Malicious PDF — malware analysis report

Static analysis result for SHA-256 4af4836f82f6907a…

MALICIOUS

PDF

342.5 KB Created: 2022-04-15 04:14:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-06
MD5: b09b183cab38ecaad4279b02f465c825 SHA-1: 4e81d55733bcf7ce570fe5d8a0e28d8f43149070 SHA-256: 4af4836f82f6907a872d44665f34ec39e9bbace3f2f656c4a3ec5c948a9b1407
104 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.6933

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
  • SEO-redirector lure link (multi-word utm_term) low PDF_SEO_UTM_REDIRECTOR_LINK
    PDF contains a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the search-keyword gateway used by the 'free document download' phishing family. Surfaced as an IOC; on its own this is a low-confidence signal.
  • 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://lovig.co.za/XSRYdR1H?utm_term=apple+shortcuts++facebook+video PDF link annotation
    • https://jofenunamupil.weebly.com/uploads/1/3/4/3/134343358/benotokomufi-pigubif-fubewososovatog-fapudefikiv.pdfIn PDF document text
    • http://ideamarketing.abkgrupa.pl/pub/file/24779245491.pdfIn PDF document text
    • https://demircanticaret.com/userfiles/file/30147774495.pdfIn PDF document text
    • https://hfbee.tw/upload/ckfinder_temp/files/20220318170329.pdfIn PDF document text
    • https://duxebiforup.weebly.com/uploads/1/3/4/0/134013009/tupulebevodoluras.pdfIn PDF document text
    • https://zobonufu.weebly.com/uploads/1/4/1/3/141319868/e930107dee25bb.pdfIn PDF document text
    • http://hongsung114.com/files/fckeditor/file/mibalada.pdfIn PDF document text
    • https://dalovoxibezovuk.weebly.com/uploads/1/3/4/6/134615649/3c310727c35859d.pdfIn PDF document text
    • https://sanawovixib.weebly.com/uploads/1/3/4/6/134653903/parowivofibef.pdfIn PDF document text
    • https://nezisotozudobo.weebly.com/uploads/1/4/1/4/141447678/da6ae0e1b3.pdfIn PDF document text
    • https://nizedavigo.weebly.com/uploads/1/3/4/8/134879015/592520.pdfIn PDF document text
    • http://hnhappiness.com/d/files/xiroxi.pdfIn PDF document text
    • http://195exim.com/datas/files/vivatila.pdfIn PDF document text
    • http://rexpo.es/admin/ckFiles/files/48703220513.pdfIn PDF document text
    • https://walowopus.weebly.com/uploads/1/3/5/2/135295279/fozazozeme_lezizut_dagujaxor.pdfIn PDF document text
    • https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/06126bf1c65ec19039c42de75f871217/43975223776.pdfIn PDF document text
    • https://nunamifeko.weebly.com/uploads/1/3/2/7/132740424/9007421.pdfIn PDF document text
    • http://juncheng.tw/upload/files/28891743002.pdfIn PDF document text
    • https://jubasuza.weebly.com/uploads/1/4/1/3/141339732/7541429.pdfIn PDF document text
    • https://wevabubuked.weebly.com/uploads/1/3/4/5/134584052/lafufof.pdfIn PDF document text
    • https://vamawawu.weebly.com/uploads/1/3/0/8/130874524/2322506.pdfIn PDF document text
    • https://padilokemim.weebly.com/uploads/1/3/1/3/131381900/vagomuko.pdfIn PDF document text
    • https://togurugake.weebly.com/uploads/1/3/1/4/131412858/jasenexemetamo.pdfIn PDF document text
    • https://wobumobovutukom.weebly.com/uploads/1/3/1/6/131606412/mujevabajir.pdfIn PDF document text
    • http://highspiritsmusic.com/ckfinder/userfiles/files/wexatukisurosifumi.pdfIn PDF document text
    • https://tilipigenetuwa.weebly.com/uploads/1/3/4/7/134770736/borazolajarafasin.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_off0004ed64.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4ED64 10992 bytes
SHA-256: 6a68537e1339664a01004fc55ed78e42f5a258cc598d9d6ae6b83f8813ed3792
font_01_sfnt_off000506ef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x506EF 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off00051f01.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x51F01 17040 bytes
SHA-256: b60f1f63e3cf894148ff4733db1c9bb8e8f5a87d9df0200d689b00a6c4b73f57

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