MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of external links, many pointing to disposable hosting, suggesting a link farm designed to distribute malicious content or phish users. The primary URL, 'https://seumenha.ru/award?keyword=datasheet+555+pdf+espa%25C3%25B1ol', is presented as a datasheet, which is a common lure. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://seumenha.ru/award?keyword=datasheet+555+pdf+espa%25C3%25B1ol PDF link annotation
- https://cdn-cms.f-static.net/uploads/4388827/normal_605f43cd40b1e.pdfIn PDF document text
- https://pitulero.weebly.com/uploads/1/3/2/6/132683003/5982584.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4455907/normal_601fff595ec33.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4405674/normal_602090eab53b8.pdfIn PDF document text
- http://stroy-level.ru/vakukatugufakaxeluxebktvrn.pdfIn PDF document text
- https://fogakorix.weebly.com/uploads/1/3/3/9/133997140/570902.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403129/normal_602b8aca6e08f.pdfIn PDF document text
- http://sochi2026.com/how_long_to_fall_200_feetcxqu5.pdfIn PDF document text
- https://zoparimunafixi.weebly.com/uploads/1/3/4/3/134336740/xozupamuxigaw-sobokura-jisivok-vuzufakarokiwe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383147/normal_603c4b1022ea3.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://fa202315-5cd5-4006-9a99-7c5d4406650e.filesusr.com/ugd/61804c_8e7fc57c7d424d8da4afdc3a24f987c3.pdf?index=trueIn PDF document text
- https://2178e3ec-2e0a-46e0-af35-d8a6fdfeb21a.filesusr.com/ugd/c411cf_54bce98ed87a4628a4c732f405ecdb21.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/9cbe54ef-b68e-4ab6-b847-1326b8e0a109/yamaha_av_receiver_model_rx-v671.pdfIn PDF document text
- https://s3.amazonaws.com/kewuxejikiwe/lobezigema.pdfIn PDF document text
- https://s3.amazonaws.com/wemupajese/pevuzamutizazexamig.pdfIn PDF document text
- https://s3.amazonaws.com/gavapozalilup/depazitogelubimurogiw.pdfIn PDF document text
- https://6c8027e1-9878-41b3-a9ef-32ba2b6bcd02.filesusr.com/ugd/185811_92bffc8cda0a4151a32e6e35133f7793.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/eb2ac7a2-5cbd-40a9-982f-64b8a3eb2f92/city_mini_gt_double_bassinet_adapter.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f4c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4C3 | 6372 bytes |
SHA-256: bfb4b448a94cfeb3a03c50b47108a60a0dcdc5adbda7bcc4db2388333159062c |
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font_01_sfnt_off00010ad5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AD5 | 5368 bytes |
SHA-256: b1913a2278f52d5e0daea08d87b21c79b35cceb2478342f315a37fb7964f9da8 |
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font_02_sfnt_off00011ce3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CE3 | 15988 bytes |
SHA-256: ed06a35fc90ad53ada0f0c991ce90206ef907ac24abeb18dff40b78c5163887b |
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font_03_sfnt_off00014ef1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14EF1 | 16320 bytes |
SHA-256: a48b522f51d75a837605ad18a0e3f6ed9e681ad903ef8b32710d7c9cf5d8211e |
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