Malicious PDF — malware analysis report

Static analysis result for SHA-256 0189fd45481553da…

MALICIOUS

PDF

81.1 KB Created: 2022-04-01 07:47:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-08
MD5: 3fa604aeb7fd8e83cd87eeb0c9f34369 SHA-1: 7c531144b145e08114b12e84f8293b90906e3d0e SHA-256: 0189fd45481553daccdaabe1a7dcc698678ec907b62ac187dbe444c024281792
156 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous links to external websites, many of which are hosted on compromised or disposable domains, indicating a link farm or phishing infrastructure. The presence of the question 'Is it bad to have a w on your transcript' in the document body suggests a lure to trick users into clicking these links. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9987

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
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://kutyakozmetikustanfolyam.hu/kcfinder/upload/files/85960328416.pdf In PDF document text
    • https://xowemaxixedire.weebly.com/uploads/1/3/5/3/135325030/9a283a1e1.pdfIn PDF document text
    • https://www.caposalasicilia.com/admin/ckeditor/kcfinder/upload/files/40437351357.pdfIn PDF document text
    • https://panasijizikefiz.weebly.com/uploads/1/3/4/4/134446590/toxado.pdfIn PDF document text
    • http://ecogestval.es/userfiles/file/68300512051.pdfIn PDF document text
    • http://asupuro.com/user_data/image/file/9244865170.pdfIn PDF document text
    • https://www.ekometal.com/kcfinder/upload/files/tovevuvav.pdfIn PDF document text
    • https://indiansecuritisation.com/ckfinder/userfiles/files/rapugoregis.pdfIn PDF document text
    • https://nepaltrekkinginhimalaya.com/assets/userfiles/files/muxazikikefusiwuwunurewav.pdfIn PDF document text
    • https://tkaniny-svitap.cz/kcfinder/upload/files/jijobijezikowinudufe.pdfIn PDF document text
    • https://sasofisapen.weebly.com/uploads/1/3/4/5/134590640/vapafulegemixu.pdfIn PDF document text
    • https://mcdelandes.ca/uploads/file/68836609551.pdfIn PDF document text
    • https://mallarpurnaisuva.org/go/file/fifidoxitulosonupa.pdfIn PDF document text
    • https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/34ce9afb5b7c262e85a3fa9959e663a7/61629026066.pdfIn PDF document text
    • http://penzionnakrizankach.cz/ckfinder/userfiles/files/xamag.pdfIn PDF document text
    • https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/162050139e7eb5---57421340135.pdfIn PDF document text
    • https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/6747b934a288ab0a86846a76456d0dd0/45010306482.pdfIn PDF document text
    • http://bangiyaparishadtoronto.ca/bpt/editor/uploadfiles/romasoberulepijuwila.pdfIn PDF document text
    • https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/162168ab5a6251---lixawisanuzabagegidonowul.pdfIn PDF document text
    • https://fesogadofopibu.weebly.com/uploads/1/3/4/4/134476120/4929065.pdfIn PDF document text
    • http://tv-kitchen.ru/files/files/7794466638.pdfIn PDF document text
    • http://f-okinawa.com/img/tmp/file/zifesefiwip.pdfIn PDF document text
    • http://ipceurope.eu/assets/file/67137459907.pdfIn PDF document text
    • https://babixugopanodip.weebly.com/uploads/1/3/5/3/135382952/cabb31b0260.pdfIn PDF document text
    • http://embody.box8websites.com/ckfinder/userfiles/files/gotimugopado.pdfIn PDF document text
    • https://tevav.co.za/YmrXLWy8?keyword=is%20it%20bad%20to%20have%20a%20w%20on%20your%20transcriptPDF 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 extracted file (font_00_sfnt_off0000d760.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000d760.bin)

Related samples 5

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d760.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD760 11024 bytes
SHA-256: da8671f698861229e504dd8d01612fb88a597ec4d7e172b0789d99b9d53fc203
font_01_sfnt_off0000f0d9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF0D9 17200 bytes
SHA-256: 4e94d3c38b7f6637f684cb8e5a4cb5107b536b2d05e98ccd3659b4da9e9bde04
font_02_sfnt_off00011d43.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11D43 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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