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 0.9996
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://vilenefex.ru/wix?keyword=5+minute+journal+deutsch+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4447079/normal_60483d77c6c27.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4503387/normal_600880053cfbb.pdfIn PDF document text
- http://digitalmicroteter.xyz/chicco_keyfit_30_double_stroller_reviewmijuv.pdfIn PDF document text
- http://getallcreditscores.info/digilaxamasusolivhslu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369646/normal_602c2c703c036.pdfIn PDF document text
- http://iwhite.space/risesobug5amau.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4484631/normal_5ff771c0ab07c.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/9fe764d4-5bc4-4f47-b062-dcfb93d7510a/67951064711.pdfIn PDF document text
- https://b01cffea-7a05-49e8-9781-04202a21c04b.filesusr.com/ugd/d5d855_062950b3224e4250a46b091cc3144404.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/2b5eaa30-67eb-4e7e-b619-bbf5dd7f238a/71439487083.pdfIn PDF document text
- https://6c71f620-b6e5-46cc-9e58-526c5f0a7a41.filesusr.com/ugd/1c90dc_d1acd90203b34c9d9684decba017733d.pdf?index=trueIn PDF document text
- https://fb075467-9d00-46c6-93ac-2b777f5e584b.filesusr.com/ugd/8bcd66_6489dd57496146d38cf4829fe4e1f8b7.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/53fa31a8-e132-4fdf-8581-fe2dad811d5e/lowes_foundation_grants.pdfIn PDF document text
- https://f579be4a-c2ec-451d-94ee-532237c06880.filesusr.com/ugd/9f6a24_a095b467ce5b447db1b3071e722ef28f.pdf?index=trueIn PDF document text
- https://ac25a69f-a984-4293-9c3d-8c9e0f062535.filesusr.com/ugd/cbf077_2d7d621f9a374753b4f53c3cf700a800.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/4b868272-813f-4e1a-90d2-3402edb441a2/65563160483.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4ce521e7-c81f-4786-96b4-2851bc0354cc/tp_link_wr841n_change_admin_password.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0ddbff27-6caa-4bff-bf3e-15b72f7e800b/how_to_wear_ergobaby_360_cool_air.pdfIn PDF document text
- https://460eb545-5389-4aa9-9e78-d1074a8bca0c.filesusr.com/ugd/21a131_3006e26e0e6547c2978155c6a687adcd.pdf?index=trueIn PDF document text
- https://61249681-e2d1-4375-841a-b3723294d79c.filesusr.com/ugd/3d514e_f9019a7e62284ca691adf44635ef7d66.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/9d1fc9f2-2c3b-4ca0-ade3-c4a938eb0522/physics_wallah_fluid_mechanics_06.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f2295ca4-05c2-45b4-a3e4-de429503641d/43423524942.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_off0000febf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEBF | 5500 bytes |
SHA-256: 112d91129f588fd7a2eea29f01aacbabce027ab20302adbbaf0483e8a61b4369 |
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font_01_sfnt_off00011149.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11149 | 11588 bytes |
SHA-256: 982f79c5eee5c67972702176c544c99fef3ee87a3130e8cff4833dca5bb78e72 |
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