MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristic analysis revealed it functions as a link farm, with multiple URLs pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The presence of numerous unknown URLs further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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 http://go-trec.com/wp-content/plugins/super-forms/uploads/php/files/p0l8c8qnnc7uouqm1q9i6qrla7/mobulexetukonedubun.pdf In PDF document text
- http://xn--80aagkbrca3apkgkee0a1bi.xn--p1ai/ckfinder/userfiles/files/fovidinusamuxazim.pdfIn PDF document text
- https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/4bb30a27ceef5cdf2fea2d016d0bfbab/81926556387.pdfIn PDF document text
- http://njuhome.pl/ckfinder/userfiles/files/vivowurosuviza.pdfIn PDF document text
- https://coolingrealestate.com/your-home-cleaner/FCKuploads/file/26990336573.pdfIn PDF document text
- https://sharmtocairo.com/userfiles/files/82566031937.pdfIn PDF document text
- http://99hospitalitygroup.com/ckfinder/userfiles/files/vafefomurete.pdfIn PDF document text
- http://vtdsbinhthuan.vn/public/uploads/userfiles/file/tukodivamipaf.pdfIn PDF document text
- https://www.jancsoalapitvany.hu/ckfinder/userfiles/files/bulep.pdfIn PDF document text
- https://matricula.arendic.cl/files/86763136577.pdfIn PDF document text
- http://pierrevillers.fr/mairie_files/file/kuzuzajisomisowosupigiju.pdfIn PDF document text
- http://www.vikingmaterials.com/img/kukila.pdfIn PDF document text
- http://www.serge-valentin.net/ckfinder/userfiles/files/20982039671.pdfIn PDF document text
- http://sushimura1.com/uploads/files/77078822235.pdfIn PDF document text
- http://federicozucchettiarchitetto.eu/userfiles/files/kerinonuxaguseremada.pdfIn PDF document text
- http://lizhechem.com/upload/files/diwotoxekubixoli.pdfIn PDF document text
- http://kamennykoberec.eu/editor_uploads/system/files/lazuputarosaniruvavununu.pdfIn PDF document text
- https://raovat72.vn/uploads/news_file/xibegowobibobonise.pdfIn PDF document text
- http://pelejas.com/IMAGENS/CKFINDER/files/lorigibijebajinimared.pdfIn PDF document text
- https://nbc.com.vn/ckfinder/userfiles/files/21345060462.pdfIn PDF document text
- http://mcenterdk.ru/fck_editor_files/files/givujitezegofiwekone.pdfIn PDF document text
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16137642d8f3f2---50590409281.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=file+manager+apk+for+pcPDF 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_off0000bdd5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBDD5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d5ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5EC | 10628 bytes |
SHA-256: 83ab5187569dddf62239349be961f1d94ad96689d191cee90d39093e8c1e7018 |
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font_02_sfnt_off0000ee1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE1A | 17456 bytes |
SHA-256: 0ae29e279712f471f4e8d2c416c546a375cacc55fd01c768599ccd91b720f9aa |
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