Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa8eaabc42f60ebe…

MALICIOUS

PDF

73.4 KB Created: 2021-09-28 10:25:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-06
MD5: d5575a962d489343594137b91e74a6f6 SHA-1: f9e24cc57a9b18db65e15e0a05f8e754232723aa SHA-256: aa8eaabc42f60ebe00b471857d1e2553443143006dafee274052cd1c3b3b364f
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9973

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://wmasgroup.com/userfiles/file/zizigeso.pdf In PDF document text
    • https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/82632ffbb4ce20463be4f0639e9f026b/73482784115.pdfIn PDF document text
    • https://profipreklady.cz/www/ckfinder/userfiles/files/dedov.pdfIn PDF document text
    • https://zahrek.com/userfiles/file/11798035502.pdfIn PDF document text
    • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/c9631a3e809f01f29549c9809156320b/webupoxexasowalijodeviz.pdfIn PDF document text
    • http://louisefarmersmith.com/admin/ckeditor/ckfinder/userfiles/files/28230810214.pdfIn PDF document text
    • https://playindiano1.in/ckfinder/userfiles/files/57863047583.pdfIn PDF document text
    • http://kahasat.cz/data/file/zafuwitufozekatilozixapu.pdfIn PDF document text
    • http://metalzilembo.it/userfiles/files/99356154901.pdfIn PDF document text
    • http://parkingparts.com/Upfiles/file/nepaxipozinomunar.pdfIn PDF document text
    • http://vedepcuaem.com/luutru/files/20890041575.pdfIn PDF document text
    • http://pensionpoint.cz/userfiles/files/fesevotutufudomeravoka.pdfIn PDF document text
    • https://techson-cctv.com/upload/file/61207575696.pdfIn PDF document text
    • https://igk-lilienthal.de/downloads/mileravojerebivexazikom.pdfIn PDF document text
    • http://rustproofingottawa.com/userfiles/file/wizitamigok.pdfIn PDF document text
    • http://yao-cheng.com/uploadfiles/20210919064806.pdfIn PDF document text
    • http://thainightjob.com/ckfinder/userfiles/files/lekelivazager.pdfIn PDF document text
    • https://fasaac.org/temp/files/falalirune.pdfIn PDF document text
    • http://dungcucaytrong.com/images/files/28571537819.pdfIn PDF document text
    • http://jtravel.clickis.kr/FileData/ckfinder/files/20210925_2EFF6999D8A437DA.pdfIn PDF document text
    • https://efficimm.fr/userfiles/files/nizemikemapisumudapijoge.pdfIn PDF document text
    • http://veewood.com/file_media/file_image/file/galevimuxaruvakepawame.pdfIn PDF document text
    • http://aedelsur.com/contenido/files/kabajivimojom.pdfIn PDF document text
    • http://linuxnewyork.com/draft/media/lokebivikewapapig.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=spoof+mac+address+androidPDF link annotation
    • http://irodori.kir.jp/files/file/95106126736.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_off0000b8a5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB8A5 10712 bytes
SHA-256: e6b3b6341934cdaea682e665f150e2d7cbdc234d60730917ceb997c9f3b570aa
font_01_sfnt_off0000d12c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD12C 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0000e93e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE93E 18096 bytes
SHA-256: 69a2b6149dab89af51dc651d4bc4f922abe1f8b761b4203928d82bbdab757f93

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