MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress upload directories and disposable hosting, suggesting it functions as a link farm to distribute further malicious content. The presence of these links and the overall structure strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b185e0361b---2873293452.pdf In PDF document text
- https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/e9f224e6f6f7a2f2b29dde4df48fb4f8/vedusupabofezitox.pdfIn PDF document text
- http://pandoraecza.com/genelresimler/file/vifenoditaminupitiw.pdfIn PDF document text
- http://gabinetortodontyczny.eu/userfiles/file/21271077007.pdfIn PDF document text
- http://expresskaliski.info/file/44143726388.pdfIn PDF document text
- http://ugrctrani.it/userfiles/files/30791210211.pdfIn PDF document text
- http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1613f9766757ba---43980295232.pdfIn PDF document text
- http://ykzn8.com/upfiles/editor/files/sovolositup.pdfIn PDF document text
- http://fuhua.tumujike.com/assets/upload/files/202109020943148539.pdfIn PDF document text
- http://ototavandosemesi.com/resimler/file/52313352806.pdfIn PDF document text
- http://seibyou-koujien.com/files/files/17111604052.pdfIn PDF document text
- http://zonweringbelgie.be/ckfinder/userfiles/files/5307280616.pdfIn PDF document text
- http://balalajka.nu/media/40888423348.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612eba0e24e41---92018755599.pdfIn PDF document text
- https://marblo.ph/app/webroot/img/files/93535331723.pdfIn PDF document text
- http://fd-health.com/upload/ckeditor/files/64524614178.pdfIn PDF document text
- https://beysukonaklari.com/ckfinder/userfiles/files/57979691127.pdfIn PDF document text
- https://firesystem.ro/imagini_ws/wetugumorolitikifev.pdfIn PDF document text
- http://e-district.org/userfiles/file/devuvetopanevafunawe.pdfIn PDF document text
- https://ctners.com/ckfinder/userfiles/files/93604094.pdfIn PDF document text
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f5425ae5cf---50404808320.pdfIn PDF document text
- https://siam-royal-view.ru/data/files/97466957800.pdfIn PDF document text
- https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/2e2f6eccfbd041e61347bf330c25114b/59127870445.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=redmi+note+9+pro+camera+functionPDF 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_off0000c68b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC68B | 18408 bytes |
SHA-256: 55fb07976d6f71273526efcab7967fbb0748f1e6ffaae6f97071dde967c45042 |
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font_01_sfnt_off0000f6ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6CE | 10880 bytes |
SHA-256: e71b88490a8877e34fb9180b344d551da6bddb05e4a018b359f9a1254049ed44 |
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font_02_sfnt_off00010ffc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FFC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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