MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. The presence of 'utm_term' parameters in some URLs suggests an attempt to track user engagement with the malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://irlanc.ru/uplcv?utm_term=minecraft+does+fire+protection+stack PDF link annotation
- http://kimyasaldubeller.com/upload/ckfinder/files/lifodoxogokobozopaze.pdfIn PDF document text
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133342c07b40---461132638.pdfIn PDF document text
- https://burkina-businessschool.com/business_school/uploads/file/31104229531.pdfIn PDF document text
- https://shoppe.everybodyisnotdoingit.org/gift/userfiles/files/zarevejux.pdfIn PDF document text
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138ad2b8e3ee---dipuvedakenugedida.pdfIn PDF document text
- https://okinawa4d.com/contents/files/15524982732.pdfIn PDF document text
- http://aromamahabaleshwar.com/ckfinder/userfiles/files/dasaganawotol.pdfIn PDF document text
- https://www.gullyracing.it/admin/ckfinder/userfiles/files/55181820525.pdfIn PDF document text
- http://ogcdc.org/uploads/ck_upload/files/pikamulilatusa.pdfIn PDF document text
- http://zhongjiukeji.com/upload_fck/file/2021-9-8/20210908002216159697.pdfIn PDF document text
- http://smepil.com/ckeditor/userfiles/files/62537479147.pdfIn PDF document text
- http://hyunshin.net/userfiles/file/98893307209.pdfIn PDF document text
- https://sukienmiennam.com/userupload/files/gijedabowoxazagebuvat.pdfIn PDF document text
- http://greathorserider.com/ckfinder/userfiles/files/93380221175.pdfIn PDF document text
- http://mbjarrahi.com/UploadedFiles/New/file/15745997202.pdfIn PDF document text
- https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/6cc33b43ecf141cf7e75eb8e91a61ade/60989469093.pdfIn PDF document text
- https://hongdung.vn/ckeditor/images/files/futewefamedukemogeneme.pdfIn PDF document text
- http://rudolphalexander.com/uploads/files/94294625848.pdfIn PDF document text
- https://akproauto.net/nbloom/fckuploads/file/68490837784.pdfIn PDF document text
- http://sghr.ca/upload/ckfinder/files/60587235696.pdfIn PDF document text
- http://mariautonoleggiomarsala.it/userfiles/files/midabalebexekub.pdfIn PDF document text
- http://betonkeritesek.eu/Content/files/pavimopozuje.pdfIn PDF document text
- https://consurs.ro/ckfinder/userfiles/files/88296508521.pdfIn PDF document text
- https://acp-luxusingatlanok.hu/ckfinder/userfiles/files/27185909359.pdfIn PDF document text
- https://matrainagycsalados.hu/userfiles/file/vovanakisumo.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_off0000d93e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD93E | 16148 bytes |
SHA-256: 76a78cee6502166918fd8e49dea8c7dc951a47f5ff41b02435ab355ea4c53d54 |
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font_01_sfnt_off00010288.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10288 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011a9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A9F | 10652 bytes |
SHA-256: 0add069bd10aa64e5a3d3f63363ebb62808f03b27c98f8decb9303ca9085232b |
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