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 0.9991
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://soxebez.ru/strik?utm_term=jawbone+big+jambox+bluetooth+not+working PDF link annotation
- https://cdn-cms.f-static.net/uploads/4375087/normal_600e02555d45b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408707/normal_5fd8319da9175.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4474231/normal_5fef3c2d05e7f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366627/normal_60466f580a8e6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4462036/normal_601c89cd7587e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374686/normal_606769d8de54a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4495860/normal_601802c6254c3.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4428331/normal_6003ff1497e82.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4446925/normal_5fc8d45eee5eb.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://527ed197-5826-4432-9c89-449afa9d705e.filesusr.com/ugd/65ef70_bae5a654deb24e57a9de4529b2bd28dd.pdf?index=trueIn PDF document text
- https://26f2e344-8444-46ea-90c9-5a893bcc2fb3.filesusr.com/ugd/b8c837_bda12d03f24b4a0e99b098b41165a7b0.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/288082c2-cd0f-4044-976f-2a84d3631a23/21359694324.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c8c72018-7f8f-4639-a6ee-af475d40ed45/what_is_the_newest_ipad_mini_model.pdfIn PDF document text
- https://4c2674ec-1430-4cec-a455-d6a35d10586e.filesusr.com/ugd/38955b_dd15dcf5a50f4f839da3642e1796bc73.pdf?index=trueIn PDF document text
- https://c8070bf9-ed42-4c5d-8eb8-ca35ee70f136.filesusr.com/ugd/d38238_bf182f12edcd4a75997755e6a87500d0.pdf?index=trueIn PDF document text
- https://979cd01f-16ea-4d2c-b189-234964c95597.filesusr.com/ugd/d4c4cf_17cb7bd44521419186da4712d98cdfa4.pdf?index=trueIn PDF document text
- https://148d48ef-a78d-4e34-a4d2-755cfbac042a.filesusr.com/ugd/ccca9b_de9bf4af52d64fa69d624c1fd8e82596.pdf?index=trueIn PDF document text
- https://76a725e8-946c-4ae9-9249-cda469d35108.filesusr.com/ugd/83c8cc_19a962eac7db487b90b19d8297dfd63d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/dafc6f7d-9050-4ed0-894b-02bd69ccb5e8/michigan_medicaid_provider_manual_2021.pdfIn PDF document text
- https://254b3b0b-79dc-4992-827c-fd4bb3db3178.filesusr.com/ugd/f515ca_01956d20892441e7a6062274ef2208c0.pdf?index=trueIn PDF document text
- https://13fad4bf-7224-44b3-802b-16842e97d241.filesusr.com/ugd/b14664_4ccea90b3fce45e5bbb5c5a2b11edde1.pdf?index=trueIn PDF document text
- https://4ef57e19-9a2e-4e6f-a444-f6b59f982a39.filesusr.com/ugd/4c1554_7e40580ba7f147fba3b0b220ac8179d9.pdf?index=trueIn PDF document text
- https://53f03ce6-db0b-4f41-9bfc-6956ba41e1f4.filesusr.com/ugd/727e0f_b6866b041f894741a4ed7b57676f419f.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/c8595e00-5881-4708-8126-265b3165d95a/how_to_diagnose_my_check_engine_light.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_off0000e602.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE602 | 5348 bytes |
SHA-256: fde6dcba31a40e4c70364b9359d349ff62b07bf9a0a88ed8f6f8494ada7419ce |
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font_01_sfnt_off0000f828.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF828 | 12100 bytes |
SHA-256: 0a2fc33da24d73d478924ade4a10a074ccb6a8762446ca11e30bbd0ea6f8ab67 |
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