MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.007 JavaScript
This PDF file contains a large number of embedded links, many of which point to disposable hosting or known malicious redirectors. The heuristic firings indicate it's a malicious redirector and a link farm, designed to lead users to harmful sites. The embedded URLs, such as 'https://yafferge.ru/strik?utm_term=what+skills+are+needed+for+data+analytics', are likely part of a phishing or scam campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://yafferge.ru/strik?utm_term=what+skills+are+needed+for+data+analytics In PDF document text
- http://xobaxibudizoba.22web.org/odia_new_dhoka_dj_song.pdfIn PDF document text
- http://vazawujuzu.sportsontheweb.net/54462326083.pdfIn PDF document text
- http://dekoriribazovax.mywebcommunity.org/medicinal_and_aromatic_plants_industrial_profiles.pdfIn PDF document text
- http://gajonedorebuko.mywebcommunity.org/entrepreneurship_education_questionnaire.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367916/normal_604e143b181b7.pdfIn PDF document text
- http://tesodip.iblogger.org/27462381696.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4427799/normal_5fd97da793108.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/93f69f6d-8a47-4815-8a1c-7fd3bebda474/is_there_a_free_spanish_translation_app.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/17ef8d9b-bbca-4510-b7fd-93cdd7443919/xavazisomiwesapejulamugud.pdfIn PDF document text
- https://s3.amazonaws.com/povelenavuviw/emotions_list_for_writing.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/df0c22de-0e8c-4b73-9547-1bbe6b16ee2a/mahalakshmi_ashtakam_lyrics_tamil.pdfIn PDF document text
- https://s3.amazonaws.com/pizexopenaxu/camera_clicks_sound_effects_free.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/df32e0ab-859b-40f9-9e84-25fb1ab9fe64/swann_wireless_security_camera_system_canada.pdfIn PDF document text
- https://488a161d-122f-4e25-b35e-34d1d0e27b34.filesusr.com/ugd/bbc910_e4ac1f36c9f042f3bc27ad01b63ee3fb.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tevigotu/english_as_a_second_language_program_near_me.pdfIn PDF document text
- http://xekazaz.myartsonline.com/63098092333.pdfIn PDF document text
- https://a6f18165-9bfd-46c9-8f51-0ab50cd0b687.filesusr.com/ugd/265c7a_6837c41ad39c4adc8e461807994714f4.pdf?index=trueIn PDF document text
- https://1c92f6d8-19eb-429c-9239-1cf6be91372f.filesusr.com/ugd/cc1a03_fcd84220760e4166a84762663eac63e0.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f661.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF661 | 5288 bytes |
SHA-256: 0b256fe2f764cf8051a24d60912d2f9e64ba2cf46a8aad461e791ea625c10900 |
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font_01_sfnt_off0001086d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1086D | 10668 bytes |
SHA-256: c5b665e0575bf3ed0e9ddff7180873ae0c81ee8446922d257487187f97c7c8fa |
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