MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. It contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to distribute malware or conduct phishing. The ML classifier also returned a high confidence score for maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://clarkstownhs64.com/clients/2/25/255c49a504cbad61718694d8b78dfcdd/File/96649219576.pdf In PDF document text
- https://bhsbeacon.com/FCKeditor/file/sanukoso.pdfIn PDF document text
- https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/3qp5dtahaj30nd5tjt5bg3a8mr/powebimasolirinekepud.pdfIn PDF document text
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abb58375a85---54770767516.pdfIn PDF document text
- http://alrehabourhome.com/userfiles/files/buripapaniwe.pdfIn PDF document text
- http://mvclassof1990.com/clients/8/8c/8ca0ba2c7a07c5cd1f21f9fc323c16c5/File/vebosopewi.pdfIn PDF document text
- http://pc-driver.ru/userfiles/files/rewowepokemulaja.pdfIn PDF document text
- https://bamor.org/userfiles/file/74327649989.pdfIn PDF document text
- http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160706c999297d---tebuvo.pdfIn PDF document text
- https://kvkumariajnkvv.org/singhania/downloads/file/zezixadipizebomujel.pdfIn PDF document text
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16091dcdca352c---39960422090.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f62e1b22ad---88402306485.pdfIn PDF document text
- http://ventima.ru/userfiles/file/goxidolotabuniwuwokifi.pdfIn PDF document text
- https://aokman-drive.com/d/files/megesezinukolufudovevi.pdfIn PDF document text
- https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16109bb1309e3c---gepit.pdfIn PDF document text
- http://nuestratierrapremios.com/campannas/file/kipajowujadewevenaduge.pdfIn PDF document text
- http://cpbnatation.fr/fckeditor/userfiles/file/54098285496.pdfIn PDF document text
- https://thesaddlebank.com/wp-content/plugins/super-forms/uploads/php/files/f4ovgkjhgdvr6p8catf1o9cg5s/46828922966.pdfIn PDF document text
- https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/771afa2d1e1def80f0774224b0d89a39/jabekuvixulafabenoduko.pdfIn PDF document text
- https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/59d774c7513480f87fd49fa07bb6d501/24739119940.pdfIn PDF document text
- https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160791d8463365---mubiraturiropa.pdfIn PDF document text
- https://sunnyrosesschool.com/userfiles/file/wagoxeluw.pdfIn PDF document text
- https://pousadamarazul.tur.br/wp-content/plugins/formcraft/file-upload/server/content/files/16089f1a741394---13503752806.pdfIn PDF document text
- http://kolaykanal.com/userfiles/files/wekawudidadefaxatobakuxol.pdfIn PDF document text
- https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/eiqev8crpsdmtsnt9d51npq94o/nokidogagus.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=10th+class+biology+book+in+english+pdf+downloadPDF 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_off0000ddd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDD6 | 11308 bytes |
SHA-256: 39afd100fe4a9c089d0949e3d00f483104ff98c1d14406690b4d619fc88d2355 |
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font_01_sfnt_off0000f80c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF80C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001101e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1101E | 17572 bytes |
SHA-256: 4111eba28e12fef5352a9c0e31a311b7bba6cef15e36954a5b0abffde2814022 |
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