MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, identified as a link farm. The primary URL, https://botokaw.ru/award?keyword=time+value+of+money+chapter+pdf, suggests a lure related to financial topics. The heuristic PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM indicate a deliberate attempt to create a network of links, likely for SEO manipulation or to distribute malicious content. The ML classifier and ClamAV detection strongly support its malicious nature.
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://botokaw.ru/award?keyword=time+value+of+money+chapter+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4424347/normal_604ba5b64af04.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4472775/normal_600b995360e6e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465400/normal_601a2a2894937.pdfIn PDF document text
- http://kotowis.22web.org/king_arthur_full_story.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4392474/normal_605fba02b9d05.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490116/normal_6029946ee3006.pdfIn PDF document text
- https://cdn.sqhk.co/zupololano/EjgI3Bz/59210568022.pdfIn PDF document text
- https://cdn.sqhk.co/bujasugawo/bbheNIm/usps_thrift_savings_plan_forms.pdfIn PDF document text
- https://cdn.sqhk.co/depadukat/Fgggesd/dupujir.pdfIn PDF document text
- https://cdn.sqhk.co/xukigipeduve/gxTgehc/38581233210.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://436c154b-1c2d-4c60-9768-ed3a268ef5e1.filesusr.com/ugd/e8e253_9875efd7e5f346d7ad180d18a7c02330.pdf?index=trueIn PDF document text
- https://2a4065d7-883d-43e8-a524-7ce9aa4b4e88.filesusr.com/ugd/ccb1c6_c02de086b2f34dd1897aa8a28aa63230.pdf?index=trueIn PDF document text
- https://979cd01f-16ea-4d2c-b189-234964c95597.filesusr.com/ugd/d4c4cf_60cab996766943369b32cc35dda87f64.pdf?index=trueIn PDF document text
- https://5548a280-a194-4776-8019-0e256783c1fa.filesusr.com/ugd/f2c1dc_1f822a1e9cb94732a3d74d09bdaad772.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f32f448f-0c3c-4203-9b42-8c626f02a499/61618826607.pdfIn PDF document text
- https://2c9641c8-5874-4869-9b94-f1378e60aa6b.filesusr.com/ugd/efc1f6_c573b8732a2441279410b8ed174388f2.pdf?index=trueIn PDF document text
- https://f0f855fd-29d2-4bf6-9fdd-af1de8d1f91d.filesusr.com/ugd/184831_24801a0c2022408882cf2423668c11cc.pdf?index=trueIn PDF document text
- https://a7da3e60-63c8-46c1-a846-eab7df628ed2.filesusr.com/ugd/bba345_3038c43008dc4cb7bc300ccdf29382c8.pdf?index=trueIn PDF document text
- https://c09438b0-f1cf-4ade-afa2-d322e048c450.filesusr.com/ugd/313cc6_d5aa916796b2492e9336444455e62f6b.pdf?index=trueIn PDF document text
- http://watibox.epizy.com/70060249678.pdfIn PDF document text
- https://a161ff94-1a6f-4367-b6f8-8e513a5e676d.filesusr.com/ugd/4c7633_68a600a86e424025a743297a3dbf1f68.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/ea63430e-c50e-4ced-b7f3-94dcb54eea1d/scary_stories_to_tell_in_the_dark_alvin_schwartz_free_online.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_off0000ee6c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE6C | 5328 bytes |
SHA-256: ad4d7c3ec090e6c33e22b0374fd9fbfe3d3f9788baea4618138c97b88e8ac001 |
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font_01_sfnt_off00010070.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10070 | 10700 bytes |
SHA-256: 125e7c5fbf83a13b53e3f8f0a2ccbe9ba252653d3924b9254ed5e1bba8946dab |
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