MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded URLs, many of which point to compromised WordPress upload directories or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://vinhthuan.vn/upload/files/72720234360.pdf In PDF document text
- http://heydarbaba.org/resimler/files/52058436063.pdfIn PDF document text
- https://fallsplat.se/file/tubuwanepon.pdfIn PDF document text
- https://childconcern.in/trila/userfiles/file/rotavulubos.pdfIn PDF document text
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fb2ed26815e---7642692476.pdfIn PDF document text
- http://filippodelvita.com/demo/userfiles/file/loditijum.pdfIn PDF document text
- https://zohopinler.com/calisma2/files/uploads/gasukuk.pdfIn PDF document text
- https://bushregenerators.com/userfiles/files/61978110183.pdfIn PDF document text
- https://hotararicedo.ro/files/files/11405945615.pdfIn PDF document text
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160745cec320fe---wefefe.pdfIn PDF document text
- https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607e9c32940ba---4270706986.pdfIn PDF document text
- http://freetourscadiz.com/ckfinder/userfiles/files/27596832191.pdfIn PDF document text
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613113d1a2b7c---79133144895.pdfIn PDF document text
- https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/07c8cfd2fb8a85b8133014574bfba059/8159319039.pdfIn PDF document text
- http://www.yoko-ono.be/images/userfiles/file/66473132757.pdfIn PDF document text
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/vc1cb4mhid29gn8b6i9om9pjjt/xukejarulupulefuza.pdfIn PDF document text
- http://divorce-difficile.fr/userfiles/file/zaxumejanuri.pdfIn PDF document text
- https://sealordhotels.com/ckfinder/userfiles/files/47267180130.pdfIn PDF document text
- http://fairbank-ia.org/admin/ckfinder/userfiles/files/47437318042.pdfIn PDF document text
- http://greenbrier101.com/userimages/solala.pdfIn PDF document text
- http://tsrmvolontari.it/userfiles/files/9197234492.pdfIn PDF document text
- http://classicalgardenstatues.com/uplds/file/97462615644.pdfIn PDF document text
- https://nutstudio.it/userfiles/file/24613451637.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=cursive+alphabet+printable+worksheetPDF 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_off0000b368.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB368 | 10864 bytes |
SHA-256: f1d60818834deb37d3d2b06c0ddf09e7ab48dba1ce86229a5701cdb29e2a7637 |
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font_01_sfnt_off0000cc52.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC52 | 15856 bytes |
SHA-256: 5fb9d98dd2366fbca78ee9332d00efc3decb80a26a378153abd629f11f8ca4d8 |
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font_02_sfnt_off0000f477.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF477 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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