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://ponafet.ru/strik?utm_term=how+to+write+a+summary+of+a+textbook+chapter PDF link annotation
- https://cdn-cms.f-static.net/uploads/4423188/normal_6050014560588.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414335/normal_60390811c9124.pdfIn PDF document text
- http://gobitujesan.scienceontheweb.net/cervical_cancer_book.pdfIn PDF document text
- https://cdn.sqhk.co/tumosirewuw/YiekTjL/survival_simulator_mod_apk_unlimited_money.pdfIn PDF document text
- https://cdn.sqhk.co/pigevikuwi/8Fjhchh/38683163329.pdfIn PDF document text
- http://fomejejavegod.sportsontheweb.net/tamil_bayan_download.pdfIn PDF document text
- http://giwosoto.sportsontheweb.net/odisha_cabinet_minister_2020_download.pdfIn PDF document text
- https://cdn.sqhk.co/xipapotug/hiAiggi/warriors_orochi_2_characters_list.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4416143/normal_5ffe8ce459f4f.pdfIn PDF document text
- https://cdn.sqhk.co/fanekizesedi/icSn7gd/ordinance_of_1787_definition.pdfIn PDF document text
- https://cdn.sqhk.co/dodirijobadi/hi1b6gl/cbse_class_8_maths_book_download.pdfIn PDF document text
- https://cdn.sqhk.co/kojetozativ/bhahhQw/top_new_ringtone_2019.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/bubodeliza/43635451048.pdfIn PDF document text
- https://28546a20-d0cc-4b82-bb4f-6711990cd5a3.filesusr.com/ugd/0bcf16_64f8bce512b446ac87336105d3879d3b.pdf?index=trueIn PDF document text
- http://bipegokatif.onlinewebshop.net/5880474317.pdfIn PDF document text
- https://s3.amazonaws.com/zagapaxa/old_school_philly_rap_groups.pdfIn PDF document text
- https://945b3f91-9c76-4178-be32-f0dab3cfe2c6.filesusr.com/ugd/8d5d69_ece9eb7879724250b2cb86e9fab5454c.pdf?index=trueIn PDF document text
- https://d525ee04-2a40-494f-8ba9-fee52f7b18ee.filesusr.com/ugd/8b8e24_10dce556bee34061964a40c47dd6a30c.pdf?index=trueIn PDF document text
- https://ecab545c-19d2-4654-b6ac-fb8b9749f5ba.filesusr.com/ugd/e5412a_1828dba77fc247188ff244a6bee445e7.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_off00010028.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10028 | 5648 bytes |
SHA-256: 48d5fb529895801b7378319b29b0615a0601b107aee83c6bd1591557209b34a9 |
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font_01_sfnt_off0001134e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1134E | 10712 bytes |
SHA-256: 3e6a9e1369761875345525c351cc6b4f5f1f67a2153744886dd5a5b6fbf04db8 |
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