MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm with numerous external URLs, including a suspicious one hosted on 'soxebez.ru'. Heuristics indicate a 'PDF_SEO_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM', suggesting an attempt to manipulate search results or distribute malicious content. ClamAV detection and ML classification strongly indicate malicious intent, likely phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://soxebez.ru/strik?utm_term=organic+chemistry+for+dummies+2 PDF link annotation
- https://cdn-cms.f-static.net/uploads/4376850/normal_603dd52456c44.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4419413/normal_6027cc60370a2.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://uploads.strikinglycdn.com/files/06b3160e-53b6-47b6-839e-948503cf2078/how_to_use_console_commands_in_fallout_new_vegas.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4be72f28-99ca-4b5f-8f4b-435bd8976241/tonivulomobazisaxunef.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/268119c7-5a63-45c7-a4d1-52fb2ec79350/emily_dickinson_poem_303_meaning.pdfIn PDF document text
- https://f7b0ef4b-317e-4f07-901b-4de91a029b50.filesusr.com/ugd/50f142_6dcb34e059e84d30962f979f5f955a37.pdf?index=trueIn PDF document text
- http://mulapoxe.onlinewebshop.net/alkonyat_4.pdfIn PDF document text
- http://gajopule.myartsonline.com/97763332349.pdfIn PDF document text
- https://s3.amazonaws.com/gimisorixosu/data_architect_resume.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1522d90c-7116-4d0a-8efb-36f32081400b/seiko_7t62_quartz.pdfIn PDF document text
- https://493f174a-a540-412c-bacb-e5b7b26cbfcf.filesusr.com/ugd/95bb70_08f84adb9557432fad3200242eb7a970.pdf?index=trueIn PDF document text
- http://betakudo.atwebpages.com/ancel_fx2020.pdfIn PDF document text
- https://d1b33a7b-cde1-45d4-bc15-d4d3b6236ac5.filesusr.com/ugd/1d64af_1800c758eba640a4a80ee0a3421da35c.pdf?index=trueIn PDF document text
- http://loxupobupibim.atwebpages.com/28575068667.pdfIn PDF document text
- https://6997f972-013f-4c6f-ac95-4179ba17a557.filesusr.com/ugd/549e1a_ab94ccbf8a6d443cacf4a8919e8dc6b8.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/b9513f73-610a-4eaf-bc16-25925e029509/kitchenaid_mixer_k5ss_repair_manual.pdfIn PDF document text
- https://s3.amazonaws.com/kovilowab/penikiripugimul.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/99537228-7352-48d1-95ca-1d70ba91e0ad/how_to_open_a_fire_safe_sentry.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8d5647e2-5c5f-46b9-a31d-9c7c98bbd83b/kojama.pdfIn PDF document text
- http://fojosotum.myartsonline.com/nisojunu.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_off0000d2a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2A5 | 5548 bytes |
SHA-256: e142e30b18ee319ecca50eb88f4c5051b56eea99f0d93d86878511b3e576472b |
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font_01_sfnt_off0000e554.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE554 | 10592 bytes |
SHA-256: 1bd264b7d091ee2edc1cb13c163f12f353bb92a862d7dd711db76ba5b289ff4d |
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font_02_sfnt_off000109af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109AF | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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