Malicious PDF — malware analysis report

Static analysis result for SHA-256 9415d539227d8007…

MALICIOUS

PDF

435.5 KB Created: 2022-03-02 06:54:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-12
MD5: bb7e83793d26f1315bbf823c1297c3c9 SHA-1: 54876c18e8503cf31fb67a5909f4a62aef87c5d8 SHA-256: 9415d539227d8007d8083e2170f3c6d2a544d5321b4b80f809ba1164b2b5fefa
174 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF file contains embedded JavaScript and multiple external links, including one pointing to a compromised WordPress upload directory. The primary link, 'https://mifuj.co.za/XSRYdR1H?utm_term=example+conclusion+for+marketing+report', is identified as an SEO redirector, suggesting a phishing lure for free downloads. The embedded JavaScript and the nature of the links indicate an attempt to download and execute a second-stage payload, consistent with a phishing campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5902

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://mifuj.co.za/XSRYdR1H?utm_term=example+conclusion+for+marketing+report PDF link annotation
    • http://123flower.doweb.kr/upload/files/40113291844.pdfIn PDF document text
    • http://www.fbs-g.com/kcfinder/upload/files/27292276664.pdfIn PDF document text
    • http://globalbizkorea.com/userData/board/file/lojiwelitugemaditelurozag.pdfIn PDF document text
    • https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/95e05d66481c7e26895804ca63f2fa91/43823444783.pdfIn PDF document text
    • http://teamwork-poetschke.com/ckfinder/userfiles/files/sovedoxupuwaferawimap.pdfIn PDF document text
    • http://webyork.co.uk/kcfinder/upload/files/64885365508.pdfIn PDF document text
    • http://part-service55.ru/kcfinder/upload/files/42580062167.pdfIn PDF document text
    • http://terrigena.cz/data/pic/files/dubotozedejurur.pdfIn PDF document text
    • https://dreamcatchersdoodles.com/userfiles/files/6703416413.pdfIn PDF document text
    • http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16203c64ef2e91---fatuwisajewex.pdfIn PDF document text
    • https://reflectionsseries.gilmorgenstern.com/userfiles/File/latagilipofofifidomuzura.pdfIn PDF document text
    • https://megat.pl/uploaded/fck_files/file/82916680720.pdfIn PDF document text
    • https://gulfb2b.com/userfiles/file/kinivo.pdfIn PDF document text
    • https://tworaise.com/userfiles/file/53876015478.pdfIn PDF document text
    • http://kbcsisa.com/upload/fckeditor/file/24143764417.pdfIn PDF document text
    • http://topclinique.ma/kcfinder/upload/files/wenod.pdfIn PDF document text
    • https://ryokanclub.com/FileData/ckfinder/files/20220210_D0FF4CB7FF52B8AF.pdfIn PDF document text
    • http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16208f50d04b4f---13442539755.pdfIn PDF document text
    • https://shiksha24.com/userfiles/files/80983022741.pdfIn PDF document text
    • http://lilcash.com/ckfinder/userfiles/files/wurakufekiji.pdfIn PDF document text
    • http://canlook.ru/userfiles/files/22167240834.pdfIn PDF document text
    • https://staffinghub.complifly.com/ckeditor/kcfinder/upload/files/majesizemiza.pdfIn PDF document text
    • https://www.coopi.org/admin/assets/js/ckeditor/kcfinder/upload/files/files/sigokuro.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_off00066470.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x66470 11100 bytes
SHA-256: b245ce4ca81937cd5ca89deafc9dccebb6e03761841161b395961e851656ca75
font_01_sfnt_off00067e51.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x67E51 16648 bytes
SHA-256: 038653a93613eba562f0bbae0da3fbcd2e453b6ce900de79a2f39b4427b5e144
font_02_sfnt_off0006a92b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A92B 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9

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