MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, containing numerous URLs pointing to various domains, some of which are hosted on compromised CMS platforms. The presence of 'utm_term' parameters suggests an attempt to leverage SEO for distribution. The document body is heavily obfuscated and does not provide direct user-facing content, reinforcing its role as a malicious loader.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://infoenergie-loire.org/userfiles/file/nuzoxomipalesopok.pdf In PDF document text
- http://insightonafrica.in/userfiles/file/pelepudivesutukudara.pdfIn PDF document text
- http://ok-poland.com/userfiles/file/55534414758.pdfIn PDF document text
- http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607398d4cb4c8---nivijejumudulo.pdfIn PDF document text
- https://www.jakketoes.be/ckfinder/userfiles/files/jumusutuliro.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba673de13ec---10732819960.pdfIn PDF document text
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083e153d7889---lasovusefel.pdfIn PDF document text
- http://www.melloecastro.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e20fa6b50e---57928455498.pdfIn PDF document text
- https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/239cb26c8b40cd5d8abb2ebbb7c3abfb/62900051272.pdfIn PDF document text
- https://clubslotalmatriche.com/calcas/file/89875075882.pdfIn PDF document text
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/fc56d814a63c3416cb029672a32307df/penezeraloreja.pdfIn PDF document text
- http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/55378723760ab65d5d13c1.pdfIn PDF document text
- https://smartstone.ca/userfiles/files/fawabozanubedo.pdfIn PDF document text
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f734ffad4b0---15378346507.pdfIn PDF document text
- http://dilimkebab.com/userfiles/file/boxedodajixewukevonul.pdfIn PDF document text
- http://www.chiringuitomediterraneo.com/ckfinder/userfiles/files/65853566295.pdfIn PDF document text
- http://vishwkarmaenterprises.com/webroot/img/userfiles/files/51953004958.pdfIn PDF document text
- https://mabuksusu.com/contents//files/43098575745.pdfIn PDF document text
- https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/fb135667e263dcd081e7120849c6467b/36156369679.pdfIn PDF document text
- http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a8a6302dc84---57464208288.pdfIn PDF document text
- http://ros-grad.ru/fck_editor_files/files/23209029926.pdfIn PDF document text
- http://sujitonweb.com/userfiles/files/59259626406.pdfIn PDF document text
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608983bcec184---81744297356.pdfIn PDF document text
- http://www.psoealora.es/ckfinder/userfiles/files/nugolekab.pdfIn PDF document text
- http://teamwork-poetschke.com/ckfinder/userfiles/files/67553937397.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=raymond+chang+chemistry+10th+edition+solution+manual+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_off0000ea23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA23 | 11500 bytes |
SHA-256: c4409d7533d9a99cfa33dc893d2d46ec2994094e5d0a57d061ca25c6aa38d429 |
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font_01_sfnt_off00010503.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10503 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011d15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D15 | 21512 bytes |
SHA-256: c9db594bfe3c66665af1ac75cab931f62c03cfea6dc735518fbaa661de3d8f78 |
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