MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to domains flagged as disposable or potentially compromised, suggesting a phishing or malicious redirection scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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 http://gzlmjx.com/data/home/bxu2343160066/htdocs/uploadfile/files/vugokenisovoko.pdf In PDF document text
- http://kingsfci.com/userfiles/file/19295136551.pdfIn PDF document text
- https://unaizahic.com/Files/files/pagosuwalabupajoko.pdfIn PDF document text
- http://chetaomaynganhnhua.com/uploads/files/mobukigudugu.pdfIn PDF document text
- https://kingdom.vn/userfiles/file/40741676757.pdfIn PDF document text
- http://bright-mineral.com/uploadfile/file/2021090412044014.pdfIn PDF document text
- http://ever-pioneer.com/upload/files/volupujewapetitenof.pdfIn PDF document text
- http://benevolo.it/userfiles/files/71449624105.pdfIn PDF document text
- https://protectname.xyz/whoisprivacy/userfiles/files/wurakepumizafuzo.pdfIn PDF document text
- https://plagij.at/ckfinder/userfiles/files/82844607477.pdfIn PDF document text
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f8f09d1a97---jonefegetonevexabafudofo.pdfIn PDF document text
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/16130dcf761607---zipiropuvul.pdfIn PDF document text
- http://yogaschoolofkerala.com/photos/editor/files/xebefumilunezudaxog.pdfIn PDF document text
- http://marketypik.pl/zdjecia/fck/file/51654132300.pdfIn PDF document text
- http://bookblog.kr/data/file/files/96971487829.pdfIn PDF document text
- https://gedayapi.com/userfiles/file/15178248397.pdfIn PDF document text
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612fd6956e20b---muberatakabiw.pdfIn PDF document text
- http://autokolcsonzoszolnok.hu/admin/fck_upload/file/nufonexomu.pdfIn PDF document text
- https://bselink.com/userfiles/file/ladudafaletokanurolos.pdfIn PDF document text
- http://087334211.kad.tw/kads/ckfinder/userfiles/files/pedafekivebugowal.pdfIn PDF document text
- https://iphastkala.com/userfiles/file/73395226383.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=catcher+in+the+rye+pdf+chapter+21PDF 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_off0000cc88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC88 | 16592 bytes |
SHA-256: 481a583588a1ab7e7700722762b0927bced7aaa2ee4a28854bba261e677b3c89 |
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font_01_sfnt_off0000f730.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF730 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010f47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F47 | 10700 bytes |
SHA-256: beb7a33133a9420d0f827e63913137ea71bcbbb1d73d04ce722ec4831e69c8ab |
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