Malicious PDF — malware analysis report

Static analysis result for SHA-256 f961a22da1fded73…

MALICIOUS

PDF

290.6 KB Created: 2022-03-11 22:11:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-04
MD5: c9f8e687b82b5246c5d62226ce07c5be SHA-1: 7cd1d693d722c6600597b1404a4b737d7fbc7ef5 SHA-256: f961a22da1fded73aaf2f67ed8a760e8998d0f1f2ba5ca810775876899defac9
174 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7513

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://lazav.co.za/XSRYdR1H?utm_term=aadukalam+movie+songs+audio PDF link annotation
    • http://lk-atomexpo.ru/web/js/kcfinder/upload/files/40898629184.pdfIn PDF document text
    • http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/16224f32eda513---nivefesizivepigogorezisar.pdfIn PDF document text
    • https://tkaniny-svitap.cz/kcfinder/upload/files/97852758727.pdfIn PDF document text
    • https://koltoztetes-szallitas-lomtalanitas.com/ckfinder/userfiles/files/gavifipafomewasege.pdfIn PDF document text
    • https://nsstore.mx/ckeditor/ckfinder/archivossubidos/files/42517006300.pdfIn PDF document text
    • http://pentas.eu/userfiles/file/94883818912.pdfIn PDF document text
    • http://hafrchamber.org.sa/ckeditor/kcfinder/upload/files/vepexedamemaxu.pdfIn PDF document text
    • http://wirtualnekorepetycje.com/Upload/file/zulug.pdfIn PDF document text
    • https://manuscripthandler.com/userfiles/file/26251647498.pdfIn PDF document text
    • https://profm.hu/files/file/pugotixawugutikinebivo.pdfIn PDF document text
    • https://colegiumaniucarei.ro/ckfinder/userfiles/files/34828529008.pdfIn PDF document text
    • https://gemwares.artchy.com/userfiles/file/sogimufobozilelorejapex.pdfIn PDF document text
    • https://jetaime-shop.dvsportbg.com/files/80862110819.pdfIn PDF document text
    • https://vieclamday.com/userfiles/file/38957991698.pdfIn PDF document text
    • http://faceti.es/fil/ckFiles/files/bopotaf.pdfIn PDF document text
    • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1620dfd92dd79e---37362371979.pdfIn PDF document text
    • http://www.korsun.ic.ck.ua/js/kcfinder/upload/files/50726987791.pdfIn PDF document text
    • http://p-itos.net/admin/userfile/image/file/65747977562.pdfIn PDF document text
    • https://sezam-doors.com/userfiles/files/jijaf.pdfIn PDF document text
    • http://www.mmalappeenranta.com/tiedostot/files/85971006670.pdfIn PDF document text
    • http://synergytaekwondo.com/click2buy_newp/userfiles/file/94516851604.pdfIn PDF document text
    • http://myxroad.net/upload/userfiles/file///78399363561.pdfIn PDF document text
    • http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16208fe9497746---ranusafupijamumuxamikub.pdfIn PDF document text
    • https://tyeetomsfishing.com/userfiles/file/53792291213.pdfIn PDF document text
    • https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/162036466765a6---12966129609.pdfIn PDF document text
    • http://lblussana.it/images/file/40973681178.pdfIn PDF document text
    • http://kaav.org/kcfinder/upload/files/96074273952.pdfIn PDF document text
    • http://ajtoablakcentrum.com/_user/file/6145825645.pdfIn PDF document text
    • http://diagcorlifescience.com/attachment/file/20332048110.pdfIn PDF document text
    • http://hockjoohin.com/admin/uploads/file/85643981543.pdfIn PDF document text
    • http://jamones-luna.shopcloud.es/ckfinder/userfiles/files/85684462332.pdfIn PDF document text
    • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/1620723eabc9f5---22210100126.pdfIn PDF document text
    • http://ridonhennet.eu/admin/kcfinder/upload/files/javoselufixu.pdfIn PDF document text
    • http://bappeda-jepara.org/app/webroot/js/kcfinder/upload/files/witiwo.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_off00041de7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x41DE7 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off00043507.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x43507 10632 bytes
SHA-256: bd2d5cce47a306e800437d8873a644d69313dfdc0cf65ae27e905748c1c854f8
font_02_sfnt_off00044d20.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x44D20 17920 bytes
SHA-256: a17751b7c145aa019278120249cbaec40d3f2ae61c213e70bb4e591042587acb