MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links pointing to external websites, many of which are hosted on compromised WordPress sites or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall structure indicate an attempt to lure users into potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://pixomot.ru/uplcv?utm_term=acer+chromebook+14+cb3-431+user+manual
- https://banghenails.com/upload/file/kokowerikaleradevo.pdf
- http://tatnhapkhau.com/ckfinder/userfiles/files/gubakudima.pdf
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a05d68dddcc---gasukerubamopigox.pdf
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/2edc85879b0a7baa87345cdda34dd7b3/riferemifanuxitawugesexe.pdf
- http://ghalemdi.com/userfiles/file/17253017815.pdf
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a28698327a2---vofavipe.pdf
- http://jacsonsfurniture.com/userfiles/file/tutodurejonovujuvoxusak.pdf
- https://www.kasekimi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7d82111fe---foton.pdf
- http://ballstonfamilymedicine.com/clients/861402/File/62377253604.pdf
- http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16081cacef043e---tefisidofi.pdf
- http://kvarkeno56.ru/userfiles/file/35301364431.pdf
- https://deniz-sogutma.org/img/userfiles/file/lafobexuwoperolofidipo.pdf
- http://jonkmp.nl/img/cms/file/goxapivamipepimifid.pdf
- http://rlponder.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/60234369182.pdf
- http://birnagarcollege.in/userfiles/file/47818980372.pdf
- http://lemma-studio.pl/userfiles/file/guvaxotelolevera.pdf
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/a38641041f80b50583429601f71da26f/xujageti.pdf
- http://dermaktif.com/imgup/file/keminasuxabedaw.pdf
- http://rhondachem.com/d/files/gurokuxezuxinomubibufix.pdf
- http://kingsfinancialconsulting.com/userfiles/file/49015824848.pdf
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609037c30f5fb---wizaribunugelolij.pdf
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/0c2cd6e910b1243bb704b8a19589a91f/54061557480.pdf
- https://geneolock.com/locktactyuma/userfiles/file/fezux.pdf
- http://agiusfuneraldirectors.com/files/file/rinukapapizew.pdf
- http://peggylittlelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/17203258914.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_off0000ca93.bin45a971c371014a3592b61007981bba862e91529f806b4b283026ba0057e3b6cd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA93 | 18768 bytes |
font_01_sfnt_off0000fb82.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB82 | 16792 bytes |
font_02_sfnt_off00011399.bind26324c0ffc08f8cf47e9b192d13ad39b160f2cf0d322f5a70541479a0113c34 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11399 | 10956 bytes |
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