Malicious PDF — malware analysis report

Static analysis result for SHA-256 ca6f331857919b9b…

MALICIOUS

PDF

371.3 KB Created: 2022-03-07 04:14:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-06
MD5: 026bbfcaf6a2560574bc389e564b3b19 SHA-1: 310b90775908654261823c88b33214eb306ccebc SHA-256: ca6f331857919b9bc332c9b9344f35cdfcb9c99970f0f89d8752d956c9737bc9
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7188

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://mifuj.co.za/XSRYdR1H?utm_term=live+sports+plus+app+apk PDF link annotation
    • https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/161fc5bf24c711---35722001631.pdfIn PDF document text
    • http://gemeinschaftshaus-grossmuss.de/demo/admin/editor/kcfinder/upload/files/95652147803.pdfIn PDF document text
    • http://tesorosdelayer.es/imgs/images/files/76772126442.pdfIn PDF document text
    • https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/93895ba97409dbce5c92061841507891/janotodagopalolu.pdfIn PDF document text
    • http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1620c1810b6775---sowulapiziveboriwig.pdfIn PDF document text
    • https://vialivonica.eu/userfiles/files/14282479856.pdfIn PDF document text
    • http://boston.pl/fck_pliki/file/levibawopifefaduxakef.pdfIn PDF document text
    • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/1620d9e5bb9123---regesipatizejori.pdfIn PDF document text
    • http://www.firstpages.eu/app/webroot/files/userfiles/files/dazakakojekakufodula.pdfIn PDF document text
    • https://carparts-fixture.com/file/file/teveputupom.pdfIn PDF document text
    • http://renyixia.com/uploadfile/file/20220228150053109.pdfIn PDF document text
    • https://aydinhirdavat.com/panel/kcfinder/upload/files/labirujezalodizexo.pdfIn PDF document text
    • https://4-pillar.com/img/file/88430768056.pdfIn PDF document text
    • https://normec-cm.com/ckfinder/userfiles/files/16060648267.pdfIn PDF document text
    • https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/a2293bd2667a2b06bf8811a5e6180823/4307052537.pdfIn PDF document text
    • http://neapol-m.ru/usr/file/medimebibixiduxujanigado.pdfIn PDF document text
    • http://fsgzb.com/upfolder/e/files/20220205024628.pdfIn PDF document text
    • https://kolbandibileklik.com/resimler/files/55809178402.pdfIn PDF document text
    • http://www.gastroblanik.cz/upload/files/62913274523.pdfIn PDF document text
    • http://checopharma.com/upload/files/28923584205.pdfIn PDF document text
    • http://555banket.ru/kcfinder/upload/files/66429656631.pdfIn PDF document text
    • https://devisme.maxtis.com/userfiles/file/dijijubapefejiwojobuj.pdfIn PDF document text
    • http://huucodatlanh.com/userfiles/file/86530629460.pdfIn PDF document text
    • http://koronavirus.lenti.hu/feltoltes/files/laxebis.pdfIn PDF document text
    • http://monikaknoblochova.com/userfiles/file/16079704696.pdfIn PDF document text
    • http://hotelaronnyobilas.com/assets/ckeditor/kcfinder/upload/files/mokepagiw.pdfIn PDF document text
    • http://diveblubari.it/custom/archivio/files/sixul.pdfIn PDF document text
    • http://headsaigonanhphat.com/media/ftp/file/63863450839.pdfIn PDF document text
    • http://lab4050.com/upload/editor/file/9301937612.pdfIn PDF document text
    • https://maxflowfans.com/userfiles/file/takix.pdfIn PDF document text
    • https://sunnybeachaeroclub.com/files/files/bujap.pdfIn PDF document text
    • https://penzionradvanice.cz/res/file/67657077279.pdfIn PDF document text
    • http://emilybarnes.com/DEVELOPMENT/VERSIONED/emilybarnes/trunk/sites/default/files/file/vafetelujijugudozerefe.pdfIn PDF document text
    • https://vos-web.nl/userfiles/file/xewepenovox.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_off00055d1c.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00055d1c.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00055d1c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x55D1C 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off0005743c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5743C 10356 bytes
SHA-256: 41464386887ea7e210382819c60bc29c2c0615fcd81c59ffd28c5d9d96f8056c
font_02_sfnt_off00058bd1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x58BD1 19216 bytes
SHA-256: 8b5577946df82fc94bf9f54af0c561db7a37ca4581b432dcae227fabd54c80da