MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses a clipboard-command (paste-and-run) lure. 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 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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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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Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LUREDocument tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
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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://infrive.ru/pbw?utm_term=how+to+make+a+shortcut+run+as+administrator PDF link annotation
- https://cdn-cms.f-static.net/uploads/4486215/normal_6041781b4fa71.pdfIn PDF document text
- https://xijukuto.weebly.com/uploads/1/3/4/3/134354051/1748797.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4403948/normal_5ff26474b9564.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4372960/normal_606466957ad86.pdfIn PDF document text
- https://xurarasetar.weebly.com/uploads/1/3/4/0/134096945/6621371.pdfIn PDF document text
- https://lapefobok.weebly.com/uploads/1/3/4/6/134663543/rupojigi.pdfIn PDF document text
- https://gunobodupisar.weebly.com/uploads/1/3/4/6/134677737/wonosedugudefedebifi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409396/normal_5fd78b0064769.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://viluxese.pbworks.com/w/file/fetch/144413265/75249121843.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/95d24382-c4f5-4947-a28b-e85a1f7f0a36/horoscopo_de_hoy_profesor_zellagro_piscis.pdfIn PDF document text
- http://jesababa.pbworks.com/f/how_many_combinations_with_5_numbers_1-45.pdfIn PDF document text
- http://dekokos.pbworks.com/w/file/fetch/144420717/rewigexeguseperetenafuloz.pdfIn PDF document text
- http://zepupifob.pbworks.com/f/kumimejatekulakoxulo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/221f987b-0608-4368-824b-26fb5ed8bc04/83772077409.pdfIn PDF document text
- http://supatibu.pbworks.com/f/59448903249.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3588b4fd-bd9e-45c4-818c-20c616785051/7437703993.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b0bae724-02de-46d1-8c90-81f78d12edd9/sri_lakshmi_narasimha_runa_vimochana_stotram_mp3_free_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7531be0d-13df-4c2b-801b-1cfcbecbd2ce/faloresonanekurutij.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/aeee624a-374c-4d73-be02-448e83061f4e/32240196242.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/07f23a8f-3fc3-45b5-b93b-7820c3bd0a16/the_aeneid_book_2.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b23ad2a5-f68f-40c0-84fe-63a9f919ec98/pofaxewowipigugeruvuw.pdfIn PDF document text
- http://gatasulupu.pbworks.com/f/xomakegozon.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_off0000efa3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFA3 | 5264 bytes |
SHA-256: 811fab9b18df207654a4cc1f829dfcb0722c32221efb41555973f3a5794cfca5 |
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font_01_sfnt_off00010167.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10167 | 11872 bytes |
SHA-256: 2641822efed4349e9173cc32cd57909690a717555fb86746b6bd6ddd0efe8794 |
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