MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged by a machine learning classifier and ClamAV as malicious. It contains a 'clipboard command execution lure', instructing the user to copy and paste content into a shell, which is a common technique for downloading and executing secondary payloads. Several URLs pointing to compromised CMS uploads and disposable hosting were extracted, suggesting a link farm used for distributing malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/344dd440c379a7db616380fb385670d6/3758672311.pdf In PDF document text
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1607e653011ffa---wudewaxenedepuvita.pdfIn PDF document text
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c8ecc9471b4---pivefurasimijosake.pdfIn PDF document text
- http://anhuishangbiao.com/upload_fck/file/2021-6-6/20210606154612810874.pdfIn PDF document text
- http://cephedanismani.com/images/pages/file/galapugajev.pdfIn PDF document text
- https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/8lf7dnis23o79o9q83ib2lpn41/mukemozezosesi.pdfIn PDF document text
- https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/bc90870a336712a2642871b26ee7e283/81698318593.pdfIn PDF document text
- http://ohsongpharm.com/ckfinder/userfiles/files/mapuj.pdfIn PDF document text
- https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c3dff9591f0---biwapuleluzimufir.pdfIn PDF document text
- https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/73eb9cf741f031722e9e09c4a75501b6/fiduliziporinavinexidok.pdfIn PDF document text
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/5572c33daae60f703eb60ece14fa2e5e/73420115957.pdfIn PDF document text
- http://aaaexpressheating.com/userfiles/file/11119758713.pdfIn PDF document text
- http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160ac1973d90bd---kutugomemato.pdfIn PDF document text
- http://lightningriskassessment.com/ci/userfiles/files/6218925177.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=ubuntu+pdf+diffPDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f702.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF702 | 4652 bytes |
SHA-256: 63da85f3f4653e1267fc48e79c7f0ff859372143c0a8fb6b5d8d26b4a95edc2f |
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font_01_sfnt_off000106ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106EE | 16528 bytes |
SHA-256: 02b53ecbf0c5e5e64a072b023bbe0aa17b4b199a968fd24fb894ef6b6e2b1ca9 |
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