MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple external URLs, some hosted on compromised CMS uploads. The presence of numerous links, including one pointing to a compromised WordPress upload, suggests an attempt to distribute malicious content or conduct phishing operations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://ktmcollege.org/public_html/userfiles/file/pexetura.pdf In PDF document text
- http://tidomusica.com/uploads/files/202109172056244451.pdfIn PDF document text
- http://paolacaone.eu/userfiles/files/47064964072.pdfIn PDF document text
- http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/wenigigubika.pdfIn PDF document text
- https://gdaniec.com/upload/files/80059960776.pdfIn PDF document text
- http://hz-kontejnery.cz/ckfinder/userfiles/files/vafapuzazunimulegura.pdfIn PDF document text
- http://lovesenergy.nl/file/10613383884.pdfIn PDF document text
- https://detectiveoffice.net/userfiles/file/62273445018.pdfIn PDF document text
- http://cu-hinothai.com/ckfinder/userfiles/files/65918464477.pdfIn PDF document text
- http://voszveszprem.hu/_user/file/72114376909.pdfIn PDF document text
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/161324af8dc6e0---nikiremakekufedazeje.pdfIn PDF document text
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/1614e1e2096763---64138874641.pdfIn PDF document text
- https://ctners.com/ckfinder/userfiles/files/18141692261.pdfIn PDF document text
- https://go2germany.ru/files/file/72653161410.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/161413a36c5c48---45720841026.pdfIn PDF document text
- http://essiac.cz/UserFiles/file/xezexonijumutod.pdfIn PDF document text
- http://amicalelaique-guyancourt.fr/ckfinder/userfiles/files/44603470870.pdfIn PDF document text
- http://stimatacasa.eu/userfiles/files/79163814464.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614f92256b465---12962263651.pdfIn PDF document text
- http://cdwy028.com/uploadfile/file/20210913144654.pdfIn PDF document text
- http://webinaris.training/ckfinder/userfiles/publics/files/76427658767.pdfIn PDF document text
- http://thucphamchucnangmy.vn/uploads/files/gufit.pdfIn PDF document text
- http://izumrud38.com/ckfinder/userfiles/files/11130864523.pdfIn PDF document text
- http://termosystem.pl/userfiles/file/viwewufipadu.pdfIn PDF document text
- https://seikai.jp/free_images/files/30606975321.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=marvel+spider+man+ps4+android+downloadPDF 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_off0000b036.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB036 | 14904 bytes |
SHA-256: 7ec734e99306b7a381d1d3afaca0272682c918ba6b737b8e5d70ed83dc90406c |
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font_01_sfnt_off0000d5cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5CF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ede6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDE6 | 10676 bytes |
SHA-256: 16b858e45673ed3feac0e3597439092f63ac0811527f7b1fd8ae7b6315249011 |
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