MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by ClamAV and an ML classifier. It contains a large number of external links, many pointing to disposable domains, suggesting a link farm designed to redirect users to potentially malicious content or phishing sites. The presence of external URIs and a link farm heuristic indicates an attempt to leverage external resources for malicious purposes.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://midufefew.ru/strik?utm_term=asp.net+c%2523+visual+studio+2015+tutorial PDF link annotation
- https://cdn.sqhk.co/monazaxumol/icibjfG/the_fate_of_wonderland_romance_otome_game.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4414868/normal_5fe137f2d70e8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4456420/normal_603ceb9bbba7a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409623/normal_60120957c944c.pdfIn PDF document text
- https://cdn.sqhk.co/fegojujor/9hcAwgf/my_block_cast.pdfIn PDF document text
- https://xidumalebuwun.weebly.com/uploads/1/3/4/8/134894794/9663840.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4412588/normal_5fff5a7113b0d.pdfIn PDF document text
- https://lexawuvake.weebly.com/uploads/1/3/4/6/134610488/580c74ed166b.pdfIn PDF document text
- https://cdn.sqhk.co/bubiwalifeda/aiaPhjs/calculator_soup_decimals.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408004/normal_60131aaf6d134.pdfIn PDF document text
- https://cdn.sqhk.co/dovawowo/enBLN5Q/febivo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366381/normal_5fd7db7636908.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416514/normal_605a4ec8eaf4f.pdfIn PDF document text
- https://cdn.sqhk.co/tiwefuxab/b8XjeJP/dimatipim.pdfIn PDF document text
- https://musisemikalig.weebly.com/uploads/1/3/4/6/134694348/zawuxurubitid-xipurevedutitu.pdfIn PDF document text
- https://sebipujo.weebly.com/uploads/1/3/5/2/135294987/poruge-kexetoje-tijoni-sumurutozu.pdfIn PDF document text
- https://xefezabegeritaj.weebly.com/uploads/1/3/1/3/131379478/4893642.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365652/normal_601bd103a127c.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://21319658-e817-4d6a-846f-872ccfe0f0c2.filesusr.com/ugd/982af2_3c0af81060bc4e81871359b506a85423.pdf?index=trueIn PDF document text
- https://b585a76b-fab5-4024-b0d2-f3ad95444197.filesusr.com/ugd/404203_165de928100a43ccb2c5228f57628d84.pdf?index=trueIn PDF document text
- https://466f9527-ada3-48b4-ac0c-4ba5546996ca.filesusr.com/ugd/a4b6b9_16e38dbc7de141cd837f9eecaec054c9.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/fukepez/pdf_splitter_apple.pdfIn PDF document text
- https://s3.amazonaws.com/petuzutemixuvod/spray_and_pray_cheat_sheet.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_off0000f550.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF550 | 4612 bytes |
SHA-256: 2894689181047d79d5dd45b49792f8f50df100e07540091f2e8bf019894dad31 |
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font_01_sfnt_off00010522.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10522 | 10792 bytes |
SHA-256: efb2b587bbfffae4073c3a4e5e8d3a954971179b04ff2fc33b81867fff68c7d4 |
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