Malicious PDF — malware analysis report

Static analysis result for SHA-256 429edfedacd0184b…

MALICIOUS

PDF

211.8 KB Created: 2021-07-09 09:21:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05
MD5: 4f20f076f38785deac8bc100cd2e76d1 SHA-1: 58531365d1681eacd4e863665c53293ad0bef28a SHA-256: 429edfedacd0184b678f0534a372f6c9ef0b2b06219ae335f15523f34a9d07d8
166 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple heuristics indicating it is a phishing lure, specifically using an SEO redirector for free downloads. The ClamAV detection and ML classifier further support its malicious nature. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to redirect users to malicious content, likely a phishing page.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9938

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 http://banghetretruc.com/media/ftp/file/difajofanojapuxo.pdf In PDF document text
    • https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4164a780e7---9218080172.pdfIn PDF document text
    • http://beerskiboot.de/img/upload/file/wezajonami.pdfIn PDF document text
    • http://industriefotografie.ch/userfiles/files/kedirunet.pdfIn PDF document text
    • http://www.tekkoo.net/images/library/File/kakazusemefexerop.pdfIn PDF document text
    • http://thayloilocnuoctaihanoi.net/upload/files/dobomorer.pdfIn PDF document text
    • https://marblobaths.com/app/webroot/img/files/68198194651.pdfIn PDF document text
    • https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160aa423003d47---34133878764.pdfIn PDF document text
    • http://3e-machinery.ru/app/webroot/filesfiles/44611710781.pdfIn PDF document text
    • https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/rd2ivc205gtb2153962mjd3kf7/30724812348.pdfIn PDF document text
    • http://www.look4job.gr/images/_user_na/file/45095104323.pdfIn PDF document text
    • https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/fbad6b97902020f8b63f2b6483b405f8/vofutiseti.pdfIn PDF document text
    • https://marmarases.com/upload/ckfinder/files/52561100059.pdfIn PDF document text
    • https://sunarchegypt.com/userfiles/file/96821543945.pdfIn PDF document text
    • https://afayl.com/userfiles/file/73486726286.pdfIn PDF document text
    • http://st-communications.com/ckfinder/userfiles/files/narivegizekef.pdfIn PDF document text
    • https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/a44c17de1dbdd4d8a0e4ad769296242f/39546280599.pdfIn PDF document text
    • https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1608671652c2ed---13687951293.pdfIn PDF document text
    • https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608be64aac221---90585513206.pdfIn PDF document text
    • http://alexdisinfestazioni.com/userfiles/files/ponejosupivogewibe.pdfIn PDF document text
    • https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160bec43493487---medumujazerepusugizup.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=symbionts+meaning+in+englishPDF link annotation
    • 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_off0002d752.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2D752 22348 bytes
SHA-256: b5087c53231bf0bce27fc50d007a056b2ae8cce6410210be2b1cd45630c5085c
font_01_sfnt_off0003107b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3107B 10784 bytes
SHA-256: c70c27078e044413b13d34cd60c3caf8d9b2ab41952590092acbf97b786cbba5
font_02_sfnt_off00032926.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x32926 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1