Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3e52f6b0df525a9…

MALICIOUS

PDF

72.6 KB Created: 2021-10-02 14:34:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-20
MD5: b847915f9ceecb6e9b4e8138957c8d17 SHA-1: c833baa29dd9a59a4387a02ff03358f7cbaa74b1 SHA-256: d3e52f6b0df525a920c918cd852f7b3ce53b7f654bc4afda4b06ccf8973c4e4a
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9908

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
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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 http://haitrungkim.vn/uploads/userfiles/file/82220801905.pdf In PDF document text
    • https://watfordfairtrade.org/app/webroot/img/files/38922728011.pdfIn PDF document text
    • https://jjcfurnituremaker.com/userfiles/files/jidavimuz.pdfIn PDF document text
    • http://cochemical.com/upload/files/65552822404.pdfIn PDF document text
    • https://burgas-remonti.com/userfiles/file/82856316167.pdfIn PDF document text
    • http://modernplating.com/userfiles/file/tumexexorotitizemujajewup.pdfIn PDF document text
    • http://kocavietnam.com/upload/files/nenevuvubimemivuzadozaje.pdfIn PDF document text
    • http://bhk-aindling.com/userfiles/files/7752944000.pdfIn PDF document text
    • http://unstitchedfootwear.net/files/file/11096778740.pdfIn PDF document text
    • http://thaimassagemodel.com/ckfinder/userfiles/files/wajuk.pdfIn PDF document text
    • http://konditsionery-odincovo.ru/upload_picture/file/vebativa.pdfIn PDF document text
    • http://acecaalcoy.com/userfiles/file/90080982858.pdfIn PDF document text
    • http://dytac.hk/userfiles/lobexitiwewitoze.pdfIn PDF document text
    • https://driftwoodcc.com/userfiles/files/61331447001.pdfIn PDF document text
    • https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16157fe1e7ac41---valajawovelapiguf.pdfIn PDF document text
    • http://avemkz.internet-match.com/upload/files/93309194827.pdfIn PDF document text
    • http://sevenseahotel.com/uploads/images/files/wupovunikazutijo.pdfIn PDF document text
    • http://efrex.cz/files/file/wifopisix.pdfIn PDF document text
    • http://www.serenissimaservizi.com/files/gasolonojutajo.pdfIn PDF document text
    • http://residenceraffaellotorino.com/userfiles/files/86027857389.pdfIn PDF document text
    • http://share-world.tw/userfiles/file/gurapulapirad.pdfIn PDF document text
    • https://barcelonacentremedic.cat/files/galeria/files/vozojaz.pdfIn PDF document text
    • https://petikdaun.com/contents/files/gofavikewaniweja.pdfIn PDF document text
    • http://sgd42.ru/userfiles/file/340464995.pdfIn PDF document text
    • http://cp-tournament.org/ckfinder/userfiles/files/11101399058.pdfIn PDF document text
    • http://casier-a-bouteilles.com/file/depupan.pdfIn PDF document text
    • http://jtravel.clickis.kr/FileData/ckfinder/files/20210927_E76A728F55B87FA2.pdfIn PDF document text
    • http://afinamebel.ukrkarta.ua/fckeditor/userfiles/file/rugoruter.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=career+after+sociologyPDF link annotation
    • 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_off0000b807.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB807 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000d019.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD019 17364 bytes
SHA-256: e5659b7c27e69f23d642b53b45459b34396638a982114cfcdab3f26099ec4f40
font_02_sfnt_off0000fc6b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFC6B 10552 bytes
SHA-256: 54644d5e3bc7f7845a098cad6a3794f5f5a369c00e46da38b8c2bd424a2c8ed7

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