MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous URLs that point to compromised websites and potentially malicious content, suggesting a phishing or malware distribution scheme. The presence of multiple external URIs and compromised CMS upload links reinforces the attack pattern.
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://capital-tic.com/upload/ckfinder_temp/files/20210529203502.pdf In PDF document text
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/0d331e5f04087c55855edc2eaa3de34d/76851034677.pdfIn PDF document text
- http://a-pro-peau.fr/userfiles/file/gujopipivolufimaliki.pdfIn PDF document text
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608dbc1fa9d66---22831421582.pdfIn PDF document text
- http://nonstopsushi.com/uploads/files/dovokabavijur.pdfIn PDF document text
- http://rialta.ie/userfiles/files/56986174764.pdfIn PDF document text
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bebf6cad135---55349834191.pdfIn PDF document text
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2c27e4ec78---18600227329.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/2c115be477ea4a82fcee1083bf6c6259/rixunuzavetarorosire.pdfIn PDF document text
- http://bioident.pl/photos_fck/file/19281417449.pdfIn PDF document text
- https://micast.de/wp-content/plugins/super-forms/uploads/php/files/gofbu5g308cfrjrjqt2p58ogfk/sagipewesatuvar.pdfIn PDF document text
- https://vietnam-pump.com/userfiles/file/23568995480.pdfIn PDF document text
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160907f27740d6---82479187229.pdfIn PDF document text
- http://ankamet.com/userfiles/file/dabuxuwazolufezumi.pdfIn PDF document text
- https://alakharia.com/public_html/userfiles/file/nonaweginaj.pdfIn PDF document text
- https://85097781.com/upload/files/faduzetekoweviduwuf.pdfIn PDF document text
- http://aldo-ins.com/userfiles/file/lodolisuvizixaxiziluwasa.pdfIn PDF document text
- http://crabandclaw.com/uploads/files/43605132963.pdfIn PDF document text
- http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/54ffe717258ffd805bf51f4043dca826/dodiduposokonejele.pdfIn PDF document text
- http://cableesmaltado.com/d/files/64284678493.pdfIn PDF document text
- http://agiusfuneraldirectors.com/files/file/mezoxezoditu.pdfIn PDF document text
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16083484e1d55f---valobipefixutexomunanuda.pdfIn PDF document text
- http://nhanvietgroup.com/demo/xay-dung-tnx/upload/files/33796879598.pdfIn PDF document text
- https://southernlightingsource.com/wp-content/plugins/super-forms/uploads/php/files/12284251ae99799edd9bb6e3f0297514/tafamax.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=journal+of+solid+waste+management+pdfPDF 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_off0000c223.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC223 | 11016 bytes |
SHA-256: 604292235d83d7afb3c47f4c796e91bd3223b5bfa242ce4e999d136debbaf459 |
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font_01_sfnt_off0000db9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB9A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f3ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3AC | 17236 bytes |
SHA-256: 1d46f4880e3c562d03d802b03026c7a672f71ef25e6f831b01171d56d40f21f2 |
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