MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. 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 redirect users to malicious content. The presence of embedded URLs and the overall structure point towards an attempt to exploit users through deceptive links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://avvocato-callegaro.it/public/file/34999845735.pdf In PDF document text
- http://benardoutlite.com/admin/fckeditor/fckdata/file/vobiwujomarixemorede.pdfIn PDF document text
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/161410ee69219f---bowegewolo.pdfIn PDF document text
- https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/5s7vfs97k0qf1ha089gi47pfg9/fibukimererakenaniri.pdfIn PDF document text
- http://trumoi-khutrung.com/upload/files/residutujemegomidevaxa.pdfIn PDF document text
- http://ktai.lmg.jp/upload/file/golod.pdfIn PDF document text
- https://rimi.sk/userfiles/file/sopujapuw.pdfIn PDF document text
- http://dmhu.eu/uploads/uplib/file/bololuzojegawuwulola.pdfIn PDF document text
- https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/tmp/95544276084.pdfIn PDF document text
- https://guclupin.com/calisma2/files/uploads/39679935889.pdfIn PDF document text
- http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16141f261892dd---54555532813.pdfIn PDF document text
- https://hidropomp2008.com/uploads/userfiles/file/26874861990.pdfIn PDF document text
- http://noospc.ru/SITE/files/editor/file/917250183.pdfIn PDF document text
- http://hotelborgodeipoeti.com/userfiles/files/jijexezajatosufure.pdfIn PDF document text
- http://apicn.net/upload/files/talolinorasex.pdfIn PDF document text
- http://everintelconsulting.com/upload/file/202109161223191297.pdfIn PDF document text
- http://vitalchurchesinstitute.com/files/file/lojeti.pdfIn PDF document text
- http://www.cerathai.com/image/upload/File/gugatikaxetu.pdfIn PDF document text
- https://altaamir.ipixpms.com/Rapport/public/assets/ckfinder/userfiles/files/lubefezo.pdfIn PDF document text
- http://vlaamspatientenplatform.be/_plugin/ckfinder/userfiles/files/posabelesegosovatawujo.pdfIn PDF document text
- http://lt101shop.com/userfiles/files/rukotagamevomel.pdfIn PDF document text
- http://ingmarcofaedi.com/userfiles/files/vesinogil.pdfIn PDF document text
- https://abyway.lv/images/ck_images/files/94682722850.pdfIn PDF document text
- https://mujeresenmovimientoplus.com/userfiles/file/26622872967.pdfIn PDF document text
- https://briljant-maleri.se/UserFiles/files/70518426933.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=hello+neighbor+apk+android+2020PDF 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_off0000df8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF8E | 10872 bytes |
SHA-256: c9a86dc680ca13b7d945cb342a49ecf6331354ff9745ce00614d85433a9db79b |
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font_01_sfnt_off0000f80d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF80D | 18008 bytes |
SHA-256: 0015b5a25134e2126f8c32d1f1d6c9a760616d68622325d36e6bf3826596c620 |
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font_02_sfnt_off00012632.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12632 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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