MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs that form a link farm, a common tactic for phishing or distributing malware. Heuristics indicate these links point to compromised CMS uploads and disposable hosting, suggesting a malicious intent to obscure the true destination. The ML classifier and ClamAV detection strongly support the malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
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://jlgardner.org/home/jlg/public_html/ckfinder/userfiles/files/29773666212.pdf In PDF document text
- https://sambelteri.com/contents/files/58605453376.pdfIn PDF document text
- http://wxhsbl.com/ckfinder/userfiles/files/20210911_185551.pdfIn PDF document text
- http://ipayon.com/root/FCKeditor/file/34001442191.pdfIn PDF document text
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/4c5d452a958a31bf1ae6716de59bad58/jafikupimowo.pdfIn PDF document text
- http://viprealestatebrokers.com/userfiles/files/61457123260.pdfIn PDF document text
- http://mosjob.ru/images/file/dosekopidobadedenuxipuwav.pdfIn PDF document text
- http://mail.me.ntou.edu.tw/ckfinder/userfiles/files/20210916_180145.pdfIn PDF document text
- https://cleanenergy.mn/uploads/files/senudipezofusinise.pdfIn PDF document text
- http://nct-vn.com/userfiles/file/zigujimubotunosu.pdfIn PDF document text
- https://ibexquimica.com.br/ckfinder/userfiles/files/19112792193.pdfIn PDF document text
- http://2safe4u.cz/UserFiles/File/dulagalusejaverufadike.pdfIn PDF document text
- https://tradingphrases.net/userfiles/files/17274483143.pdfIn PDF document text
- http://sochi-riba.ru/ckfinder/userfiles/files/5729236123.pdfIn PDF document text
- http://ambvetbrashersclavoghisu.eu/userfiles/files/zeluji.pdfIn PDF document text
- http://cs-golfclub.com/ckupload/files/33935933747.pdfIn PDF document text
- http://villahetzwartepaard.nl/survey/userfiles/files/zewovozidiza.pdfIn PDF document text
- https://biroestarsa.hu/uploads/file/numuteregexomazar.pdfIn PDF document text
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/16145072f06ae1---jonetonisewoverawiguwevu.pdfIn PDF document text
- https://bikeid.net/ckfinder/userfiles/files/33039461157.pdfIn PDF document text
- http://gzcil.com/uploadfile/files/sitavisinitamawupeselokum.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/604bc9f0eb30df857089e72a92b21d6e/88790621777.pdfIn PDF document text
- https://ewdel.cz/ckfinder/userfiles/files/baxefalur.pdfIn PDF document text
- http://igs.compcierge-asia.com/ckfinder/userfiles/files/modowukes.pdfIn PDF document text
- https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/n8d1v3f756jdgi319vjeoigd6r/sobepewawoboraxad.pdfIn PDF document text
- https://educhina.mn/editor/files/revofiraxok.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=do+i+have+to+play+nioh+1+before+nioh+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_off0000ba7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA7F | 15212 bytes |
SHA-256: 3888e582c9e3c919739c6ca2d3401c97390f416240f4faf72451a17eba9b9637 |
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font_01_sfnt_off0000e0ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0FF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f916.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF916 | 10780 bytes |
SHA-256: 93dfb1d70f1a3cfa1f7a75bf177897b402e8ca6ac38269342f9d4bf58051f54a |
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