MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The document contains a link farm pointing to compromised WordPress upload directories, suggesting it is used to distribute further malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt.
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 http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608605c4ca255---jefafupagosusakulitima.pdf In PDF document text
- https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/04mc9db2h05fs2db4lpuecnrr4/dutaxilofageker.pdfIn PDF document text
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/16078400ab8935---93490798930.pdfIn PDF document text
- http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160768a00f2ea2---87945876548.pdfIn PDF document text
- https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/be2543684ed8fb0e7f9c691c681c5d05/7025135758.pdfIn PDF document text
- https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/647bc7d264965430198b6cd6a32a9341/zizuvumiwi.pdfIn PDF document text
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607ae314deb3a---memamonazeboloxasagijez.pdfIn PDF document text
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1608cd6fbea301---10380385778.pdfIn PDF document text
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078544884736---70852959666.pdfIn PDF document text
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/ffb2e0fd12c8d1eaed527692fbbd8710/64911534576.pdfIn PDF document text
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607238e4ceddf---gugivajog.pdfIn PDF document text
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607918bc2bb00---98774092298.pdfIn PDF document text
- https://mobistore.co.nz/wp-content/plugins/super-forms/uploads/php/files/e716663d4cc64cfc7ccca54da0df7617/10533474104.pdfIn PDF document text
- http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606d1513f226d---26101182304.pdfIn PDF document text
- https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607b0dcc075f4---19266222760.pdfIn PDF document text
- http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607c68ae06784---pezufokiwoxinorirewaw.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/A3Ryygt5BCM/uplcv?utm_term=causality+assessment+scale+pdfPDF 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_off0000fc90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC90 | 5212 bytes |
SHA-256: e850cb4c3e5530956a4f0079b183ea99d75fb133d04169adf9f45fdbdc1c29d6 |
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font_01_sfnt_off00010e48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E48 | 10944 bytes |
SHA-256: f9e2322a58f9b679346134dca363a678616b09540ebe9bc8681dc2a6acbcec5f |
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