Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa8fee78f1a835a4…

MALICIOUS

PDF

397.5 KB Created: 2022-02-23 22:52:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-06
MD5: bc11765fea69b57b5a637027272fdacc SHA-1: 41bc2c078e1389e401585be78b03a0cdf5c1a4d2 SHA-256: aa8fee78f1a835a43d9736e81ba6ddce09a26ac29801a756353d1f7e135ba79b
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.6486

Heuristics 5

  • 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.
  • 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=tissot+prs+516+instruction+manual PDF link annotation
    • http://autoescuelatosal.com/galeria/files/tajowonu.pdfIn PDF document text
    • http://embeddedhr.com/ckfinder/userfiles/files/52049736861.pdfIn PDF document text
    • https://hopadive.cz/ckfinder/userfiles/files/pajoxabowuxoravukijawimu.pdfIn PDF document text
    • http://vp-dmsh.ru/admin/ckfinder/userfiles/files/77325634223.pdfIn PDF document text
    • https://cortemadera.com/wysiwygfiles/file/92557397428.pdfIn PDF document text
    • http://www.guard.ee/kcfinder/upload/files/wewuxanitoxekolonewuxitub.pdfIn PDF document text
    • https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/9345e4d19ccea0e81606fc722853b064/60703903409.pdfIn PDF document text
    • https://gtnet-engine.com/ckfinder/userfiles/files/xipivusomilulesifimup.pdfIn PDF document text
    • https://phu-komplex.pl/pliki/file/15992511552.pdfIn PDF document text
    • http://redactron.com/userfiles/file/48748394904.pdfIn PDF document text
    • http://thiennhanduong.com/ckeditor/kcfinder/upload/files/4185533633.pdfIn PDF document text
    • http://pivotal-technologies.com/userfiles/file/jeburepi.pdfIn PDF document text
    • https://cardion.dk/gfx/fckimages/file/33148302107.pdfIn PDF document text
    • https://komodovo.ru/upload_picture/27323188996.pdfIn PDF document text
    • https://malayalamfoundation.org/admin/my_files/file/mopusamotusavokimanorekis.pdfIn PDF document text
    • http://yachtales.net/admin/userfiles/files/87722269770.pdfIn PDF document text
    • https://noblacklist.pro/web/img/podborky/files/96699013057.pdfIn PDF document text
    • https://www.oceaniacroisieres.com/html/scripts/ckeditor/kcfinder/upload/files/zafipof.pdfIn PDF document text
    • http://bukitjaya88.com/kcfinder/upload/files/26002532070.pdfIn PDF document text
    • http://www.santabriganti.org/admin/ckfinder/userfiles/files/xuvuzomuxamizemejib.pdfIn PDF document text
    • https://landi-bg.com/images/file/33819558061.pdfIn PDF document text
    • https://lawweb.info/mycms/admin/userfiles/file/bativefo.pdfIn PDF document text
    • http://navigator-nsk.ru/userfiles/file/zameranojom.pdfIn PDF document text
    • https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/2d2c3ea9988a6abfc7561817b815d03b/vebeder.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000590fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x590FA 18648 bytes
SHA-256: 5cdab773f0e8f924bba425862a7726f7a8b0911c0bba7867cddbf5d8c6dfaa2d
font_01_sfnt_off0005c001.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C001 10820 bytes
SHA-256: d3520301e65f92cc04f7eb5f63683657e1347902d9747a758325c460a7d4f4bb
font_02_sfnt_off0005d909.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D909 17772 bytes
SHA-256: 6ea686158b93bd0ea0b38c1db6143a178e1d05bcd28d51f6a1b3e3e27aa7f7b9
font_03_sfnt_off00060f7e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60F7E 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9