MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of external links, many hosted on disposable domains, indicating a link farm designed to redirect users to potentially malicious content. Heuristics like 'PDF_SEO_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggest this malicious intent. The ClamAV detection and ML classifier further support the malicious nature of the file, likely serving as a lure for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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/123?utm_term=is+sap+erp+easy+to+learn PDF link annotation
- https://pefuwopiluja.weebly.com/uploads/1/3/4/5/134592541/4320451.pdfIn PDF document text
- https://cdn.sqhk.co/zajagatetode/ik0F6MU/minecraft_zombie_apocalypse_survival_map_1._7._10.pdfIn PDF document text
- https://xulewanexu.weebly.com/uploads/1/3/4/1/134108589/3872123.pdfIn PDF document text
- http://tokivaburag.22web.org/how_to_remove_a_trustee_from_a_trust_nz.pdfIn PDF document text
- https://cdn.sqhk.co/vovewotutal/oihidjf/pwc_cyber_security_newsletter.pdfIn PDF document text
- https://sujofunipus.weebly.com/uploads/1/3/4/5/134502209/173081.pdfIn PDF document text
- https://cdn.sqhk.co/vewukiziwemi/ifhdjfh/dynamons_world_game_24h.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490953/normal_60379f6dce3f6.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4383804/normal_5ff38149463f2.pdfIn PDF document text
- http://difuwikikum.iblogger.org/pimijejut.pdfIn PDF document text
- https://kojovade.weebly.com/uploads/1/3/4/6/134681743/8246d.pdfIn PDF document text
- https://napuraviseso.weebly.com/uploads/1/3/4/3/134322211/d72deaf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4471106/normal_601ef96e99181.pdfIn PDF document text
- http://jusibebobekig.iblogger.org/xanunen.pdfIn PDF document text
- https://cdn.sqhk.co/malevevipali/98hedjc/21648877050.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://d64d5b41-a66a-4b78-b87f-0feaf8e9cf76.filesusr.com/ugd/cf1aed_dadbe9566bec4ec5abbca291e94b7fb9.pdf?index=trueIn PDF document text
- https://592908bf-dd96-48cc-88d9-ffebbdd10d84.filesusr.com/ugd/f34823_af8df763666447cc917b91499b79242f.pdf?index=trueIn PDF document text
- https://1527c8d3-3321-4e9f-872f-e2bebb57bac2.filesusr.com/ugd/bf2d42_abeec3d1055f48d9aac460939cc3324d.pdf?index=trueIn PDF document text
- https://c83cbd6e-a134-4b49-ba12-49f24c654ad9.filesusr.com/ugd/904a8b_08ad258c070e4fb2b377ebecc3ac723f.pdf?index=trueIn PDF document text
- https://0ea28b16-58c2-472d-b6be-3e97fe9b7bb6.filesusr.com/ugd/696b8a_56a72e015a1b475496a33bc176ceb243.pdf?index=trueIn PDF document text
- https://425e2ee7-996f-4c6d-a593-b44a2a39b733.filesusr.com/ugd/bb05c1_e550572d794a4a01aea3de9b3191ddea.pdf?index=trueIn PDF document text
- https://ad9e3d1f-bb22-46ca-892e-b6aa3325a756.filesusr.com/ugd/837d34_60d63045c6b84d3fa8714dfea18f01b7.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_off0000ed06.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED06 | 4852 bytes |
SHA-256: ba67e1bbceab8b8e96bb14b38dfaa956dab799803482f7dd9d36a7d6cbc4e4f6 |
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font_01_sfnt_off0000fd9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD9D | 11184 bytes |
SHA-256: b70bb09a38432ca2675770792aa4150b7bb6272737e9808049926cd3a932276e |
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