Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b610627b6391bf6…

MALICIOUS

PDF

80.4 KB Created: 2022-04-13 09:42:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-17
MD5: cdf95af16d04f670ee33172e2ad632ef SHA-1: 4827dd27ce373de60b0b852ceace911209198ed8 SHA-256: 2b610627b6391bf674620c1ca695ac00ec6d603b1d730b5c557bed22725255b8
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9981

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://tevav.co.za/YmrXLWy8?keyword=euclidean%20geometry%20proofs%20grade%2012%20pdf PDF link annotation
    • https://vitunazijiw.weebly.com/uploads/1/4/1/4/141441942/xikik_zedubiv_jovovaxidakolu.pdfIn PDF document text
    • https://gefawopunov.weebly.com/uploads/1/3/0/9/130969454/tarumixar.pdfIn PDF document text
    • https://xizadaxegux.weebly.com/uploads/1/3/4/5/134512129/5672638.pdfIn PDF document text
    • https://xolivura.weebly.com/uploads/1/3/5/9/135958321/a79cef.pdfIn PDF document text
    • http://helderlive.nl/ckfinder/userfiles/files/wikirowemiwerigebovuje.pdfIn PDF document text
    • http://vivaldiskibus.com/FileData/ckfinder/files/20220405_8089BD3CBF13A700.pdfIn PDF document text
    • https://wagizubim.weebly.com/uploads/1/3/4/4/134470033/1fbccb.pdfIn PDF document text
    • https://lutovadefok.weebly.com/uploads/1/3/3/9/133997447/15b3bccf.pdfIn PDF document text
    • https://kevotimobamos.weebly.com/uploads/1/3/1/6/131636762/lisikilasiwane.pdfIn PDF document text
    • http://www.lasallelille.com/admin/ckfinder/userfiles/files/lapejawit.pdfIn PDF document text
    • https://jubuxazule.weebly.com/uploads/1/3/4/5/134585976/66a3d5f1592c03c.pdfIn PDF document text
    • https://lurenosofen.weebly.com/uploads/1/3/0/7/130740325/pikufifureladan.pdfIn PDF document text
    • https://dobukikiwaf.weebly.com/uploads/1/3/5/2/135295041/nasexakutap_zawuvulimetalo_zinevitibu_jefoxu.pdfIn PDF document text
    • https://zinurutiman.weebly.com/uploads/1/3/5/2/135295757/f04f7532.pdfIn PDF document text
    • http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16253551973855---retafizidudubabinapiwa.pdfIn PDF document text
    • https://nitm.ac.in/nitmeghalaya/ckfinder/userfiles/files/gesekadigevonupof.pdfIn PDF document text
    • https://tiwozujipi.weebly.com/uploads/1/3/5/3/135317022/vopenukureg.pdfIn PDF document text
    • https://kavosimodo.weebly.com/uploads/1/3/4/9/134901779/5753457.pdfIn PDF document text
    • https://gasirawudalanud.weebly.com/uploads/1/4/1/2/141251143/bowolixuz_gudigemojetajif.pdfIn PDF document text
    • https://muxapikaw.weebly.com/uploads/1/3/5/3/135346573/df03e3d357c2b.pdfIn PDF document text
    • https://thermocalnepal.ramjanki.com/ckeditor/kcfinder/upload/files/fabukukofuluwevifojef.pdfIn PDF document text
    • https://jasugigikimodo.weebly.com/uploads/1/3/1/3/131383258/2784420.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_off0000d04c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD04C 17944 bytes
SHA-256: 9d8205287f22f9edd3c0ea1bf61c6768de408d7984f9044f759206fce078a7ea
font_01_sfnt_off0000ffb7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFFB7 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off000117ce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x117CE 11332 bytes
SHA-256: a0510cfd9f9669620b1e49b3e652f4ac011dd76172542882a93e896ca6add8c5

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