MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, specifically as a phishing or trojan delivery mechanism. The document contains numerous embedded URLs pointing to external domains, many of which are associated with link farms and disposable hosting, indicating a likely attempt to redirect users to malicious content or phishing sites. The presence of external URIs and the link farm heuristic strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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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 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://mezovuduw.ru/strik?utm_term=realidades+1+cap%25C3%25ADtulo+2a+answers+page+39 PDF link annotation
- http://confirmyourverifiedbadge.com/how_do_you_make_a_rocket_stove8efzn.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4374704/normal_5fe3e52f105dd.pdfIn PDF document text
- https://cdn.sqhk.co/ruwonumatag/gRPWifH/45665673356.pdfIn PDF document text
- https://cdn.sqhk.co/gonolesuzam/dgdhdH3/bomber_crew_switch_review.pdfIn PDF document text
- https://duvozeja.weebly.com/uploads/1/3/0/7/130739152/6131429.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4411490/normal_5fe8b23a8db89.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4379222/normal_5ffb4c52b7302.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368972/normal_60659ddb19420.pdfIn PDF document text
- http://khanapoorti.com/conductas_de_riesgo_definicion67eow.pdfIn PDF document text
- http://znakomstva69.space/84380107216x60pv.pdfIn PDF document text
- http://nukels.xyz/el_conde_de_montecristo_pelicula_1975_onliney0cov.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447874/normal_5fe6ceadbbaac.pdfIn PDF document text
- https://kujadivenudeku.weebly.com/uploads/1/3/5/3/135324903/letonegefitodom.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4467612/normal_6031e3dbee8aa.pdfIn PDF document text
- https://cdn.sqhk.co/mofekuma/gXigbib/desavepagur.pdfIn PDF document text
- https://dezamemev.weebly.com/uploads/1/3/4/7/134746632/8950497.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4473041/normal_602db10bb6b0f.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://54e283d8-6946-47af-b6e3-c78582312647.filesusr.com/ugd/22cd47_d7b0ff38698e48c09cd1a05b950207d5.pdf?index=trueIn PDF document text
- https://abaaaae4-9231-44fc-b12c-ad55ebcc68e7.filesusr.com/ugd/2ca09c_3f59452e4b1b40178fa42a7ad381bd7d.pdf?index=trueIn PDF document text
- https://70fbc5f3-53e4-4072-9ff7-a5862d19847b.filesusr.com/ugd/bb3bf9_5795fd6beee749289fe382f636604f0b.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_off0000e908.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE908 | 5900 bytes |
SHA-256: 33e5c8afc0c7f18c5071d77d7f5733d3b3a09ba0b4c6f625b1f5d771a62bab2c |
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font_01_sfnt_off0000fd47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD47 | 11876 bytes |
SHA-256: c2b486895adf3abe0ef2bc0d7b7faa49272ee660f749dfc6cc0f97a4e7fbf890 |
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