Malicious PDF — malware analysis report

Static analysis result for SHA-256 f2fe5718b9b2e9c4…

MALICIOUS

PDF

340.9 KB Created: 2022-03-19 22:04:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-13
MD5: 8083be7a705816a6264707f80b6cbc72 SHA-1: 228443610a41f2f28bd234c5fc16476e244c1351 SHA-256: f2fe5718b9b2e9c4fc1c076b014c38254174a9bf17c81ac6b4a52f8abe02ca4d
174 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was detected as malicious by ClamAV and ML classifiers, indicating a phishing or trojan threat. It contains embedded JavaScript and multiple external URIs, including a link farm pointing to compromised WordPress uploads and an SEO redirector. The primary lure appears to be disguised as a download for 'ipl games 2018 apk', directing users to a suspicious URL. The embedded JavaScript likely facilitates the download or execution of a secondary payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8308

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://wirut.co.za/XSRYdR1H?utm_term=ipl+games+2018+apk PDF link annotation
    • http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16219245676ea0---70522342456.pdfIn PDF document text
    • http://almawred-sy.com/files/adminfiles/files/vuxakumolulogolavuxoba.pdfIn PDF document text
    • https://archguruorg.welkinovation.com/admin/UserFiles/images/files/peminegog.pdfIn PDF document text
    • http://kcemsp.org/upload/editor/file/kolapero.pdfIn PDF document text
    • http://ailin.kz/js/kcfinder/upload/files/42100085746.pdfIn PDF document text
    • https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/162060c152eb4c---wusikidesekilisifun.pdfIn PDF document text
    • https://sieseam.org/userfiles/files/kejutokakezaxifusapuvijax.pdfIn PDF document text
    • http://ksklinika.ru/ckfinder/userfiles/files/2852487447.pdfIn PDF document text
    • http://xn--2e0b30g3uq7pay7m.com/upload/fckeditor/file/8843527905.pdfIn PDF document text
    • http://sgd42.ru/userfiles/file/20879270444.pdfIn PDF document text
    • http://auto-fiesta.ru/upload/files/17430692904.pdfIn PDF document text
    • http://sunpix.ru/img/lib/file/zikiposom.pdfIn PDF document text
    • https://searchlink.org/userfiles/file/72758213626.pdfIn PDF document text
    • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1622baeed28eb1---89910700670.pdfIn PDF document text
    • http://dolinakrzeptowa.pl/public/upload/ckfinder/userfiles/files/xazale.pdfIn PDF document text
    • https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/kps4sbbk2ibg2ao6rjh39sqhv1/dizomuferinar.pdfIn PDF document text
    • http://spasm-sympo.org/uploads/ck/admin/files/dabavaxux.pdfIn PDF document text
    • http://xn--80aiddhbkcq5bcaz.xn--p1ai/upload/files/45927433220.pdfIn PDF document text
    • https://clubselect.ro/ckfinder/userfiles/files/wugamaxufatavabetitidafes.pdfIn PDF document text
    • http://copy2d.com/ftp/image/file/burejaluwajiro.pdfIn PDF document text
    • http://ecogestval.es/userfiles/file/guzakisupazuvuxezi.pdfIn PDF document text
    • https://vilus.cz/userfiles/file/gebalo.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_off0004e3c4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4E3C4 19388 bytes
SHA-256: 70f53cd41567ce0ce8d8593840e2c24046969d4708c87f719d9b47509fa1fdd7
font_01_sfnt_off000515e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x515E4 10624 bytes
SHA-256: 85e40c70a9db1f32baac2d3a3e65abde3f89cb8a9b6c4c971db9ae1a83409285
font_02_sfnt_off00052e61.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x52E61 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9

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