MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
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 0.9993
Heuristics 5
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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 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=kin+prefix+meaning+biology PDF link annotation
- https://cdn-cms.f-static.net/uploads/4449417/normal_5fd28088da097.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393349/normal_601b4464446cf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409403/normal_6042ff1435af1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366659/normal_60513c9d73a89.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4492574/normal_6052b5e42fc2a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403820/normal_6051f244b3381.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414494/normal_603a1747c45dc.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4368485/normal_6001528d2e7dd.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4383687/normal_5ff7e89e31161.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://4c6480a9-ccec-4c20-853c-cc48681c44ad.filesusr.com/ugd/935adc_1afdddc0c1064ed78250177b60de7f3a.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/3dafbed5-6486-4476-a06c-c59d227368ce/gorizimivozujamogarawo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7db9bd8a-e02e-437b-8a19-b1a0ccebbc40/what_does_a_pivotal_moment_mean.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fa8a8b37-280e-4569-9a6e-fafb00c659a8/javozip.pdfIn PDF document text
- https://8c330184-3457-40de-b162-e34763a77ed1.filesusr.com/ugd/0aae61_ea4d22dbc3894759a2f28a753ed27d31.pdf?index=trueIn PDF document text
- https://7be326e9-a1fd-4761-a84c-83c904220737.filesusr.com/ugd/37e945_4b05059849d043daa25d6c6cf23d4d0c.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/4efacc8a-6d1f-436d-956c-7a738f8942bc/butetekad.pdfIn PDF document text
- https://3f735f5a-cd1c-4288-bd93-adeff6e084d9.filesusr.com/ugd/bcc0e4_5a6d6029ed024d4586ead433d72cff0a.pdf?index=trueIn PDF document text
- https://6363ce23-9394-4102-a476-7be320345719.filesusr.com/ugd/7c41c1_ac406dd714fd423b902b39747520dce6.pdf?index=trueIn PDF document text
- https://fe426b01-1dd0-498a-b08e-7ec37e320b94.filesusr.com/ugd/6b45f0_5c1cfa57ee964e199bc045a62dc25d9c.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/536fd3c3-8576-4628-8fa3-2198541c35d8/how_do_you_fix_automatic_locking_hubs.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c2b4025c-f89c-473c-b216-95ce536ac3e7/why_do_foreign_companies_list_on_nyse.pdfIn PDF document text
- https://ba85394b-11ac-4ca4-926b-74ca936c52e1.filesusr.com/ugd/5ccfc8_81d79b9ca549447f924e490199b9b130.pdf?index=trueIn PDF document text
- https://a22c3535-4c29-4f26-bf6b-1e631d3648e5.filesusr.com/ugd/28986c_9cf0604e246e47ed8f9cd9dcbd0bc3fa.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/cc282c4a-c555-4180-be13-0a7b6e137504/mindfulness_coloring_book_free.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_off0000f5b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5B9 | 5324 bytes |
SHA-256: b1113c1acf258d3e87bf181541fb8bce70d619f7ccb5b565b3e06a67195e06a9 |
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font_01_sfnt_off000107d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107D0 | 10780 bytes |
SHA-256: 1f622149ef4c9d0f6cad14a52b28edeb371f462be0f033cb074760b12c762ec6 |
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