Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b674e4ba4a743af…

MALICIOUS

PDF

445.8 KB Created: 2022-02-02 17:51:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-17
MD5: 8e73277985760bc9baf95a45f83c0236 SHA-1: eabb4316402899c57781304b30119451faa0af85 SHA-256: 2b674e4ba4a743af3d14c55cacc277ce095efaa81da0ae4bbc7a42b7f397c3ef
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.8524

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 https://podar.co.za/XSRYdR1H?utm_term=you+beautiful+tonight+song PDF link annotation
    • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ec9afbe2dd7---2325958549.pdfIn PDF document text
    • http://xn--j1aii.su/userfiles/file/piziwavexiwaf.pdfIn PDF document text
    • http://bradzo-ep.com/uploads/files/baterulojixuwunubut.pdfIn PDF document text
    • http://casms.org/atts/news-files/file/lewupovakinenajip.pdfIn PDF document text
    • http://promerilaclama.com.tr/panel/kcfinder/upload/files/11966381192.pdfIn PDF document text
    • https://wheelmartthailand.com/image/upload/File/24414592394.pdfIn PDF document text
    • http://fohow77.ru/upload/file/64525423778.pdfIn PDF document text
    • http://nrtz.fundacja-spektra.pl/upload/files/nerolebur.pdfIn PDF document text
    • https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/uvdejg6rea6cd1foinf4petv2a/dalugur.pdfIn PDF document text
    • https://manualismedicina.hu/fileok/file/99464303952.pdfIn PDF document text
    • http://asthmabd.net/journal/assets/ckeditor/kcfinder/upload/files/savubomibuvud.pdfIn PDF document text
    • http://tagsu.com/attachments/fckattachments/file/42429157242.pdfIn PDF document text
    • http://oticonshop.com/ckfinder/userfiles/files/89885362537.pdfIn PDF document text
    • http://ttfi.org/app/webroot/userfiles/file/duvipuroxevupet.pdfIn PDF document text
    • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/16121ae1c65b7f---gesofaxifefejefagar.pdfIn PDF document text
    • http://kolaykanal.com/userfiles/files/vodegupakakivikisezamufav.pdfIn PDF document text
    • http://proallprint.com/userfiles/files/92964562024.pdfIn PDF document text
    • https://www.hotelashray.in/kcfinder/upload/files/mitopujosususanoje.pdfIn PDF document text
    • http://www.alex-vasilkov.ru/images/wisdom/file/22714618545.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_off00068f51.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x68F51 10616 bytes
SHA-256: 2cb678ea8815d7ae369a6e933fb5fa05293d14b2172ba0d430f7f843ccae6275
font_01_sfnt_off0006a786.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A786 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_02_sfnt_off0006bea1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6BEA1 16500 bytes
SHA-256: 21b1974cc49542719de5f49b6c1742fd4896e6d0964be93b354ccb138f36604c

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