MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1059 Command and Scripting Interpreter
T1566.001 Spearphishing Attachment
The PDF contains a lure that instructs the user to copy and paste content into a shell, indicating an attempt to trick the user into executing commands. This behavior, combined with the ML classifier and ClamAV detection, strongly suggests a malicious intent to download and execute a secondary payload. The numerous embedded URLs point to a link farm strategy, likely for obfuscation or to host the next stage.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
Heuristics 7
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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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Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LUREDocument tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
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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://vozilasavozacem.rs/files/6355589118.pdf In PDF document text
- http://szao-spb.ru/images/news/file/dedakugavudebevozekuzogux.pdfIn PDF document text
- http://erex.hu/upload/file/12082442869.pdfIn PDF document text
- https://nisahanpin.com/calisma2/files/uploads/24450583737.pdfIn PDF document text
- http://nattukoottam.com/userfiles/file/52103910885.pdfIn PDF document text
- https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/678179c88e34ef88567510a5eece514e/33476789571.pdfIn PDF document text
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/8e616fb43540af2917eebaf69d4eeeae/divivoxijebula.pdfIn PDF document text
- https://hygradeinsulators.com/images/uploads/file/82283430548.pdfIn PDF document text
- http://studiochiodo.eu/userfiles/files/46513702402.pdfIn PDF document text
- http://we2meeting.com/ckfinder/userfiles/publics/files/sedalitagimenofidopujogi.pdfIn PDF document text
- https://fotokeramika.bg/userfiles/file/32514382426.pdfIn PDF document text
- http://xn----7sbbgprpk7biiq.xn--p1ai/admin/ckfinder/userfiles/files/12181231013.pdfIn PDF document text
- https://fnb-concepts.com/images/uploads/files/loxujap.pdfIn PDF document text
- http://fipjp.com/userfiles/file/9924081671.pdfIn PDF document text
- https://cryptoshift.be/anaeter_capital/siteadmin/userfiles/files/rotapakipiwafipa.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/1612f6de722c20---11636556591.pdfIn PDF document text
- http://glavis.biz/userfiles/file/winilufisufapunemep.pdfIn PDF document text
- http://31kouqiang.com/userfiles/file/1631161354.pdfIn PDF document text
- http://svarovani-tig.cz/userfiles/file/95391673500.pdfIn PDF document text
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bc4245289d---vitiwefidojitozovefa.pdfIn PDF document text
- https://dobski.pl/userfiles/file/44835286234.pdfIn PDF document text
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/161329d6d60e0e---64813123156.pdfIn PDF document text
- http://risorsaterra.it/userfiles/files/lofuxudijesana.pdfIn PDF document text
- http://ambulatorioveterinarioilprato.eu/userfiles/files/gepod.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/161366f18c07e5---21281929043.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=raspberry+pi+4+model+b+android+tvPDF 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_off0000d74f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD74F | 17996 bytes |
SHA-256: ccf75f0443d0471ee05cf0d172c119a0b7832bc35cb22e362f755fbc2570e235 |
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font_01_sfnt_off0001057b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1057B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011d92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D92 | 10996 bytes |
SHA-256: 431ea2a23274fa831303c28716d413bc15d1a8cb94f6497f69a1111e32603d9c |
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