Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e3f5dd450942da2…

MALICIOUS

PDF

534.7 KB Created: 2022-05-18 11:42:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19
MD5: 481f6ebdb3fc8e0b6ca7935f815543e2 SHA-1: 4d3da2d0ea5a5e8716893cdf2d470d54888611e6 SHA-256: 4e3f5dd450942da2241a658236af81d16eacf7b3743ed5e0fe564bbe53f799f8
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.8020

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://sunuf.co.za/YmrXLWy8?keyword=cultura%20brasileira%20e%20identidade%20nacional%20renato%20ortiz%20pdf%20de%20la%20cruz%20del PDF link annotation
    • https://kuvopesi.weebly.com/uploads/1/3/2/3/132303138/kaxerorizugegotoj.pdfIn PDF document text
    • http://shopcloud.cloud/ckfinder/userfiles/files/logozatokujakono.pdfIn PDF document text
    • http://knshzj.com/CKEdit/upload/files/58364076535.pdfIn PDF document text
    • http://cnf.toroudshomal.com/admin/upload/files/tifimi.pdfIn PDF document text
    • https://villa-kaiali-martinique.com/images/files/dipivotekenonat.pdfIn PDF document text
    • https://xagikeridujo.weebly.com/uploads/1/4/1/4/141427311/5870615.pdfIn PDF document text
    • http://fujieshubao.com/zk/UploadFile/file/2022032617032673499.pdfIn PDF document text
    • http://euro-service.org/kcfinder/upload/images/xadezarewadoxizidu.pdfIn PDF document text
    • https://salawaguxemixuv.weebly.com/uploads/1/4/1/3/141351136/netilux.pdfIn PDF document text
    • https://lonokowikur.weebly.com/uploads/1/3/5/3/135384913/sodidinotidupuj_wakebagodonudor_nuzune_zogajowimebedu.pdfIn PDF document text
    • http://brackenpaving.com/files/vanux.pdfIn PDF document text
    • https://juvobekini.weebly.com/uploads/1/3/4/3/134384538/4657498.pdfIn PDF document text
    • http://sevenseahotel.com/uploads/images/files/15031857495.pdfIn PDF document text
    • https://chameleoncoupons.com/adgprocessing/uploads/files/41566352140.pdfIn PDF document text
    • http://metabolit.ru/files/file/29126189661.pdfIn PDF document text
    • https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/503dd2caf1dceeafef7c0280ac5f8de0/xejusutefagekera.pdfIn PDF document text
    • http://www.sanbernardinoverona.it/_admin/kcfinder/upload/files/pelogonerezekunuku.pdfIn PDF document text
    • https://pemovoxi.weebly.com/uploads/1/3/4/6/134680353/91aea.pdfIn PDF document text
    • http://greenbiotech.vn/uploads/userfiles/file/pubasurefuginidadar.pdfIn PDF document text
    • https://ramipataxeki.weebly.com/uploads/1/3/4/4/134483057/f10e9d2ab0ca1.pdfIn PDF document text
    • https://mazazogadof.weebly.com/uploads/1/3/4/3/134374066/meweni.pdfIn PDF document text
    • https://kafutejitiripil.weebly.com/uploads/1/3/4/6/134625984/5802049.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_off0007e114.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7E114 23240 bytes
SHA-256: 006b342b8515c8fc9ef28c755c3daf0a683995f94fc4cd78e12c090b09d58622
font_01_sfnt_off000817d1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x817D1 10944 bytes
SHA-256: 3862d029523bc91ebae2b8047b85e92e547a87e2e5670a2b254441037e0503b4
font_02_sfnt_off00083127.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x83127 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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