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 0.9997
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://kuzutuzo.ru/strik?utm_term=schools+to+become+a+paramedic+near+me PDF link annotation
- https://vozomazusow.weebly.com/uploads/1/3/4/5/134510153/7057314.pdfIn PDF document text
- https://wixewolo.weebly.com/uploads/1/3/4/5/134577565/kagute-lodotikesajafiv-moxaxezibon-vukadomudesaj.pdfIn PDF document text
- https://nolilozeto.weebly.com/uploads/1/3/5/9/135957670/zunajazesufefu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://20996a60-9695-4f45-8fdb-44bdc783da55.filesusr.com/ugd/c57cae_22a6091e7a8141ef83cd0e0d35b02cb4.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/95ae83a0-517e-4668-8e07-52ad2841df20/husqvarna_leaf_blower_spark_plug_replacement.pdfIn PDF document text
- https://6cbe2f5c-748b-4bc6-b691-25a968a47885.filesusr.com/ugd/d6b5da_f041be60d1fc4584a12520dbb3560939.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f23c8e70-2656-491c-b288-fb504f16fc5f/noxidesifujawumobe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/20bc0aff-d94e-4327-bcfe-a3377c2ee811/what_does_the_bible_say_about_virtual_reality.pdfIn PDF document text
- https://27a83426-c768-4525-a63d-b5b732cca755.filesusr.com/ugd/28b3f7_f336a29626234d13b36743b439e7c6b0.pdf?index=trueIn PDF document text
- https://df4002df-ed14-466c-b758-10ced248c840.filesusr.com/ugd/3b03e6_b326830140594be398958dc1e1a03751.pdf?index=trueIn PDF document text
- https://26f2e344-8444-46ea-90c9-5a893bcc2fb3.filesusr.com/ugd/b8c837_1e9465fdcf7248c098b3ef4525825cb3.pdf?index=trueIn PDF document text
- https://92e0cadd-ca3c-497d-ba7d-1aece6ee6da0.filesusr.com/ugd/008e52_7560befb61d648b690ddc0a62f645cea.pdf?index=trueIn PDF document text
- https://a49a6154-edc8-4132-95a2-c7bb8d673fe9.filesusr.com/ugd/551169_857fbae55f514eb48399dbc33f8fd3de.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/7763aed8-fc7d-46b9-878f-49b5cf09d969/how_to_read_level_2_quotes_thinkorswim.pdfIn PDF document text
- https://de315c38-daa2-4293-b666-e554ba9b7d65.filesusr.com/ugd/564d2e_b87f00dec8384f5c840a9aaba839a614.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/bdaab449-0f7b-4821-b6a0-578f5151e779/jokep.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d31af43b-505a-481b-bb01-e4be1359320f/beren_and_luthien_pictures.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/18b98269-4e80-4892-8615-97d8a5bbed6b/patababuduwokudelelu.pdfIn PDF document text
- http://zedaziwubisod.rf.gd/circle_design_powerpoint_template.pdfIn PDF document text
- https://694dae7a-2033-4a59-8b06-91ff4eec0774.filesusr.com/ugd/e1d58f_0fd8b46644014311b8f4e2fdf537f705.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/dfaa0631-b16a-4b94-b143-f8ff44a9156d/average_boat_speed_knots.pdfIn PDF document text
- http://tixigidix.epizy.com/how_to_get_hp_deskjet_3630_wifi_password.pdfIn 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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000108a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108A7 | 5556 bytes |
SHA-256: 804c9b7bcf01087df9018e65461310c5efaf166ad8880fbae9eaa112c8189293 |
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font_01_sfnt_off00011b56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B56 | 10336 bytes |
SHA-256: 9624b3dedce8716ce24b2061687a10649eacaae19524b728e9a413a43c07fa54 |
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