MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is a PDF containing numerous embedded URLs, many of which point to compromised WordPress sites. Heuristics indicate a link farm on disposable hosting, suggesting a phishing or malware distribution lure. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or trojan delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
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://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/8dtt11cohs4s7f3s156pe9dvl2/dagutexik.pdf
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614102fa30e00---tuvinuruxofejuz.pdf
- http://gwardiajuvenia.pl/zdjecia/fck/file/20417469284.pdf
- http://chapelguild.com/images/usr/zudis.pdf
- http://smepil.com/ckeditor/userfiles/files/24712776297.pdf
- https://myshalewell.com/userfiles/file/zumadak.pdf
- http://orderbestwings.com/uploads/files/18799545976.pdf
- http://gleb777.com/fck_upload/file/wutivafawazugavonaz.pdf
- http://dharmapuridiocese.com/svnprojects/DHD/Source/images/files/mupizubuwerawumozozo.pdf
- https://presstone.hu/userfiles/file/bavemo.pdf
- http://pelejas.com/IMAGENS/CKFINDER/files/46810615010.pdf
- http://vdi.vn/userfiles/file/bijapa.pdf
- http://losmarinoslanzarote.com/marinarubicon/admin/file/jonaponuvilafedipotodev.pdf
- http://sinostandards.net/upload/files/85376449260.pdf
- http://gpp300.fr/userfiles/file/dopugoropevaregusudedu.pdf
- https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/5313ad8621e5cce8876a52fdc7e1e8ca/7878089976.pdf
- https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/2c9045a28e6034ac7842e9b968623009/bakofiwa.pdf
- http://longbeach.ilovepokebar.com/uploads/files/kasofulegutat.pdf
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/16140e42384be8---jarugivupefu.pdf
- https://hotelite.in/userfiles/file/57554863192.pdf
- http://jawarakreasi.com/file/11934565664.pdf
- http://american-security-inc.com/assets/ckfinder/userfiles/files/newuxaba.pdf
- http://csc0311.com/userfiles/file/20210901183637_alo1ag.pdf
- https://almuhja.net/ckfinder/userfiles/files/lerijabaretigefodapezoz.pdf
- http://ride-on-earth.com/images/blog/file/fuvaku.pdf
- http://jtylek.pl/Upload/file/47812952290.pdf
- https://www.la-providence-ehpad.fr/ckfinder/userfiles/files/givusawuwugoxowenazegegem.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=analisis+transaccional+pdf
- 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_off0000dfb4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFB4 | 16792 bytes |
font_01_sfnt_off0000f7c6.bind2928bdedc6b0bf56033596dc60deb9c4c53e7a645e823a1ab8cea30edefd750 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7C6 | 18308 bytes |
font_02_sfnt_off000125fb.bin4b451301c90f4d934af5a0b22fc41de989c85028fd445f542da7e5c92423b08f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125FB | 10460 bytes |
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