MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
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. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://nipisod.ru/strik?utm_term=hyaluronic+concentrate+d%2527the+chemistry+brand+%2528240ml%2529 PDF link annotation
- https://cdn-cms.f-static.net/uploads/4387817/normal_60317f32900c5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459163/normal_604db20ef1de5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4389794/normal_6027879fe8e3d.pdfIn PDF document text
- http://vejawezodasupax.22web.org/46705195538.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://86a9da1b-0b57-4b35-a77a-523886b904cd.filesusr.com/ugd/0d9a50_3f30d92a7f4e4c29a7777a23abaef5ba.pdf?index=trueIn PDF document text
- http://bilovero.rf.gd/borrelia_bacteria.pdfIn PDF document text
- http://mekamaxabojumoz.epizy.com/berliner_platz_3_testheft.pdfIn PDF document text
- http://mutidulofof.epizy.com/showbox_android_tablet.pdfIn PDF document text
- http://febojuv.epizy.com/worimufiridozipefimobeji.pdfIn PDF document text
- https://ded05c8b-f0d8-42bc-a64b-daa0b63394ca.filesusr.com/ugd/99afdc_359313b143c4498b8fb9650abac9bf39.pdf?index=trueIn PDF document text
- https://13fad4bf-7224-44b3-802b-16842e97d241.filesusr.com/ugd/b14664_19ceab8ca4764e9da877e357ba001323.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/farefasejikap/92701059431.pdfIn PDF document text
- https://s3.amazonaws.com/nigimul/what_to_do_with_leftover_table_service_credits.pdfIn PDF document text
- http://ruxofepugoloma.rf.gd/wavelet_transform_for_eeg_signal.pdfIn PDF document text
- http://dapunujunet.epizy.com/8474277434.pdfIn PDF document text
- https://8860adff-7f0b-4cf3-a358-cdd560dff136.filesusr.com/ugd/625844_b7034c8018024ba4ae72db8df3a65d02.pdf?index=trueIn PDF document text
- https://351e5f87-f9e5-4015-92cd-d601692b9ec3.filesusr.com/ugd/a0d0d3_dcc78601620d491cb085358d9cfa7164.pdf?index=trueIn PDF document text
- https://536432c6-7160-4795-b32c-faef63afc1c8.filesusr.com/ugd/5e2347_3b23e066f44044e0904e0f1354305a96.pdf?index=trueIn PDF document text
- https://063758de-fb2f-4258-809e-b727485bfd5a.filesusr.com/ugd/89cda4_6e94495d4ea349f3a992e938aa0d798a.pdf?index=trueIn PDF document text
- https://107a3552-ed21-4f5d-95e3-510b6eae4444.filesusr.com/ugd/21bbef_71b8685e4f6947179015156c0ca995da.pdf?index=trueIn PDF document text
- https://f84ffea9-2755-49c2-9cb5-47ca8b55fe65.filesusr.com/ugd/0adedf_1fd3aed4a57344d390f03c929dc26eba.pdf?index=trueIn 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_off0000e87b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE87B | 5932 bytes |
SHA-256: cd7d2797daca30423b26a7ba68cfcf5c122b4c83893fca116adaa6d2b7e830b8 |
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font_01_sfnt_off0000fc96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC96 | 3360 bytes |
SHA-256: 375fd76c7c47b379c596389172bc20b737680d7a401745e0e81283c27c423519 |
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font_02_sfnt_off00010a32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A32 | 12304 bytes |
SHA-256: 6dbf8084668518a94808d3d92588505e386a8536479b3c27805cdec224439215 |
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