MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to multiple compromised CMS upload directories, a common tactic for hosting malicious files. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of numerous links to PDFs on potentially compromised sites suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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 https://brihat-group.com/assets/userfiles/files/fekubowimetorogedomul.pdf In PDF document text
- https://kfk-dekoration.dk/images/uploadedimages/file/19533924828.pdfIn PDF document text
- https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/18e81061ca0efe0a24a330e388242fb3/zazaja.pdfIn PDF document text
- https://davidfoleyinc.com/userfiles/file/wegurovajusine.pdfIn PDF document text
- http://ctkupavna.ru/upload/file/pateguzibepiwobizaza.pdfIn PDF document text
- http://cofetariafraguta.ro/UserFiles/file/78725677671.pdfIn PDF document text
- http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/1614558607e010---80360146294.pdfIn PDF document text
- https://fiscconsulting.com/userfiles/file/17103869220.pdfIn PDF document text
- http://agarimo.com/archivos/archivos/88625899216.pdfIn PDF document text
- https://inprovitecuador.com/ckfinder/userfiles/files/17930071121.pdfIn PDF document text
- https://hssanesteban.cl/files/lilovusagoxizifovopotuke.pdfIn PDF document text
- http://stellar-toys.com/ckfinder/userfiles/files/64373630261.pdfIn PDF document text
- http://arcstema.com/userfiles/files/balofodatipad.pdfIn PDF document text
- http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/0ce4602cb4f38f2194435ed07595f429/futupexak.pdfIn PDF document text
- http://aa-nusd.jp/2599390486.pdfIn PDF document text
- http://sofia-es.tokyo/yamituki-n/uploads/files/31414861963.pdfIn PDF document text
- https://hunghiephuylog.com/upload/files/velowobada.pdfIn PDF document text
- https://hippodrome-compiegne.fr/www/uploads/file/2741243243.pdfIn PDF document text
- https://alsultantrading.ae/userfiles/files/gisorugepurasom.pdfIn PDF document text
- http://intproplaw.com/admin/uploads/file/tofilizovapebaj.pdfIn PDF document text
- http://bafiti.com/sklep/userfiles/file/56494458496.pdfIn PDF document text
- https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/161355ecbf2cb0---tanabevum.pdfIn PDF document text
- https://acp-luxusingatlanok.hu/ckfinder/userfiles/files/77828645247.pdfIn PDF document text
- http://kleinschadenexperte.de/userfiles/file/fobifunilesola.pdfIn PDF document text
- http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613bf11341279---994030380.pdfIn PDF document text
- https://kaxtongroup.com/home5/maxconne/public_html/kaxtongroup/assets/images/newspostimages/files/miwope.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=yung+bratz+roblox+idPDF 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_off0000c151.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC151 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d963.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD963 | 19760 bytes |
SHA-256: 23123120c62a4c7b72c2bb30f2474a94e70e4f8bd738ffb4f0e19c0ede7bd5d2 |
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font_02_sfnt_off00010cd1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CD1 | 10508 bytes |
SHA-256: 84e819a54c42388b2f709b05ee34e168ded3d1139e9914d31345b096b060e492 |
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