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 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 0.9964
Heuristics 5
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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://xajibur.ru/strik?utm_term=keys+inc+purchased+100+shares PDF link annotation
- https://cdn-cms.f-static.net/uploads/4404133/normal_5fd26e6d4ea85.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417128/normal_605973b17085b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4483842/normal_603f49710372f.pdfIn PDF document text
- http://lunatan.medianewsonline.com/convert_keynote_to_powerpoint_in_windows.pdfIn PDF document text
- https://kiziwovoxapi.weebly.com/uploads/1/3/4/6/134617524/3672976.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4384831/normal_5ff7dc89d38e4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384155/normal_6017d8571ffec.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373997/normal_5fd0a4c534446.pdfIn PDF document text
- http://levotavo.scienceontheweb.net/wunofajoma.pdfIn PDF document text
- https://matopudalerem.weebly.com/uploads/1/3/5/3/135318895/ef202cec60e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450356/normal_600a5ed4560f4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4405208/normal_605d6844db3c9.pdfIn PDF document text
- http://tamogulaganero.scienceontheweb.net/que_es_la_caries_dental.pdfIn PDF document text
- http://leludezoz.scienceontheweb.net/41803394683.pdfIn PDF document text
- https://nebofubegifeso.weebly.com/uploads/1/3/1/4/131437549/nukukujibo_zufegavedapizig_fubipugevinuxa.pdfIn PDF document text
- http://manamuposa.getenjoyment.net/josibesobakinevinokulov.pdfIn PDF document text
- http://winatesef.sportsontheweb.net/35962838036.pdfIn PDF document text
- http://xajabuzowa.scienceontheweb.net/abordagem_classica.pdfIn PDF document text
- https://letobepep.weebly.com/uploads/1/3/0/7/130740206/3ac1b3aab8c370a.pdfIn PDF document text
- https://kigimijufofudiv.weebly.com/uploads/1/3/5/9/135977026/47ca170e00.pdfIn PDF document text
- http://zujadise.scienceontheweb.net/garmin_forerunner_305_heart_rate_monitor_not_working.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://davofunup.onlinewebshop.net/online_marketing_process.pdfIn PDF document text
- https://9505ca4c-dfdc-4941-8fde-ded35496d0c9.filesusr.com/ugd/2097ab_41f5f7e52ecc4fc08bdd26660c493e92.pdf?index=trueIn PDF document text
- https://cf4de027-7369-46c2-bf93-d69cabef2b5e.filesusr.com/ugd/868b90_81003aa8c53443f4aa1845ebc9d13385.pdf?index=trueIn PDF document text
- https://f11c4bf2-12a6-49f8-9590-07a94b689168.filesusr.com/ugd/11276f_f24ed91f323d438d9d4e75fe36f6a235.pdf?index=trueIn PDF document text
- https://e31b828f-dd5d-4b35-abba-5777d5fc2ed6.filesusr.com/ugd/56a8cc_ada9b4ca73ba4b9f942452e1d1ff5776.pdf?index=trueIn PDF document text
- http://seroritubofa.atwebpages.com/65540258782.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_off00012b89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B89 | 5396 bytes |
SHA-256: 0a0902baaab8db3a8febf9441056a39a5c4513c6639a49830939e55233fc3d7c |
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font_01_sfnt_off00013df1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DF1 | 10692 bytes |
SHA-256: 546d7890fe064f87ed8065e7e8239b4ec07e0e47c29bca076103eafd3d6a407d |
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