MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://garglob.ru/uplcv?utm_term=undertale+1.08+download+free PDF link annotation
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160b0d86146095---dazuxaluruzumadujewifo.pdfIn PDF document text
- https://armagedonspedycja.pl/files/file/fasisexajofalopajibozew.pdfIn PDF document text
- http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/63f6b6a42a90719d6661116f45f53c69/32810625511.pdfIn PDF document text
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/3807c3e64fd062fadf8f28c73c3e555d/jowurobujavimasi.pdfIn PDF document text
- http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608ad48c1a79d---12242634274.pdfIn PDF document text
- https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/57ed8401a1fd73d6771080b543f54ec8/56480410901.pdfIn PDF document text
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/2a94dc8c4af88a7fc663d5ccc660798c/gugiwine.pdfIn PDF document text
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/a50b78941f68fd1216906662c5cad376/jovikasexuvofan.pdfIn PDF document text
- http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/849569a17a51c75d461f116ee078dc76/wejegumerizodulosaga.pdfIn PDF document text
- http://brandnewgoods.net/userfiles/file/31312973907.pdfIn PDF document text
- http://zoltysnieg.pl/pliki_wyswig/files/30496376336.pdfIn PDF document text
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/ce167e2934da4014fb0a49116c57c6fe/jazugogeg.pdfIn PDF document text
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d8188eb0a8---nibenatosepiwudimeber.pdfIn PDF document text
- https://burgas-remonti.com/userfiles/file/9928595080.pdfIn PDF document text
- http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bc8baada896---55563202645.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000e393.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE393 | 5604 bytes |
SHA-256: 47d2b7e59a4bdf053618755e01832661e00f48b7fd6330ea0d531965d0f9418b |
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font_01_sfnt_off0000f76d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF76D | 5228 bytes |
SHA-256: 7ecb0a1f3cfa49fab61227fc1256bf500d5a4b551129a39207b963c6a3910c49 |
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font_02_sfnt_off00010963.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10963 | 12004 bytes |
SHA-256: 00d6f9d6fad7a9e66ed567a1bf92b856185a72bed9fc09b86bb45df5d8871500 |
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