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, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous external URIs, with a primary suspicious URL being https://baarspo.ru/123?utm_term=platformio+using+arduino+libraries. The document's structure and the presence of many external links suggest it is designed to redirect users to potentially harmful websites, possibly for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://baarspo.ru/123?utm_term=platformio+using+arduino+libraries PDF link annotation
- https://static.s123-cdn-static.com/uploads/4419640/normal_5fe0c200cfdb5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4494138/normal_601c7a31cb967.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4387428/normal_5fe5d7c30e026.pdfIn PDF document text
- https://luragelekow.weebly.com/uploads/1/3/4/3/134377287/0e6f9.pdfIn PDF document text
- https://sivevaredewiw.weebly.com/uploads/1/3/4/4/134464028/a492c47.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4454678/normal_6005e9dc8ee30.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4491927/normal_5fed81ff81683.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/3dbbdefc-e563-4f10-8d86-605081463766/how_many_different_species_of_praying_mantis_are_there.pdfIn PDF document text
- https://7980b0ff-2efe-48f4-a442-6c87bca80713.filesusr.com/ugd/9bd8c3_4b036b9f581f4155adf5af93afedac99.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/82d71dc1-970a-45fc-9abd-47f2f2d666a0/sukasitidigiwasetopo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/910e24f2-45be-4bf5-a62b-536b0c06f003/modetoreroji.pdfIn PDF document text
- https://0aa989e7-076c-475f-bc22-fff5ae310860.filesusr.com/ugd/b44be6_1634d04614af4cc185e6acb2483701c6.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/df6109d1-d0d5-4f19-951f-09a29b2d7cb5/kojagukovodejebobaxezu.pdfIn PDF document text
- https://48b7024d-7414-4593-b44d-ed892b96ad15.filesusr.com/ugd/3e5db3_4862e3082b2d481a8166a8121c730808.pdf?index=trueIn PDF document text
- https://9764c975-acb6-4bd5-a3ff-b1f4624bc9bc.filesusr.com/ugd/5bcb7b_5407f645e64c4d4ebdf77bc19f4515a8.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f6ee62d6-1ba1-4f02-866f-db012d840911/rolufan.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/84b807dc-590f-4518-90ec-f1c1387c632a/how_to_clean_grimy_carpet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f83be51b-a32d-43d7-8264-09d44902b950/92818544719.pdfIn PDF document text
- https://19aaccd0-9772-41b6-85c4-be118606641a.filesusr.com/ugd/a12125_a31d8b6e24eb44cc8070635cdd9219a0.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_off0000e98b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE98B | 5368 bytes |
SHA-256: 84b86ae2c7d1ff21cbe2297fbbedf3c4f00ecd7b4f04c363cdfbb69b87bf81f0 |
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font_01_sfnt_off0000fbb8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBB8 | 11316 bytes |
SHA-256: b3a58302f1e1cb3f1155831bb4aebc721362f8064158d20a28f7137e7c6743b4 |
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