MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many pointing to disposable domains, suggesting a link farm or phishing attempt. The ClamAV detection and ML classifier strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document designed to redirect users to potentially harmful sites.
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://pelibifir.ru/strik?utm_term=burning+sensation+spot+on+leg PDF link annotation
- https://static.s123-cdn-static.com/uploads/4366366/normal_5fc65c3d9b48b.pdfIn PDF document text
- https://gajokazatiduker.weebly.com/uploads/1/3/4/3/134320060/kubajexe.pdfIn PDF document text
- https://cdn.sqhk.co/mekekomubun/biiiaHh/2014_dodge_charger_sxt_manual.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366316/normal_606b47fa2198f.pdfIn PDF document text
- https://cdn.sqhk.co/midipijikami/Sjh1fil/dragon_tattoo_wallpaper_hd_download.pdfIn PDF document text
- http://sakulog.sportsontheweb.net/how_to_install_a_clothes_dryer_outlet.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4463263/normal_606244344c5e8.pdfIn PDF document text
- http://lumogodasekepi.mypressonline.com/manual_de_sobrevivencia_escolar_do_ned_download_mp4.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4484820/normal_5fc7a10b18f69.pdfIn PDF document text
- https://ximetekorexuven.weebly.com/uploads/1/3/4/4/134489871/ce6dc397600ad.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/8f3d910d-e7a4-4e6c-ba52-e3a86f4bcdbe/vovev.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/98fb3b84-1fe4-414b-a3db-1cf0e76f6603/how_to_search_images_by_color.pdfIn PDF document text
- https://6e3eaeb2-b9dd-4462-8b56-96c59beebd9a.filesusr.com/ugd/dcc11b_91b5b885f751462f947eb3505314fb2d.pdf?index=trueIn PDF document text
- https://32cf4326-ba62-484c-a3ca-05d02c2dd2e5.filesusr.com/ugd/0b46e6_cc12a9c89d8245079044c80dcff3f663.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/2d6e991a-f132-4be9-8ff4-7e6d32c2e535/cuantos_mililitros_tiene_un_centimetro_cubico_de_agua.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0e3f391a-c891-4103-a77c-0cf0cc970b89/what_is_the_best_keto_app_uk.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dbb74382-79aa-445c-a054-7ff430c9a0c4/what_is_the_density_of_water_1000_kg_m3.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_off0000dd7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD7C | 5036 bytes |
SHA-256: c7c0c6db1629783fa52fd143c59fddf2a665c2c05c60c039e1850e4e5b6ebd2b |
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font_01_sfnt_off0000eeb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEB1 | 10536 bytes |
SHA-256: ac0f59601891035e2b9de0d9f31e39e9a49db7fde0107b0a3f429e59e916e695 |
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