MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by a ML classifier and ClamAV, indicating a high likelihood of malicious intent. Several heuristics identified the PDF as a link farm, with many URLs pointing to compromised CMS uploads or disposable hosting. The document body was unreadable, but the presence of numerous external links suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://chowdhurytourism.com/ckfinder/userfiles/files/derekipotowemoribepevu.pdf In PDF document text
- http://mtcongnghiepxanh.com/upload/fckimagesfile/zawuram.pdfIn PDF document text
- https://qatarsecurityservices.com/public_html/userfiles/file/tugivekose.pdfIn PDF document text
- http://fujavietnam.com/images/Download/soruzujewap.pdfIn PDF document text
- http://chieucoingason.vn/files/37612825376.pdfIn PDF document text
- http://mai-colle.jp/userfiles/file/55009635634.pdfIn PDF document text
- http://tcsklife.com/filespath/files/20210905024838.pdfIn PDF document text
- http://langeline.com/ckeditor/upload/files/soximumivovumapiguvorur.pdfIn PDF document text
- http://mengnuanua.com/app/webroot/files/files/lepesakeb.pdfIn PDF document text
- https://roarmysecurity.ro/mm/file/28412041749.pdfIn PDF document text
- http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133b1d2543a5---34156724679.pdfIn PDF document text
- https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/77bf47afa0e5c52b1b26235e49e35edb/86154183948.pdfIn PDF document text
- http://americandeliorder.com/uploads/files/xumijitutolekob.pdfIn PDF document text
- http://luluscafeonline.com/uploads/files/16397434533.pdfIn PDF document text
- https://hohsingfiber.com/ufiles/files/fopidamipiz.pdfIn PDF document text
- http://hizirferforje.com/admin/fckeditor/editor/images/file/jokosapegerukifugireg.pdfIn PDF document text
- http://frickcontrols.com/uploads/files/32656459632.pdfIn PDF document text
- https://mimpiindahsatu.com/contents/files/20674722171.pdfIn PDF document text
- https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/vutikiban.pdfIn PDF document text
- https://fiberglasssupplydepot.com/userfiles/files/maxuwa.pdfIn PDF document text
- http://www.fan-consultants.com.tw/ezadmin/ckfinder/userfiles/files/59362565540.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=52+max+level+shadow+fight+2PDF 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_off0000be1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE1C | 11008 bytes |
SHA-256: a60dd146d2600daad9938afaa2c045e9d043713b4a140bd1dc2d1bc3aca49c66 |
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font_01_sfnt_off0000d7a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7A0 | 17396 bytes |
SHA-256: 5ca3354c4cd53aa56f6fd45cbb6e5bad10d15cabd393a332c92b99b0d3df66c7 |
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font_02_sfnt_off000104ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104EA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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