MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to domains that appear to be disposable or compromised, suggesting a link farm designed to redirect users to malicious sites. The presence of multiple external URIs and link farm heuristics indicates an attempt to lure users to external resources.
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://vetranhtuong.info/luutru/files/bovuvagirofiwifikikuzigi.pdf In PDF document text
- http://crm333.com/documentos/file/ziwigewujovuxeta.pdfIn PDF document text
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a665ac7349f---vuzugorodofuvefoxola.pdfIn PDF document text
- https://digireg.dk/upload/zusobofimowotofenoveragi.pdfIn PDF document text
- https://acryl-bg.com/userfiles/file/65207605804.pdfIn PDF document text
- https://xn----9sbccjdbca7cyaieg1a3j.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a734edc38c1b788a72352c5176e33c35/3650247416.pdfIn PDF document text
- http://vizesblokk.hu/files/file/zubotufanuxawagagisaja.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606f16d3dc511---2526693361.pdfIn PDF document text
- https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a2f7979f5e8---9757019234.pdfIn PDF document text
- https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/a7de6957e3cc3cdd31cf203d3e85396c/61917392023.pdfIn PDF document text
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/gl3115vra92ickpcui3htd2md3/48943189774.pdfIn PDF document text
- http://www.findvoters.com/userfiles/file/koditer.pdfIn PDF document text
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/jig423u2jo1b3bcoc78kq6vh7o/tapozatuwosirori.pdfIn PDF document text
- http://chithanhplastics.com/uploads/userfiles/file/98778028179.pdfIn PDF document text
- https://chezgregoire.fr/userfiles/vewabiza.pdfIn PDF document text
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a427056a0fb---47381277604.pdfIn PDF document text
- http://zae.me/datafiles/file/lejaxuzokavo.pdfIn PDF document text
- http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a726f7483de---37694514060.pdfIn PDF document text
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ba78806b9f6---siwelulutokegezepot.pdfIn PDF document text
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/3qikh5if9hep1a1um2tmb7j3vt/74126647389.pdfIn PDF document text
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160824d216c740---69009068493.pdfIn PDF document text
- http://livestreaming.group/wp-content/plugins/super-forms/uploads/php/files/17e7e5k89hag22pa6u44d0hm92j0qgt6/debip.pdfIn PDF document text
- http://nadiadsa.org/userfiles/file/44528280031.pdfIn PDF document text
- https://warungmimpishio.com/contents//files/19433467487.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=meaning+of+crush+in+lovePDF 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_off0000ffe2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFE2 | 10676 bytes |
SHA-256: e79f30d0a3fbc3808677c281a759069d203acf0fb2f28fd072117c649e41a080 |
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font_01_sfnt_off00011845.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11845 | 19168 bytes |
SHA-256: e8f93cff2b08a1e311dea743cf396d6a1ea5c7ab4cd5c18e5cb37973ade1a485 |
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font_02_sfnt_off00014a55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14A55 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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