MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to compromised WordPress upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. While no scripts were explicitly extracted, the PDF structure and URL patterns indicate a likely attempt to deliver a secondary payload or phish credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://hrmconsulting.biz/upload/files/38122733712.pdf In PDF document text
- http://www.klpreschool.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085313c6c0e5---13910124030.pdfIn PDF document text
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d27bcc43264---58462911112.pdfIn PDF document text
- http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609776d3f3f7a---diwetumeteta.pdfIn PDF document text
- http://vantaibactrungnam.vn/upload/files/57248476345.pdfIn PDF document text
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073e27336cbc---nuwotowoduvesuti.pdfIn PDF document text
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160bb68b659105---1801175835.pdfIn PDF document text
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/9981b3f85efbad93f5045fa1fe962f59/fezezavafud.pdfIn PDF document text
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a4327bca543---rolekekegovunumigis.pdfIn PDF document text
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/1418383pcvnbkb9o407i3d9nn6/fizetejuzonazisapipeg.pdfIn PDF document text
- http://creativeindustries.ru/uploads/userfiles/file/99403474879.pdfIn PDF document text
- https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/0738e67bbdc4801b5e3c26f55266ab32/66367546358.pdfIn PDF document text
- http://constantemail.com/userfiles/file/162464436467338963235.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/jhb19706isqiar7hlgl7uf5q5l/gufobopozaxivat.pdfIn PDF document text
- http://kingsfinancialconsulting.com/userfiles/file/voraluputud.pdfIn PDF document text
- https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bb5eafe840f---nedadudewarawalike.pdfIn PDF document text
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/160977d739a051---5712901783.pdfIn PDF document text
- http://skiflogistics.ru/userfiles/file/kituzogavoposefopur.pdfIn PDF document text
- http://martonaroniskola.net/userfiles/file/99006324130.pdfIn PDF document text
- http://ldbell1965.net/clients/85689/File/62332689734.pdfIn PDF document text
- http://biirbeh.mn/images/content/file/67020682792.pdfIn PDF document text
- https://theatresaucinema.fr/uploads/file/dutefojaxanijik.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609bb394046b0---xiwaguzaposoviwawan.pdfIn PDF document text
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/5hudlhco17evvc77jqstcuci55/54476235850.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=plight+one%27s+trothPDF 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_off0000ef2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF2E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010745.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10745 | 10260 bytes |
SHA-256: 9d9f55a3e5f6cdcf247ff3db0102dfb64d0f2bec5f6ec24ff1ada6a3f639f004 |
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font_02_sfnt_off00011e4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E4C | 18528 bytes |
SHA-256: 9f9e2caa034e730da6aaeba08e10c7c454dd7299f61a69bfe68cf4f14c921dcf |
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