepemitubeduvefuf.pdfIn PDF document text
    • http://police8coop.com/UserFiles/file/56241231086.pdfIn PDF document text
    • http://snc.easy-event.net/img/uploads/files/mupatotadezupalozutam.pdfIn PDF document text
    • https://mollis.rs/files/56130657983.pdfIn PDF document text
    • https://edcasys.com/ci/userfiles/files/wilen.pdfIn PDF document text
    • http://hajnysport.cz/FCK_userfiles/file/39346148713.pdfIn PDF document text
    • https://innoversant.com/userfile/file/27644842046.pdfIn PDF document text
    • http://philippetardieu.com/kcfinder/upload/files/zovosawidovaxadezilunuka.pdfIn PDF document text
    • http://chirineli.com/img/lib/file/zazebifiniju.pdfIn PDF document text
    • http://www.thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/polugubaw.pdfIn PDF document text
    • http://vigova.vn/Images_upload/files/vevozegeb.pdfIn PDF document text
    • http://pune-india.info/userfiles/file/73817298189.pdfIn PDF document text
    • http://personaleducador.com.br/ckeditor/kcfinder/upload/files/26845822929.pdfIn PDF document text
    • http://www.pzkexie.com/up_files/file/birurolodudam.pdfIn PDF document text
    • http://tenfci.net/userfiles/file/36398787125.pdfIn PDF document text
    • https://palet-school.com/files/files/18162430684.pdfIn PDF document text
    • https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/1d6e0ed425a29ad239e773890e299090/60319041050.pdfIn PDF document text
    • http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/1620871702cdf3---dedupipazod.pdfIn PDF document text
    • http://www.kirmatas.org.tr/kcfinder/upload/files/74555272025.pdfIn PDF document text
    • https://planbmedia.hu/files/39789607931.pdfIn PDF document text
    • http://c2r-auto.com/uploadfiles/file/2022022216051273499.pdfIn PDF document text
    • https://www.escolamacrobiotica.pt/backoffice/assets/js/kcfinder/upload/files/26696277460.pdfIn PDF document text
    • https://nhatngudongkinh.com/upload/ckupload/files/wozasodox.pdfIn PDF document text
    • http://aceonlinementors.com/userfiles/file/folefegikodibex.pdfIn PDF document text
    • http://laparole.net/kcfinder/upload/files/fafugudejifofemibos.pdfIn PDF document text
    • http://www.tm-africa.com/beta/public/uploads/cms_filescms_files/vepuxosoweporobapimo.pdfIn PDF document text
    • https://www.coopi.org/admin/assets/js/ckeditor/kcfinder/upload/files/files/wutifolaledixikipaxa.pdfIn PDF document text
    • http://kondicionery-noginsk.ru/upload_picture/file/68298406693.pdfIn PDF document text
    • https://planet-pvc.com/upload/files/46914892976.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_off00073b58.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x73B58 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off00075273.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x75273 17888 bytes
SHA-256: dad82e1234c5ce43f1be6b863f45fcb26c6690a20f8b01546e0412b0c5ffd958
font_02_sfnt_off000780f9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x780F9 10632 bytes
SHA-256: 6c44d792973e4d26859ad0f2dec29da1bad547712e6fb8fb4aa25cf79ec9146b

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