Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ddccd329eaa52ec…

MALICIOUS

PDF

76.9 KB Created: 2022-04-05 17:36:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-26
MD5: 9082dfac4a8fbef9d6cda7183fda421a SHA-1: 24fc9c109fa4f015ba056d6a498c46f61da6996b SHA-256: 3ddccd329eaa52ec71d30a2f7f6e7120c047a1460eccb4a79207db80ecc58cd8
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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 https://podar.co.za/YmrXLWy8?keyword=tratamiento%20anticoagulante%20de%20trombosis%20venosa%20profunda PDF link annotation
    • https://jurejiburinivu.weebly.com/uploads/1/3/2/8/132814500/pubekuzerixino.pdfIn PDF document text
    • https://regurawuxafedan.weebly.com/uploads/1/3/0/7/130740517/8894704.pdfIn PDF document text
    • http://madervaf.com/admin/kcfinder/upload/files/zawotuguxezejabagilax.pdfIn PDF document text
    • https://sadewirezetif.weebly.com/uploads/1/3/4/3/134318623/divuzowopamaxulor.pdfIn PDF document text
    • https://tolejavufagus.weebly.com/uploads/1/3/1/4/131437822/2101306.pdfIn PDF document text
    • https://bukowomuwuritif.weebly.com/uploads/1/3/4/4/134443612/35fc15e986b.pdfIn PDF document text
    • https://vemewibikem.weebly.com/uploads/1/3/0/7/130776349/767296.pdfIn PDF document text
    • https://graviroz.hu/ckfinder/userfiles/files/vifivarudefotuzixuzebur.pdfIn PDF document text
    • http://naphogacomposite.com/upload/files/13314200422.pdfIn PDF document text
    • https://tivenudonokokom.weebly.com/uploads/1/3/0/9/130969369/sizugedamep.pdfIn PDF document text
    • http://piwcnorthhouston.org/admin/ckeditor/kcfinder/upload/files/78678605440.pdfIn PDF document text
    • https://nitdgp.ac.in/uploads/userfiles/files/tusaberirefepozubevawemo.pdfIn PDF document text
    • http://korea-labels.com/ckfinder/userfiles/files/65455005568.pdfIn PDF document text
    • http://cuanhuaabshanquoc.vn/files/57018808206.pdfIn PDF document text
    • https://zerurejapom.weebly.com/uploads/1/3/5/9/135964845/vazojaja.pdfIn PDF document text
    • https://cpsguffanti.com/uploads/file/mexanewobezijexewixutulu.pdfIn PDF document text
    • https://movulejovem.weebly.com/uploads/1/3/4/4/134470355/9347283a.pdfIn PDF document text
    • https://zopewurexolo.weebly.com/uploads/1/3/4/5/134519391/kozogefenexof_xiletikir_wadime.pdfIn PDF document text
    • http://vsrru.ru/userfiles/file/66953902358.pdfIn PDF document text
    • http://thunderstar.cn/userfiles/file/20220325124825595502700.pdfIn PDF document text
    • http://boldogelet.hu/media/49177151726.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_off0000c64b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC64B 11232 bytes
SHA-256: 5cf9c9e5c45feecad99426bdeb70bf2f510b0e3946aeb6ec60e37571079ebd34
font_01_sfnt_off0000e035.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE035 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0000f847.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF847 17124 bytes
SHA-256: b5618ba566b9a4110e6158cfd70edd00a2ae75c5e01075fa4b4a806374923695

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