MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple compromised websites and potentially disposable hosting. This suggests the primary goal is to redirect users to phishing sites or download further malware.
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://huntic.ru/uplcv?utm_term=arctis+pro+eq+settings PDF link annotation
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16086401a686f0---18204503504.pdfIn PDF document text
- https://charqueadaboavista.com.br/wp-content/plugins/super-forms/uploads/php/files/d349a73b8408201cb28b16d0ee436dc2/pokefudonafuvagukumom.pdfIn PDF document text
- http://facilitymanagementassociates.com/survey/userfiles/files/36118878233.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607be49f108ce---zikasebij.pdfIn PDF document text
- http://sys-svinding.dk/userfiles/file/lonuwinek.pdfIn PDF document text
- http://eltonltd.ru/sites/default/files/uploads/dadulidixivulorida.pdfIn PDF document text
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160719842e447e---79126139899.pdfIn PDF document text
- https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/7efed86fd92715571a0cd8d8d57071e8/8924073133.pdfIn PDF document text
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606cdf843bd84---sozad.pdfIn PDF document text
- http://fly.no1-yes.com/userfiles/file/gosuxuxexesodewun.pdfIn PDF document text
- http://www.melloecastro.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b6b7259574---kaniwaturoduvumarimazubex.pdfIn PDF document text
- https://equantumconsulting.com/files/files/76383875273.pdfIn PDF document text
- https://cuisinescartier.ca/upload/editor/file/nerurubanisivurale.pdfIn PDF document text
- http://aldara-latinoamerica.com/userfiles/file/vurikiv.pdfIn PDF document text
- http://internationalnetworksolutions.net/files/salinixomelowimufelob.pdfIn PDF document text
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5bccbe4ac5---vexisu.pdfIn PDF document text
- http://woodsfamilypride.org/clients/2/2c/2c83419adcf4927d74d3defe18342386/File/75779423412.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e8ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8AE | 4764 bytes |
SHA-256: a663d34ee041a6bcec8c151bff128f432fc2b8451d577b2cb83ef1c5ed33d36d |
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font_01_sfnt_off0000f8e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8E2 | 10648 bytes |
SHA-256: bb54f0347b324233c6b560a74f72cbed68298c03014f7de048cc99160508fc09 |
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font_02_sfnt_off00011d15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D15 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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