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://leonvi.ru/123?utm_term=brokerage+house+report+meaning PDF link annotation
- http://lufadevoza.22web.org/steps_of_accounting_cycle.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://f26e6bca-ce10-4524-9610-ed5ef7c8d48b.filesusr.com/ugd/ac8c68_cc53bfeae6e542fda2a461a6b57c5484.pdf?index=trueIn PDF document text
- https://f79c4d19-9b07-4ca9-ba82-4f938217db57.filesusr.com/ugd/c0d3e8_46cec4a1352544ea96c3f158911d1e65.pdf?index=trueIn PDF document text
- http://bufirapopedodo.rf.gd/how_to_repair_a_window_ac_unit.pdfIn PDF document text
- https://s3.amazonaws.com/timituvupame/19775627454.pdfIn PDF document text
- https://c03439ef-6557-4199-865e-586791a52b6c.filesusr.com/ugd/6bb4a2_3082eec5d041422ab8ab2f2d0dd4647b.pdf?index=trueIn PDF document text
- https://7f1888b6-cdab-4603-9914-1cf81a8b29aa.filesusr.com/ugd/6846fe_8d7c3ec42eb44eb1962b92aeb6f8a6cd.pdf?index=trueIn PDF document text
- https://f904ef53-caa1-4f0f-8a97-c50675c03ece.filesusr.com/ugd/2f8cea_9d78d3c7a34449f7bec2839198b32916.pdf?index=trueIn PDF document text
- https://a3720f92-bdaa-4449-a3ff-14f36884d2d5.filesusr.com/ugd/afadc3_7265394ee1634e1590047af03afc50fc.pdf?index=trueIn PDF document text
- https://69a21580-3c80-4f81-8097-1ec0bc18215d.filesusr.com/ugd/bd7df1_462bd3c6b7bc4e36b7c5c6d3e3a5dc2c.pdf?index=trueIn PDF document text
- http://titomozuluvexov.epizy.com/avanza_g_2014_manual_jakarta.pdfIn PDF document text
- https://s3.amazonaws.com/wibedubosateg/varoxotupuwekat.pdfIn PDF document text
- https://d451e762-8e00-4155-9971-9512d28d2528.filesusr.com/ugd/b52961_952a01c603a94ada821d49ef17cdf2ab.pdf?index=trueIn PDF document text
- https://68f2566a-c586-4d15-a5d1-3a72044c38f3.filesusr.com/ugd/ecec20_e4cc8ef7cd2346ca8f41668859905ce7.pdf?index=trueIn PDF document text
- https://18aefb47-0221-41c7-ace0-4f78eb33e730.filesusr.com/ugd/bca722_6c269f44df9b4d0a942ddd552a45f4db.pdf?index=trueIn PDF document text
- https://6b137298-3864-41c5-aaa3-11744000c3c2.filesusr.com/ugd/b916f4_eb9b4ffc3b9c4c0d92ce4159d797780a.pdf?index=trueIn PDF document text
- https://c1908cc8-b41e-4b5b-ab1c-53d28a7f2745.filesusr.com/ugd/913720_1f38ebdb4ec747dd9abc6aa57a1ef391.pdf?index=trueIn PDF document text
- https://e8f98835-b194-42a5-b43f-fe2f29920dd6.filesusr.com/ugd/bf650e_a76cd25a16e84fd581a03ba00d1b1ba0.pdf?index=trueIn PDF document text
- https://7f03322d-63d6-449b-a8c2-a80beffeb2b6.filesusr.com/ugd/2994dd_ca7a6b86f3894159893e08d58bc53745.pdf?index=trueIn PDF document text
- https://f2fffe36-c7b4-4b88-9608-518dc6c14750.filesusr.com/ugd/950b2a_2e529c1cda784c52b7e44fa98fc4fb2b.pdf?index=trueIn PDF document text
- https://d12d056d-c16f-42d2-bb36-b12dbd13f8e5.filesusr.com/ugd/a2005d_f68e4e352f6146c09330a35c02427cd2.pdf?index=trueIn PDF document text
- http://setobefo.epizy.com/figodefu.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_off0000fd8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD8B | 5316 bytes |
SHA-256: e924f1feef3657cccc82ab96dbd00993b0dd17d8ac0fef2348060b0af10a2634 |
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font_01_sfnt_off00010f7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F7C | 11056 bytes |
SHA-256: 7b7bf50031e7bdf464da2e68a6c255c34ed10d00ad7ae0ddd4848f139dad3ea4 |
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