MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on compromised WordPress sites, suggesting a link farm or phishing campaign. The PDF structure and embedded URLs point towards an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606fe076b5ce5---42912170185.pdf In PDF document text
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606eb01c6b6f6---89040093446.pdfIn PDF document text
- http://lisaarkinlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/27177993161.pdfIn PDF document text
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/16075b576c62ea---2985441941.pdfIn PDF document text
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1609a81caa9805---66370039553.pdfIn PDF document text
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608f3331efadc---fawevezikowadodijonamaz.pdfIn PDF document text
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/42057fdfa23773a0609dee4b3dc0bdd9/japevuxuwotezenapi.pdfIn PDF document text
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/rolmn1nacnj00454a3cccauf1c/67299633898.pdfIn PDF document text
- http://tuzvedo.hu/elemek/file/82217891225.pdfIn PDF document text
- https://robert-zauer.cz/userfiles/file/jodazapesare.pdfIn PDF document text
- http://thsport.dk/userfiles/file/bugabedi.pdfIn PDF document text
- https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/7f5f7c67a444d261631a040f082d4bc4/lomeluzajox.pdfIn PDF document text
- https://abctranslink.com/ckfinder/userfiles/files/70834041405.pdfIn PDF document text
- https://infosantiere.ro/userfiles/file/25594809373.pdfIn PDF document text
- https://plasy.com/uploads/file/73833809214.pdfIn PDF document text
- https://www.alignerco.ca/wp-content/plugins/super-forms/uploads/php/files/e8863168ad7d1b8963b7349384fc60e2/tewikikalupaverifabifi.pdfIn PDF document text
- http://salinahighschool1967.com/clients/c/c9/c9c88be04994199279bceb128c91314f/File/jofewufigovidimatazotoj.pdfIn PDF document text
- https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/4cd521a312836a5630584ce83790b02b/fevozeneropowafaleredix.pdfIn PDF document text
- https://avigailpekelman.com/sites/default/files/file/24096600035.pdfIn PDF document text
- https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/16100f51cc8233---vedurifusasixusataleb.pdfIn PDF document text
- https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/dd5a1ce0a4380ead123011d357643dec/73253701430.pdfIn PDF document text
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab678e64f71---penenufobotivi.pdfIn PDF document text
- http://cableesmaltado.com/d/files/87418211806.pdfIn PDF document text
- http://omgmediatank.com/userfiles/files/limowe.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=how+to+unblock+websites+on+school+chromebookPDF 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 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_off0000f594.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF594 | 10744 bytes |
SHA-256: 7707c9c408e0fa0d667f9c354e9c93e5fb6a9e73600890524f19a38034516b54 |
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font_01_sfnt_off00010e21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E21 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012633.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12633 | 17000 bytes |
SHA-256: 5ac728615937177a6955886578eab24c98a308f397447d38ef51f69385ebfd14 |
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