MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to compromised WordPress upload storage and disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of embedded URLs and the overall structure point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://lymfologi.se/anvandarbilder/221/files/39042573579.pdf In PDF document text
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1609f5574246dc---43812644441.pdfIn PDF document text
- https://www.rowtheerne.com/wp-content/plugins/super-forms/uploads/php/files/f0016d07780fbf297697536f334a4c47/rafonodojolomim.pdfIn PDF document text
- http://keyflounge.nl/userfiles/file/96857095864.pdfIn PDF document text
- http://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/54dd66e250b83c4f634c0e5f61c45b30/19017814047.pdfIn PDF document text
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073bf5a05af5---wolijuxagabilarijaza.pdfIn PDF document text
- https://fablab808.com/nbloom/fckuploads/file/23438436075.pdfIn PDF document text
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/16077f2d8cfbe4---11049101447.pdfIn PDF document text
- http://ajivikafinance.com/userfiles/file/makinidixakalifonebeb.pdfIn PDF document text
- https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/be6bd264bdd3a77e84b32c77c62eab67/dalote.pdfIn PDF document text
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/317280fcbb4716fde75130712f7a8912/lekawafidon.pdfIn PDF document text
- https://accesoriosalmayor.com/images/userfiles/file/vumokijufuxumajuna.pdfIn PDF document text
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/450dc4963079258ae19e47dbf39bc065/57056565085.pdfIn PDF document text
- https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/e5d4267e872f32a86e9820e52d60113c/sexekubak.pdfIn PDF document text
- http://karthikeyanjayaram.com/userfiles/file/pisaguvijobemotanedax.pdfIn PDF document text
- http://yngc.ru/admin/ckfinder/userfiles/files/balatutezotoderovudad.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/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=flac+2+mp3+converterPDF 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_off0000de7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE7F | 5212 bytes |
SHA-256: 489894f3cbe860251705c764cff00ff5a4d4da87a70912356ae33eb7520b1c51 |
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font_01_sfnt_off0000f032.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF032 | 12756 bytes |
SHA-256: 109fb0730ec3824ae760b20a4705ec86e2fe6dd35da99dac2a0500a9104937c5 |
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