MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites. Heuristics indicate a 'link farm' pattern, suggesting the document's purpose is to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly support a malicious classification, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/15330da3bd91a41f562eab90406f7691/52357951280.pdf In PDF document text
- http://dighakanchaninternational.com/FCKeditor/file/49792992332.pdfIn PDF document text
- http://fantalife.nl/userfiles/file/275452419.pdfIn PDF document text
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/vk9d859nbaq950en3k24t4ela4/7298080542.pdfIn PDF document text
- http://sbox-technology.com/upload/datoteke/pulugifuk.pdfIn PDF document text
- http://ttmplus.com/userfiles/files/vulopoluzusosuvemobido.pdfIn PDF document text
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16095d8a1840e3---24759298169.pdfIn PDF document text
- http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160943086d8088---mikasiparusisetuxozox.pdfIn PDF document text
- https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071e60502df7---xerakodotajasi.pdfIn PDF document text
- https://itacademyindia.com/ckfinder/userfiles/files/67412035090.pdfIn PDF document text
- https://bilegt.mn/userfiles/files/regaruxibunefofipamud.pdfIn PDF document text
- http://foto-klub.dk/userfiles/file/48238095984.pdfIn PDF document text
- http://daeryuhealthcare.com/ckupload/files/72260895449.pdfIn PDF document text
- http://bmsorganica.com/userfiles/file/nimog.pdfIn PDF document text
- http://adabaskimerkezi.com/upload/file/kexuwelibipov.pdfIn PDF document text
- http://sino-web.net/filespath/files/20210816013215.pdfIn PDF document text
- https://bd-sokolovska.eu/userfiles/file/paxovu.pdfIn PDF document text
- http://helderlive.nl/ckfinder/userfiles/files/15382941967.pdfIn PDF document text
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/d96bf96b5d2c4f88dea35ea358ee890c/pafafumawakozumatalivivis.pdfIn PDF document text
- http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/16092c42037995---49173010906.pdfIn PDF document text
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160fb40c7c69bc---79655422931.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=skystone+game+manual+part+2PDF 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_off0000cf21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF21 | 19352 bytes |
SHA-256: b3b93720b36161dc2ec72a87221ddf5a513448094f0881a4d92e36e9fea307b5 |
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font_01_sfnt_off0001019e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1019E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000119b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119B5 | 11004 bytes |
SHA-256: d2919fa90b88aad4458feba03c40bab7faab920bbb3c1250d268fdf0025a056f |
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