MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
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 0.9997
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://zajinet.ru/strik?utm_term=d%2526d+5e+player%2527s+handbook+download PDF link annotation
- https://cdn-cms.f-static.net/uploads/4374185/normal_6033be8e7738f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4465555/normal_5fc950f783ed5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420612/normal_6013dd31bf637.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385435/normal_602b4c8a82bcf.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4489035/normal_60020358b18b6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369304/normal_60216afae6d9d.pdfIn PDF document text
- https://cdn.sqhk.co/fapolokid/GPijuiI/catchmaster_insect_trap_and_monitor_instructions.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4456119/normal_6028e860bd1b5.pdfIn PDF document text
- https://cdn.sqhk.co/sowotewope/sjeGkgh/versace_chain_reaction_blue_white_red.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4377925/normal_602e80f6c14e0.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://4adff18d-dc39-4349-be2c-eeb12737f1cb.filesusr.com/ugd/9117e0_e83a12448c5849219e996342971265a0.pdf?index=trueIn PDF document text
- https://4095172d-bd2f-4181-91d7-dd424e653400.filesusr.com/ugd/df73ab_cf93f7ad11c141538f9f3470d3147455.pdf?index=trueIn PDF document text
- https://50fe66f1-00be-429c-ab6c-57a9f80d6ab9.filesusr.com/ugd/39cb9d_0e053db690da4f7e9e9c3486fba95db8.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/76da98d8-b7c5-4084-807e-a08090f171a9/324569942.pdfIn PDF document text
- https://s3.amazonaws.com/gekixadonuru/kapawofedodami.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cd65c2b0-d246-4fe0-820b-b0f9d8100320/ashton_drake_baby_dolls_katie.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/760f8449-d012-464d-8f0a-306ffee34277/zolugilugavasavek.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3f1e2912-912c-4a18-b1e9-db808698fa24/metodologa_de_la_investigacin_cientfica_libro.pdfIn PDF document text
- https://f770b3d7-c897-40e0-9323-5ad0abd91552.filesusr.com/ugd/1fa6dd_e7b77079099747f09d7f88b6bbc7810f.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/patilawasu/kulilapewokoxaketogepumar.pdfIn PDF document text
- https://s3.amazonaws.com/lorerexeg/xunadabizezaw.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_off0000f928.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF928 | 4156 bytes |
SHA-256: 7b9a78bc71d00e4bcff8473d51fc82c270a18144a13d22e5cfd906eda86eaada |
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font_01_sfnt_off00010756.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10756 | 12468 bytes |
SHA-256: 638cdb9c0e38a6b4360a9382f761616df41710b78ae81b873324e6644b338437 |
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