Malicious PDF — malware analysis report

Static analysis result for SHA-256 5dcaa4dc2477de3a…

MALICIOUS

PDF

338.5 KB Created: 2022-04-28 19:36:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-11
MD5: 53eebe44df383da4b37cea0de13b76fe SHA-1: 4dd67e4a0a85d1c8ff181fc901a746381f0ccf73 SHA-256: 5dcaa4dc2477de3ab2f4adec4beb82ab650e76b33a9bd18a7ffb1eba0fa835f8
144 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file contains embedded JavaScript and external URIs, indicating it is designed to redirect users to malicious websites. The high-risk heuristic 'PDF_SEO_UTM_REDIRECTOR_LINK' suggests the document uses an image lure to trick users into clicking a link that leads to a phishing page, likely for credential harvesting or malware delivery. The ML classifier and ClamAV detection further confirm its malicious nature.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5879

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.
  • 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=australia+visa+application+form+philippines PDF link annotation
    • https://bixanizutojez.weebly.com/uploads/1/3/4/4/134490846/tarago.pdfIn PDF document text
    • https://bunevozobete.weebly.com/uploads/1/3/4/7/134714888/9678736.pdfIn PDF document text
    • https://buseziji.weebly.com/uploads/1/3/1/3/131398529/5f365ca7.pdfIn PDF document text
    • https://jewiwepetaj.weebly.com/uploads/1/3/4/7/134752938/51abcdf14.pdfIn PDF document text
    • https://kukavixol.weebly.com/uploads/1/3/4/4/134485481/majutukerefigikero.pdfIn PDF document text
    • https://tupigupuji.weebly.com/uploads/1/3/4/7/134747984/b90896ac34e.pdfIn PDF document text
    • https://www.amazoniaon.com.br/assets/js/ckeditor/kcfinder/upload/files/61769410853.pdfIn PDF document text
    • https://ropifetanikemef.weebly.com/uploads/1/3/4/5/134586687/gatutovizatodok_zoxagapigolev_bakixokole.pdfIn PDF document text
    • http://nccpindia.org/ckeditor/kcfinder/upload/files/madepe.pdfIn PDF document text
    • https://wepebagelokej.weebly.com/uploads/1/3/4/5/134583559/689f0e5c51f1a0.pdfIn PDF document text
    • https://xajapeni.weebly.com/uploads/1/3/4/3/134341300/jusifozedexe.pdfIn PDF document text
    • https://fowimuwejagun.weebly.com/uploads/1/3/4/5/134529075/9f4a2a.pdfIn PDF document text
    • https://sefovoridufu.weebly.com/uploads/1/3/1/4/131438839/wazavugov_gixarekikites.pdfIn PDF document text
    • https://fulugive.weebly.com/uploads/1/3/0/8/130874350/a9d795e42e7.pdfIn PDF document text
    • http://promerilaclama.com.tr/panel/kcfinder/upload/files/10650094750.pdfIn PDF document text
    • https://plastr.cz/files/files/77508180994.pdfIn PDF document text
    • https://secolink.sk/userfiles/file/bexobisoven.pdfIn PDF document text
    • https://powipopes.weebly.com/uploads/1/3/1/4/131406611/moparali.pdfIn PDF document text
    • https://kekidebas.weebly.com/uploads/1/3/4/6/134633427/bixugeduxofel.pdfIn PDF document text
    • https://wilunepeparimag.weebly.com/uploads/1/4/1/5/141542448/74d150ac69.pdfIn PDF document text
    • http://tamker.hu/userfiles/file/lowazamoridam.pdfIn PDF document text
    • http://snap-drone.com/userfiles/file/vaxejobunosejomekifonumek.pdfIn PDF document text
    • https://marikiwow.weebly.com/uploads/1/3/1/3/131379510/nobasosavuzopametase.pdfIn PDF document text
    • https://ssbpsych.com/assets/uploads/files/78605460884.pdfIn PDF document text
    • https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/ntunj3t3otgh0j4t9n0v5r5rb3/9042106568.pdfIn PDF document text
    • https://xavuwasi.weebly.com/uploads/1/4/1/4/141409511/vepigijajemifivat.pdfIn PDF document text
    • https://kixasakuzejud.weebly.com/uploads/1/3/5/3/135347884/kovatilozisuwo.pdfIn PDF document text
    • https://nimimetifav.weebly.com/uploads/1/3/2/8/132814674/tupowagowifolojuda.pdfIn PDF document text
    • https://insetclean.com.br/kcfinder/upload/files/23081106609.pdfIn PDF document text
    • http://tlumacz-lipno.pl/pdrzewiecki/files/raduwuvuperusigajop.pdfIn PDF document text
    • https://vosaxiwajikox.weebly.com/uploads/1/3/0/9/130969878/jetuwasi-bufowos-xaxoxepejogubi-duxugepav.pdfIn PDF document text
    • https://favipowizam.weebly.com/uploads/1/4/1/3/141338483/nijufi.pdfIn PDF document text
    • https://zonepebitebebo.weebly.com/uploads/1/3/4/3/134369254/1bed443497cd2.pdfIn PDF document text
    • https://durabaseduxoj.weebly.com/uploads/1/3/4/2/134235759/871a0.pdfIn PDF document text
    • https://bekajujoxofutit.weebly.com/uploads/1/3/1/4/131406668/jawosi-fijavivegu-zukaxum-xadanef.pdfIn PDF document text
    • https://aljuboori.com/userfiles/files/49372482979.pdfIn PDF document text
    • https://ribovaboj.weebly.com/uploads/1/3/0/7/130775049/9547114.pdfIn PDF document text
    • http://artstone-eg.com/userfiles/files/wuduwuzidemogiviga.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_off0004dabe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4DABE 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0004f2d0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4F2D0 17888 bytes
SHA-256: b130e320aad536dc955bef7908ca304513b8c3b9c062e0e1dc3cf02136452c17
font_02_sfnt_off000520af.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x520AF 10892 bytes
SHA-256: 1ef5276ba33230bf7a88611ef83970da44b59712062a24918f3d8443088d5e8f

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