Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d3a40781e32e99e…

MALICIOUS

PDF

310.0 KB Created: 2022-03-02 17:28:31 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-14
MD5: c0df6bebb61d1b1bda44e41c10284195 SHA-1: e96f61d43fb91993fa4deacb2e0cbd3ebc6c8a0e SHA-256: 0d3a40781e32e99e5448defe1f8527800dcca0fe08c1a17330d84576097b1b50
144 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded JavaScript and a high-confidence heuristic indicates it's a phishing lure redirecting to an SEO redirector. The primary URL, https://wirut.co.za/XSRYdR1H?utm_term=icloud+contacts+to+phone, is associated with phishing attempts. The ML classifier and ClamAV detection further support the malicious nature of this file, likely intended to trick users into downloading further malicious content or divulging sensitive information.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7064

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.
  • 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://wirut.co.za/XSRYdR1H?utm_term=icloud+contacts+to+phone PDF link annotation
    • https://kamwalibais.com/userfiles/file/fugofodopezifudesedom.pdfIn PDF document text
    • https://pannonfinanz.eu/editor_up/64371306523.pdfIn PDF document text
    • http://savvybusiness.klcconsulting.eu/klc/file/671035428.pdfIn PDF document text
    • http://gugugroup.com/userfiles/31765490955.pdfIn PDF document text
    • http://atomiccm.com/userfiles/files/fofadojatidamudafuj.pdfIn PDF document text
    • https://yensaodrnane.com/tctt/sites/aaa/file/50664946984.pdfIn PDF document text
    • http://grafichesirio.com/userfiles/files/7975172295.pdfIn PDF document text
    • http://darelbachra.com/app/webroot/js/kcfinder/upload/files/geridorimifar.pdfIn PDF document text
    • http://rajicpetrol.rajic-intertrade.com/rajic/system/upload/file/33414694284.pdfIn PDF document text
    • http://2safe4u.cz/UserFiles/File/zepinoxumeverasofanenuxeb.pdfIn PDF document text
    • https://gulecbakliyat.com/panel/kcfinder/files/44040291911.pdfIn PDF document text
    • http://leadingedgecorporate.com/user_images/file/24530202314.pdfIn PDF document text
    • http://thuaphatlailongthanh.com/upload/contentFile/minhchau/file/kizisorerub.pdfIn PDF document text
    • http://cambridgekapurthala.com/damana/userfiles/file/77019043695.pdfIn PDF document text
    • https://lawtutors.co.uk/js/ckfinder/userfiles/files/84189166295.pdfIn PDF document text
    • https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/38ef65451e8927898603302112fd33af/73041127425.pdfIn PDF document text
    • http://talesma.com/E/file/64618082643.pdfIn PDF document text
    • http://busankid.com/webfiles/board/file///34786050746.pdfIn PDF document text
    • http://polletnv.be/uploads/files/jatagaxuvavotilito.pdfIn PDF document text
    • https://oceanflowerhotel.com/uploads/image/files/nojetefojewajenenalaj.pdfIn PDF document text
    • http://aitrans.cn/UploadFile/file/F1202202221312495464.pdfIn PDF document text
    • http://onishi-kyosendo.jp/archive/30290536732.pdfIn PDF document text
    • http://protum.se/file/zisido.pdfIn PDF document text
    • http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/1621f851e4f205---lasifanogigubakeg.pdfIn PDF document text
    • http://sosnovgeo.ru/userfiles/file/10548626129.pdfIn PDF document text
    • http://techdiligence.net/assets/kcfinder/upload/files/fisaniwojoxuvimado.pdfIn PDF document text
    • http://kirpichi.su/kcfinder/upload/files/buriwerikakasobiviga.pdfIn PDF document text
    • https://doublehaircenter.com/upload/ckfinder/files/78699757142.pdfIn PDF document text
    • https://marikakozmetika.hu/editor_up/lepurixikawo.pdfIn PDF document text
    • http://aow.infogestnet.it/ckfinder/userfiles/files/56052037199.pdfIn PDF document text
    • http://moje-stranky.eu/userfiles/file/tetanun.pdfIn PDF document text
    • http://www.guard.ee/kcfinder/upload/files/66661251460.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_off000468be.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x468BE 10468 bytes
SHA-256: 8b97f06627ac674b2c96100bca620ab4361337d2737fcb24ae755f0f52eee3cf
font_01_sfnt_off00048082.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x48082 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_02_sfnt_off0004979d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4979D 18604 bytes
SHA-256: c3e65ae005f78a6ceff865f926aaf7a9a975687e4cdb7c879a145de2f7b9eac8