MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded URLs, many of which point to compromised WordPress installations. This suggests the document is designed to act as a link farm, potentially leading users to phishing sites or further malware. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/160992789b5d78---95413239342.pdf
- https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160aab090ecd0b---37034828149.pdf
- http://amazingindiaphotos.com/amazingindiaphotos//upload/fckimage/file/sapojetowo.pdf
- http://sbox-technology.com/upload/datoteke/vifuparogipuna.pdf
- https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/3ec5f019892b1aa70da5b602bc5bd813/xafuvifikekimelajewa.pdf
- http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d0518a6da9---doforozo.pdf
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607ae90b94797---nobumegupatulo.pdf
- https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609469ade0a70---biduterepazomemituj.pdf
- https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/160c2635016e0d---geninawotoxirovagodo.pdf
- https://uniontend.com/userfiles/files/loraboludixadaxexajela.pdf
- http://bebelino.ru/userfiles/file/5007105099.pdf
- http://netinflux.net/userfiles/file/garimupoxek.pdf
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bbd223a962a---14997216411.pdf
- https://basisnomor.com/contents//files/23917495505.pdf
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b66b54aa0ab---37401759391.pdf
- https://cor.org.ar/wp-content/plugins/super-forms/uploads/php/files/2dnkvloomng08vqka7sgue588f/letubejoposawuxojawutuja.pdf
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/160773c960cf1e---judomijidawizumosabip.pdf
- http://asianaccounting.com/admin/fckeditor/userfiles/file/karoz.pdf
- http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079292925d98---powasa.pdf
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e46441352e---89787029599.pdf
- https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/956f446446363e71081fe61c4c174439/39002391591.pdf
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/5df868e63be85471144bc086c9d64366/2965002483.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=words+that+start+with+the+letter+c+for+kindergarten
- https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/a4cce7031c27b7c54c415cf8ff4d5b51/potid.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010ab1.bina2667a002d74c82e89040bfd60eb3ddbb08a20992f996ab1eeed66a6fee07f3e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AB1 | 10924 bytes |
font_01_sfnt_off000123cb.bin2d69de485bd63bf855aeed5af36613443c95c804dd97ef1069c55f9d1ab11df8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123CB | 17324 bytes |
font_02_sfnt_off000150c9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x150C9 | 16792 bytes |
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