MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous links to compromised WordPress upload directories, suggesting it functions as a link farm or a distribution point for further malicious content. The presence of embedded URLs and the overall structure point towards a phishing or malware delivery scheme, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078a63fdfc7b---babuto.pdf In PDF document text
- https://www.escon.it/wp-content/plugins/super-forms/uploads/php/files/c35e524929e3b391d0d91cdfec637fc7/lujibip.pdfIn PDF document text
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086a058aa3fe---27626591911.pdfIn PDF document text
- https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/41631c00ded645210335b105a1a8e039/sevodejawusibemip.pdfIn PDF document text
- https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607446212f432---zigofadesutetu.pdfIn PDF document text
- http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/160847fb41852f---dunas.pdfIn PDF document text
- https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/32be8de11c432890d5bed2a587e89dcb/jabagedabuwofibo.pdfIn PDF document text
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607303d339beb---97125863409.pdfIn PDF document text
- http://delawaretravelmedicine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608802f83b6e3---pibodilirebu.pdfIn PDF document text
- https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/p945s3qd902kkjgp3en831ecp2/gawakanosenonagojag.pdfIn PDF document text
- http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160893de8e8660---95287007315.pdfIn PDF document text
- https://travolution.travel/wp-content/plugins/super-forms/uploads/php/files/3de8cf30840d6e6ed2b82451dfdb23b7/73707358707.pdfIn PDF document text
- https://amitadevnani.com/userfiles/file/77901905454.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607acbd1346fc---39481516719.pdfIn PDF document text
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e7447790ac---53235327464.pdfIn PDF document text
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb5f7ccb06---76479453190.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=art+filter+photo+editor+appPDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d901.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD901 | 4940 bytes |
SHA-256: d97c93e8133d2b496e3db2fa0d389f4742ee14294ccabbe6f346f1926ab6c85d |
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font_01_sfnt_off0000e9c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9C7 | 10716 bytes |
SHA-256: ca9feaa694ce76e97b417af7659ab23c8849c182993ab162938b94918442ec80 |
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