Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd702688ae0848bc…

MALICIOUS

PDF

71.1 KB Created: 2022-02-11 01:03:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-18
MD5: f2c3b7fdf1b9582f3e68f52ddb6caeea SHA-1: 4a0d8d49b2bbc8f6f032346cfae31c89905fb269 SHA-256: cd702688ae0848bcb3a1bb2a1d8467a51a71083b8f1788301d387a7d6a85837f
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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
  • 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.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. 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://yoyep.co.za/XSRYdR1H?utm_term=computershare+australia+able+forms PDF link annotation
    • https://twinscooking.nl/twins/userfiles/file/77020302124.pdfIn PDF document text
    • http://tcsm62.org/uploads/news/file/xerimoberobut.pdfIn PDF document text
    • https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/43ae23d4e55fc099a5eda18581aa05de/6231769502.pdfIn PDF document text
    • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161529e9ea4bb1---13291997179.pdfIn PDF document text
    • http://kfoodntea.com/dataroom/file/23155480833.pdfIn PDF document text
    • https://coil.hk/upload/files/zobififepena.pdfIn PDF document text
    • http://www.ville-dammarie.com/ckfinder/userfiles/files/nisilusotufazuxuxagefez.pdfIn PDF document text
    • http://studiofelician.com/userfiles/files/gotanilob.pdfIn PDF document text
    • http://kazbani.ru/kcfinder/upload/files/molut.pdfIn PDF document text
    • https://procogs.com/FCKeditor/file/55518606943.pdfIn PDF document text
    • http://kbo.pl/ckfinder/userfiles/files/tugoji.pdfIn PDF document text
    • http://chaukitchen.com/uploads/files/75128371471.pdfIn PDF document text
    • http://iccj.jp/images/uploads/fckeditor/file/22459924231.pdfIn PDF document text
    • http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1619afff77837b---43164255936.pdfIn PDF document text
    • https://baptistfriends.org/media/fagimox.pdfIn PDF document text
    • http://leadershipcareer.kr/fckeditor/_upload/file/15921178004.pdfIn PDF document text
    • https://koetec.com/home/~ptow/public_html/ckfinder/userfiles/files/galesukujinivogexiset.pdfIn PDF document text
    • http://doks-films.com/pcms/content/file/fidigosamimumugo.pdfIn PDF document text
    • http://morgancountyoh.com/userimages/wifitusozuvopifapu.pdfIn PDF document text
    • https://rasathantrananotech.com/ckfinder/userfiles/files/diwitemovamerofe.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_off0000aef8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAEF8 18764 bytes
SHA-256: b327bd93b018d44d4d4f868e203e2149d80b6c88efdee534ef4b1be8945524d2
font_01_sfnt_off0000df8d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF8D 10788 bytes
SHA-256: ec198b6286d373d83fea1f2b6f98c0928891d59b82cb4d51aa9057a8a6655479
font_02_sfnt_off0000f830.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF830 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9

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