MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://hungthanhauto.com/luutru/files/69457701458.pdf In PDF document text
- https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160ba83d412cfa---bekoxusope.pdfIn PDF document text
- http://simonide.org/userfiles/file/62349044709.pdfIn PDF document text
- https://aathichudi.org/userfiles/file/tifovamazozovozutepamop.pdfIn PDF document text
- https://usssecuritate.ro/userfiles/file/bexonumubuketurovurexamuj.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/1ebaa117e8e6408e87cbf7b51c50bed7/21393897628.pdfIn PDF document text
- https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/9f5d294813d9c49d08ab03189f34f193/lizenetesapexig.pdfIn PDF document text
- https://evenimentecastel.ro/wp-content/plugins/super-forms/uploads/php/files/r9ukgnpj7dbcgp20r59d366o4c/kepivumozamu.pdfIn PDF document text
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/160be62b36236b---fomigogi.pdfIn PDF document text
- http://ngnjl.com/userfiles/files/45702663499.pdfIn PDF document text
- https://binarbaidservices.com/public_html/userfiles/file/xitorapuxifanij.pdfIn PDF document text
- https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/5f6395c292e8b6e62858b82deea0381a/32062601650.pdfIn PDF document text
- http://bogelaipigeon.com/upload/file/gefofakixozasemulukata.pdfIn PDF document text
- https://perfecthospitals.com/ckfinder/userfiles/files/69764117925.pdfIn PDF document text
- https://www.andrecampbell.ca/wp-content/plugins/super-forms/uploads/php/files/b508e868bee5d0f0145b5b0593ee1ded/lobajevufesi.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606f82f775a2e---75520641492.pdfIn PDF document text
- http://imosa.asia/uploads/files/202108260306391523.pdfIn PDF document text
- https://nadamasristorante.it/file/55423362632.pdfIn PDF document text
- https://kingcarmotorista.net/uploads/files/43961400395.pdfIn PDF document text
- http://marinda.ru/pics/images/file/44457930149.pdfIn PDF document text
- https://audit-advisers.com/userfiles/file/vamofa.pdfIn PDF document text
- http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/61345117840.pdfIn PDF document text
- http://www.klpreschool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce1d71f5d4---88915967384.pdfIn PDF document text
- https://cutandcolorparrucchieri.it/file/35601890560.pdfIn PDF document text
- https://danielstrehlau.com/userfiles/file/49257065454.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=cbse+class+12+accountancy+question+paper+with+solutions+pdfPDF 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_off0000da0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA0B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f222.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF222 | 11508 bytes |
SHA-256: a04a531907a5fec1e0175e56510e522b5993ee0790ae8442b7e17eb1e3f707e5 |
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font_02_sfnt_off00010d17.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D17 | 17624 bytes |
SHA-256: f0514798333308e8034c75619e0cb644e140cc2b4247a90bb45bd1f902c24af8 |
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