Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d37ba987663f625…

MALICIOUS

PDF

448.8 KB Created: 2022-03-28 04:45:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-14
MD5: 077853f7be0c52d59ec6092c210c540d SHA-1: 94378cfa4d9f6033b7d2adbd3256a5115c7e199f SHA-256: 0d37ba987663f625935529e9c98bf46c4a2823772b4e74e71535ccb0d53c1265
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7114

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://loheb.co.za/XSRYdR1H?utm_term=jim+stoppani%27+s+shortcut+to+size+pdf PDF link annotation
    • https://www.supergram.cz/kcfinder/upload/files/87202009125.pdfIn PDF document text
    • http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/162356a5242622---41205068123.pdfIn PDF document text
    • http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1620addb49a348---97743965329.pdfIn PDF document text
    • http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/162114bef3e9f0---texekaxipijininilajerob.pdfIn PDF document text
    • http://dlshixiang.com.cn/ckfinder/userfiles/files/31941043471.pdfIn PDF document text
    • http://personaleducador.com.br/ckeditor/kcfinder/upload/files/59395528740.pdfIn PDF document text
    • https://mecaniquekd.ca/upload/file/nixufarefe.pdfIn PDF document text
    • http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/16231a9d7e525d---viboxokunilisamituti.pdfIn PDF document text
    • http://www.iece.in/userfiles/file/voputinexa.pdfIn PDF document text
    • https://poulinstrapscan.com/userfiles/file/12880394403.pdfIn PDF document text
    • http://www.ccengis.be/applications/ckeditor/addons/ckeditor/ckfinder/userfiles/files/buvifegifozerisonogivuk.pdfIn PDF document text
    • http://asthmabd.net/journal/assets/ckeditor/kcfinder/upload/files/pigudopom.pdfIn PDF document text
    • http://zae.me/datafiles/file/92164738417.pdfIn PDF document text
    • http://www.cartes-blister.com/img/uploaded/file/fovirutunizoforero.pdfIn PDF document text
    • http://quangcongluc.com/upload/files/vabefe.pdfIn PDF document text
    • https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/16205c08aeb62e---89196419725.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_off00068f3a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x68F3A 19840 bytes
SHA-256: c23fc47508d378be56d2f3112785aaf72c4c6dc755c03669e74fe0425f41f8f7
font_01_sfnt_off0006c3e5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C3E5 11024 bytes
SHA-256: 99f576e131731893ad6c866d9f1978293f62aab8730f3e0dac8e4b7d111d7a1b
font_02_sfnt_off0006dd6d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DD6D 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9

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