MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous external URIs pointing to various domains, with a significant number of these links likely serving as a disposable link farm. This suggests the PDF is used to redirect users to potentially harmful content or for SEO manipulation, rather than delivering a direct payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://botokaw.ru/award?keyword=beginning+english+pdf PDF link annotation
- https://cdn.sqhk.co/ropikenetu/ibhaU4i/hocus_pocus_outfit_toddler.pdfIn PDF document text
- https://navolujute.weebly.com/uploads/1/3/1/4/131483334/gaziju.pdfIn PDF document text
- https://cdn.sqhk.co/balapakufogo/ieW6rXQ/ladybug_coloring_games.pdfIn PDF document text
- https://cdn.sqhk.co/xidodaxu/hMDgihf/76236324452.pdfIn PDF document text
- https://cdn.sqhk.co/romilononove/xgfhghg/tengan_cuidado_con_en_ingles.pdfIn PDF document text
- https://cdn.sqhk.co/zuzonoviza/ijghigi/33757448737.pdfIn PDF document text
- https://puziwurawube.weebly.com/uploads/1/3/1/8/131871408/70d8b8d6d.pdfIn PDF document text
- https://cdn.sqhk.co/mosugukasiba/3iXhgW5/sigasadapiropikezov.pdfIn PDF document text
- https://memetunariva.weebly.com/uploads/1/3/1/4/131454345/4704938.pdfIn PDF document text
- https://sabigojepesadiz.weebly.com/uploads/1/3/2/8/132814096/5075140.pdfIn PDF document text
- https://cdn.sqhk.co/fujalapevame/jgg7jcL/auto_answer_whatsapp_iphone.pdfIn PDF document text
- https://cdn.sqhk.co/dozawulu/prmhhMX/pokemon_showdown_team_builder_copy.pdfIn PDF document text
- https://zebazefapik.weebly.com/uploads/1/3/1/3/131383848/nejebeviron_gagosepupexegi_fabelesix.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/5de222a0-1e2f-4947-a193-887b7b7941b8/93310658469.pdfIn PDF document text
- https://4868a29a-6d77-448d-a9c5-bc5c6a1713c3.filesusr.com/ugd/060e50_a193e31ab33242d28b864218b71bc99c.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/46b0aa8d-c73d-444b-b0e7-146ca609eabd/51255676163.pdfIn PDF document text
- https://305aa2e3-e1d2-413d-aa2e-f1bb83d03ded.filesusr.com/ugd/92ee2b_6575d2ec62704bb59b83b2ce66bf9de6.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/4f51abae-7bcd-4226-bb73-837d4d462123/22536510488.pdfIn PDF document text
- https://dd907c4b-492b-4b4d-bf3c-9f0b7a2bd2c7.filesusr.com/ugd/96a426_ba75b5005eb6461da10dff66d0b40bf3.pdf?index=trueIn PDF document text
- https://ddf64d59-5240-4154-9987-17dfc28e22c7.filesusr.com/ugd/cec570_6ab14206e42c4f5197c09b8d069568c2.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_off0000e4ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4AD | 5044 bytes |
SHA-256: 297ff1002aec692a895f25a4ee500c5adb00d4200cc35e3eac0dcd0d664a57cb |
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font_01_sfnt_off0000f5e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5E1 | 10508 bytes |
SHA-256: bf01fbde6efec4c34b814d9333f088c564d54a72b26c37b269ababefc76de744 |
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