MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by multiple heuristics as malicious, including a critical finding for linking to known malicious redirector infrastructure. The document contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to distribute malicious content or phish users. The ML classifier also strongly indicated maliciousness.
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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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://dafemum.ru/123?utm_term=project+management+summary+template+excel In PDF document text
- http://blog-millionaire.buzz/behind_enemy_lines_2_movie_download_in_hindi_480p903gp.pdfIn PDF document text
- https://mivagadak.weebly.com/uploads/1/3/4/5/134599435/d4ee32ce8eb24a4.pdfIn PDF document text
- http://autobuff.xyz/twitter_free_for_windows_10aftnx.pdfIn PDF document text
- https://s3.amazonaws.com/lomiwexuva/winobotalug.pdfIn PDF document text
- https://s3.amazonaws.com/jozaponi/cervical_screening_guidelines_2019.pdfIn PDF document text
- http://zevixoleg.iblogger.org/rekikiw.pdfIn PDF document text
- http://yellownatural.space/how_to_reverse_data_order_in_excel_graphn1jp6.pdfIn PDF document text
- https://wikoxunorature.weebly.com/uploads/1/3/5/9/135968981/tugedapaxogo_jinosuzabago_zuwibabo_kedax.pdfIn PDF document text
- http://clyb-wylcan3.space/musicals_movies_1950sa2u96.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/64fedfdb-bb7f-41f0-8b32-b1d5a02e127a/30505561454.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/efdd4fda-e862-41e4-b669-e882a044c8d4/terogabepagev.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/48776ffc-a7e0-4954-a12f-d15f76c62fb3/va_citrix_access_gateway_login.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b0b33cce-14bf-4eb5-bc6e-8f59ea0d36a1/nodesaloluvabe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1567350a-a035-4f2c-a476-baa40952bc70/dilaguwoxalafigokazizaja.pdfIn PDF document text
- http://datonojafasaxup.rf.gd/ielts_reading_strategies_rachel_mitchell_free_download.pdfIn PDF document text
- http://dodarululi.epizy.com/building_vocabulary_the_progressive_era_answers.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_off0000fc67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC67 | 5500 bytes |
SHA-256: f5452d47fcda7216e1b715efac3c6a0de4b94267e158b2816d455da3cee3083e |
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font_01_sfnt_off00010f18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F18 | 10680 bytes |
SHA-256: e8be5d8f1f4b7def592d4fd2bbea35ae06937b16eeba659c2532485ac1ec93fd |
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