MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
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 5
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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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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://kuzutuzo.ru/wix?keyword=short+term+effects+of+oil+spills+in+the+ocean PDF link annotation
- https://cdn-cms.f-static.net/uploads/4425723/normal_5fda372bd5b3b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4500444/normal_5fc8bf7e9b844.pdfIn PDF document text
- https://cdn.sqhk.co/pisomuma/cjajtT0/95511211833.pdfIn PDF document text
- http://vulufinagi.mypressonline.com/what_is_the_best_app_for_stock_market_news.pdfIn PDF document text
- https://cdn.sqhk.co/midijanere/jhc6idA/netirofured.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481402/normal_601b633e54336.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4413468/normal_5ffb2f4ebc3d6.pdfIn PDF document text
- http://miwewumexurigan.sportsontheweb.net/honeywell_quietset_8_setting_tower_fan_hyf290b_white.pdfIn PDF document text
- http://dimozakebaba.scienceontheweb.net/90772943466.pdfIn PDF document text
- http://fisutef.iblogger.org/77785401256.pdfIn PDF document text
- http://moxokivotalunuz.iblogger.org/antioxidant_activity_of_curcumin.pdfIn PDF document text
- https://cdn.sqhk.co/sobekalob/icRhchb/wedding_cake_flavor_ideas_for_summer.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://butaxogusevi.epizy.com/83114288020.pdfIn PDF document text
- https://s3.amazonaws.com/zalomi/alamofire_multipart_form_data_encoding.pdfIn PDF document text
- http://kitalanexu.epizy.com/94954373946.pdfIn PDF document text
- https://s3.amazonaws.com/panokojol/jixolanizoxasuvosekirusot.pdfIn PDF document text
- http://pejezal.rf.gd/chicago_manual_of_style_quick_guide.pdfIn PDF document text
- http://somepezepu.epizy.com/jukoxewifasivokimazogili.pdfIn PDF document text
- https://s3.amazonaws.com/pivetuzadujo/ost_abyss_part_1_matikiri.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_off0000eee0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEE0 | 5356 bytes |
SHA-256: cc4d38cb7e57f5dfd9066ca041532a8f1b473b4f92f5eef41dd79750e699e197 |
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font_01_sfnt_off000100ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100EF | 10000 bytes |
SHA-256: ccb45d05661facada9e4a286cbf8d7a6f6b76599832c57179b37ecdb7612bf60 |
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