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 contains numerous embedded URLs, many pointing to compromised or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically highlights this behavior.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://laptopplus.be/app/webroot/files/userfiles/files/bidexapamarujejupa.pdf
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16141bc175fe85---vepogexekewawoteze.pdf
- https://producedepot.us/userfiles/files/49164136184.pdf
- http://gzlmjx.com/data/home/bxu2343160066/htdocs/uploadfile/files/jadezazidomu.pdf
- https://laps.pl/userfiles/file/49299433050.pdf
- https://safecampus.in/cmsCart/upload/file/dunifusisavomo.pdf
- https://tp-pos.com/uploads/image/files/rejosej.pdf
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614635768fd48---2381199716.pdf
- https://nakipoglugroup.com/upload/ckfinder/files/dubavejogolukovuru.pdf
- http://spielundlicht.de/content_provider/documents/files/geparupojavubab.pdf
- https://sapthagireesyathra.com/userfiles/file/11635938563.pdf
- http://kccmaul.com/files/files/figigowu.pdf
- http://yizhu580.com/ckfinder/userfiles/files/nububoton.pdf
- https://lazdynumokykla.lt/userfiles/file/29435305916.pdf
- http://krajinar.cz/soubory/files/mazex.pdf
- http://bebelino.ru/userfiles/file/107514735.pdf
- https://gosselindesign.com/images/from_fckeditor/fichiers/61331376640.pdf
- http://onlinetradeshow.ir/uploads/files/66958662042.pdf
- http://tunesistudio.eu/userfiles/files/24555873061.pdf
- http://erfansari.ir/ckeditor/files/files/xareketaxe.pdf
- http://silver1979.com/upload/file/75665595287.pdf
- http://i-tos.com/userData/board/file/66001483860.pdf
- https://ssekolkata.com/ckfinder/userfiles/files/96675705337.pdf
- http://blfimmobiliare.com/userfiles/files/87573590441.pdf
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134c0edf3553---8290356263.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=co+oznacza+android+w+telefonie
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e197.bin677073f50c82f0f59ffad7075b90fd61f7521602f2b719885220d943702214f8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE197 | 18276 bytes |
font_01_sfnt_off00010fac.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FAC | 16792 bytes |
font_02_sfnt_off000127c3.bin1c3745780304d3704f2db06bc61d40913af601dfb0d8d8360cc735e6ca33e6fb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127C3 | 10480 bytes |
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