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 0.9998
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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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://crophysi.ru/strik?utm_term=how+to+program+universal+remote+toshiba PDF link annotation
- http://zarozunaxa.iblogger.org/cue_club_full_game_free_pc.pdfIn PDF document text
- https://cdn.sqhk.co/nelufebo/jdfia80/bukugogelaketu.pdfIn PDF document text
- https://cdn.sqhk.co/guwuweri/jGhflih/gavudusovuvola.pdfIn PDF document text
- https://cdn.sqhk.co/mofosalamo/E9gchgL/lobby_hobby_stores.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
- https://6e229dea-1f83-4be8-8cd3-388eabd4f5e3.filesusr.com/ugd/1cfe37_3ce33d38c3474ff9af3e810ec6588a56.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/dudujopixejikug/diwubafivojuxukavik.pdfIn PDF document text
- https://1c985592-4fe2-425a-b8d2-7dc24782370c.filesusr.com/ugd/a13bc2_8ea08649636b4e7a86508373e508c4bd.pdf?index=trueIn PDF document text
- https://ac4cd5cf-e861-4b1b-a585-e47049f737a6.filesusr.com/ugd/843280_0748961906e3496293a11ad03c338ccd.pdf?index=trueIn PDF document text
- https://2a4b29e6-a790-453e-81e7-e8b9caf2c27b.filesusr.com/ugd/bf0735_f9b95654419d4fc3a65ceb79c5d047dc.pdf?index=trueIn PDF document text
- https://4d75d3c9-3a4d-4df6-84ab-e48b83d723e5.filesusr.com/ugd/cdb50c_a11b88d7986f47fb8d81f6d8ad2cb774.pdf?index=trueIn PDF document text
- https://9849c7ec-8b19-4b81-9a64-db2537ea7c40.filesusr.com/ugd/97b1c0_c9b03f590e164475aa4542d748c338d3.pdf?index=trueIn PDF document text
- http://fuginifetulad.epizy.com/vebujuwopobewuj.pdfIn PDF document text
- https://0502d5d0-a0f5-47b8-bc1c-644c46e4e431.filesusr.com/ugd/6cabbb_7b46809e82264f2a9e431e32c42d2af9.pdf?index=trueIn PDF document text
- https://75e6061f-eb7a-4ce8-b546-077bf96366c3.filesusr.com/ugd/2dfd19_301279e090754862b424456aefa1462f.pdf?index=trueIn PDF document text
- https://37523d11-79cf-4eb3-ada4-f05de57c71ee.filesusr.com/ugd/275374_a6549b48dc4742aeab2d0808bf30d7b0.pdf?index=trueIn PDF document text
- https://a54de82d-0003-4787-801b-d7ee719c780a.filesusr.com/ugd/8d57bd_17452f61bb634cbabed5fefc6401ee29.pdf?index=trueIn PDF document text
- https://e082cb0d-9c22-4a21-acb7-e2c6127a51d3.filesusr.com/ugd/ff0c06_4212df3a09bf4a43b6b83fcbe2644890.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/nijudow/betrayer_game_guide.pdfIn PDF document text
- https://s3.amazonaws.com/divikufifir/glyphicon_icons_bootstrap_cheat_sheet.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000de74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE74 | 5368 bytes |
SHA-256: 485e5cf6c9347245d2d6508472ed81ed13f19a76abd18aa9074b6dfa914f76ec |
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font_01_sfnt_off0000f095.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF095 | 10256 bytes |
SHA-256: 0180cf91333936d3ba7c810bcf9ac59d94ab2ac604a04e8a9b4613e3a8add3b8 |
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font_02_sfnt_off000113b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113B3 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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