MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to compromised websites, indicated by heuristics like 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM'. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the presence of external URIs and the nature of the heuristics point towards a phishing or malware distribution lure, likely delivered via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://seanmore.com/userData/board/file/75865435501.pdf In PDF document text
- http://naphogacomposite.com/upload/files/54643122081.pdfIn PDF document text
- http://gensugroup.com/upload/files/78458464438.pdfIn PDF document text
- http://solee56.com/ckfinder/userfiles/files/dixaz.pdfIn PDF document text
- http://lamekatus.ee/uploads/ckeditor/files/81112135027.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/16139ef65c3fcc---2557179855.pdfIn PDF document text
- http://illinoislivestock.org/userfiles/file/78861240455.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/u4p2lngdr5gqqfd89rfbmr97t4/41122309202.pdfIn PDF document text
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613977805e51c---10797423857.pdfIn PDF document text
- http://www.gabrielamaciel.net/images/content/file/60771486048.pdfIn PDF document text
- http://exmar.it/foto_fck/file/38888475380.pdfIn PDF document text
- https://jamisonfurnace.ca/userfiles/files/wonutej.pdfIn PDF document text
- http://maiodi.com/userfiles/files/terujosolemamumiduposu.pdfIn PDF document text
- http://autoset66.ru/admin/ckfinder/userfiles/files/93258377575.pdfIn PDF document text
- http://morecoredesign.com/images/imageUps/files/numixaremapusejoz.pdfIn PDF document text
- http://rasmesafar.net/basefile/basefiles/dugalupeb.pdfIn PDF document text
- http://aeklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/metazeviwasubuwusavuweg.pdfIn PDF document text
- http://9y.bfage.com/upload/files/20210903094741.pdfIn PDF document text
- http://trans-serwis.com/userfiles/file/49155935433.pdfIn PDF document text
- http://chapelguild.com/images/usr/41358919138.pdfIn PDF document text
- https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/43ca4151e5858ad50807a11bc2a3ceee/jotupisewupuwikuxes.pdfIn PDF document text
- http://rem-stroymont.ru/img/file/zepodugu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=how+to+hide+apps+in+file+managerPDF 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_off0000cfcb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFCB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e7e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7E2 | 11020 bytes |
SHA-256: 5d6e7b1ef1614f3c9cc180d2a6c0cc0b9113dc8dc3a9b0572ac0fee4a4836049 |
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font_02_sfnt_off00010114.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10114 | 17444 bytes |
SHA-256: 5b468a7ef4ac0eefe061e79a363ae8d064de8e72137743a1cfaa80249df158a0 |
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