MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Multiple heuristics indicate the PDF contains a link farm pointing to compromised WordPress uploads and disposable hosting, suggesting an attempt to redirect users to malicious content. The embedded URLs and the nature of the heuristics strongly suggest a phishing or malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF 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.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall 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.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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://huntic.ru/uplcv?utm_term=tympanoplasty+with+cortical+mastoidectomy PDF link annotation
- http://aj-logistics.com/stock/userfiles/file/29055249815.pdfIn PDF document text
- http://dancedynamicsla.com/clients/38740/File/tabazuwujuvipetadufe.pdfIn PDF document text
- https://an-professional.ru/img/files/file/parawokodini.pdfIn PDF document text
- https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/4q4kdvglis2ktoas7mn6vj2akp/8186756239.pdfIn PDF document text
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b723a06a6dd---sulimof.pdfIn PDF document text
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3247bc019e---60729021779.pdfIn PDF document text
- http://spoanalyze.com/wp-content/plugins/super-forms/uploads/php/files/db6180216f74ae55827ac4aec9ac3190/35796362451.pdfIn PDF document text
- https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/7b01f87a74a245eb1db76e3c5bad4e6f/2653768308.pdfIn PDF document text
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16093f2e348d49---15885183747.pdfIn PDF document text
- http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e9fb917920---kuvetiwijigo.pdfIn PDF document text
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dbb41a06e9---tefuzomaforilit.pdfIn PDF document text
- http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/j934bpan6enuo12c8calv5off1/mubovafexuwi.pdfIn PDF document text
- https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/bafefd1e022b2b2a149f96c2e026e6b0/fopatesofuzapufetizi.pdfIn PDF document text
- https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/7pmoa0asrf872gf5l1jqvrc6v2/55537836096.pdfIn PDF document text
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/2tbt4hencg4jmrdflmgdc9gbs5/dabuko.pdfIn PDF document text
- http://asdgolfclubtoscana.com/writable/public/userfiles/file/rawetuzara.pdfIn PDF document text
- https://esprimagroup.com/userfiles/file/nipofiresomafolezozinof.pdfIn PDF document text
- https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/e5e899d54c6cba8ce4dcb840b0eece56/45329120049.pdfIn PDF document text
- http://starwindows.ie/ckfinder/userfiles/files/85516830576.pdfIn PDF document text
- http://studiogallerani.it/userfiles/files/50283303324.pdfIn PDF document text
- http://dichvu12h.net/userfiles/file/jerumugupi.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/2453bb8aae4186625f5ae1751c1ab28c/50811704150.pdfIn PDF document text
- https://tectrongim.com/uploads/files/39717749065.pdfIn PDF document text
- https://thetitangroup.ca/wp-content/plugins/super-forms/uploads/php/files/a6655a9380df9681dea4aaba8e26359f/roxujuxukugaforumuposip.pdfIn PDF document text
- http://bagiez.de/userfiles/file/47383384827.pdfIn PDF document text
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0857bb1fb9---tudotaborafomezasulu.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.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dc34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC34 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f44b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF44B | 10940 bytes |
SHA-256: 82f2aef9ff4792c33647cef981d986bf85f973ffd6f1f1ac1192797f7f503ca5 |
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font_02_sfnt_off00010d8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D8B | 16972 bytes |
SHA-256: 38e28ea55707cc4f59050e5177df0d1da320f6630a07cd3371efa18fe8d0278c |
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