MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate the document functions as a link farm, directing users to multiple external URLs, some hosted on compromised CMS uploads. The presence of numerous links on potentially disposable hosting further supports a malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://valifyrepapillon.com/clients/6/68/68e1c6a84db99a04c21676ff826d6e37/File/50011601351.pdf In PDF document text
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608512dc481dc---xonosifiw.pdfIn PDF document text
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/7cda6d004cbc71e2252bb07a709fba94/nosije.pdfIn PDF document text
- https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/faa6be54fee6e63dc601c2353d420ac0/40654921092.pdfIn PDF document text
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160984281c3f38---70586066407.pdfIn PDF document text
- http://dailymaytrogiang.com/userfiles/files/tezudenumubakabugasixin.pdfIn PDF document text
- https://pasifikendustriyel.com/userfiles/file/menadoditobukigifewe.pdfIn PDF document text
- http://beauty214.com/uploads/files/202109060924139144.pdfIn PDF document text
- http://billsky.ee/files/file/23029798989.pdfIn PDF document text
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/cf10f90925856bfbc625509984e5c79b/gexisigafododoxig.pdfIn PDF document text
- http://maytinhtuyenquang.com/home/maytinhtuy/domains/maytinhtuyenquang.com/public_html/images/file/58415578656.pdfIn PDF document text
- https://nasroglobal.com/userfiles/file/vebetexadisexax.pdfIn PDF document text
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/ddef6ab38de058485bba1cc0ebd1222f/bogogumikiwanalalavomiso.pdfIn PDF document text
- https://armagedonspedycja.pl/files/file/gubilugezododezon.pdfIn PDF document text
- http://premiumcsp.com/uploads/files/86053606011.pdfIn PDF document text
- http://buzmakov-ua.ru/admin/ckfinder/userfiles/files/nufasidedazegolep.pdfIn PDF document text
- http://staropolski.net/Upload/file/bobaporafipepakodok.pdfIn PDF document text
- https://novzelandiya.ru/ckfinder/userfiles/files/59942625712.pdfIn PDF document text
- http://yung-shun.com/userfiles/file/bemudojonelo.pdfIn PDF document text
- https://www.vedaaz.com/wp-content/plugins/super-forms/uploads/php/files/de40a036ddf52230009ef7c8cbaba958/71722607179.pdfIn PDF document text
- http://www.aqsclimited.com/EditorImages/file/58347982188.pdfIn PDF document text
- https://ambientltg.com/wp-content/plugins/super-forms/uploads/php/files/fd4ce82aa6860ae6bab055e564abe55f/davoniwojeboluwa.pdfIn PDF document text
- http://duythuc-bearing.vn/uploads/userfiles/file/dezogitojeluw.pdfIn PDF document text
- https://winpoasia.com/ckfinder/userfiles/files/11879087816.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=my+way+piano+sheet+pdf+freePDF 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_off0000cc15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC15 | 10740 bytes |
SHA-256: a0f998e8fe8317b51ebdf7b2b7b4b24fb3a65053724f28ae9e828007a27d8a0f |
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font_01_sfnt_off0000e4ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4CE | 17348 bytes |
SHA-256: a4decbf83d01e3d71d90a3ecf16e35b0a7eecee03fb52c4a3471e87464195348 |
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font_02_sfnt_off00011166.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11166 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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