MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, a common tactic for SEO poisoning and phishing campaigns. The heuristic 'PDF_SEO_LINK_FARM' and the presence of many URLs, including one pointing to 'soxebez.ru', indicate a malicious intent to redirect users. ClamAV detection as 'Pdf.Phishing.Trojan' further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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/wix?keyword=tv+guide+caldwell+idaho PDF link annotation
- https://cdn-cms.f-static.net/uploads/4491159/normal_602adc63b8375.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4490272/normal_5fe3a5c99c3c1.pdfIn PDF document text
- http://sesapoleva.22web.org/example_of_a_school_psychological_report.pdfIn PDF document text
- http://ditulut.iblogger.org/sagumatijokul.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4385012/normal_5fc6df3e40d38.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://90ff81fc-98d9-4e53-96a3-aaa5c1c2042e.filesusr.com/ugd/bb5aff_1fb86a51955f4039a891801492fa6432.pdf?index=trueIn PDF document text
- https://c18d7360-3707-4bf1-9d6f-52ba7510fa17.filesusr.com/ugd/76cb06_79d45e8188ad45f2875a3da79e018d9a.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/79abbd9c-3e64-4b74-b0b3-a011a51d72e2/movie_maker_apple_app.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/14d132a8-a72b-4bdb-ada6-9c6e75542994/ruwevik.pdfIn PDF document text
- https://9e730ba1-499c-413e-9a09-8a81f8121270.filesusr.com/ugd/0a0016_43e5ccc05d7b419399659515c9858154.pdf?index=trueIn PDF document text
- https://5053e88e-9e18-4719-890c-32a1cca0295d.filesusr.com/ugd/411503_cc7b2102de8b494a98037e399a6e8861.pdf?index=trueIn PDF document text
- https://05491ccc-77c7-428b-9c25-74f2c6c50d4a.filesusr.com/ugd/d51d36_fd3ea459628b4c8db25306d089b7d075.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tesapibebujep/apostila_administrao_de_empresas.pdfIn PDF document text
- https://s3.amazonaws.com/nafibanefexex/42435980606.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/db8b85a9-5d77-420b-8232-59d5b04d3919/votefugazasoxagekososono.pdfIn PDF document text
- https://2e5cbe44-7de3-4e3f-b94c-8a8567814465.filesusr.com/ugd/f96b02_6533987b4e974bc2b43108d99d4167c0.pdf?index=trueIn PDF document text
- https://c064424b-11a8-4e39-a524-24a74bcd733d.filesusr.com/ugd/54e393_868ae8bec1a0405cb0cacaf57e02f452.pdf?index=trueIn PDF document text
- https://25f35837-e8ad-4357-b490-8f69bec4165a.filesusr.com/ugd/96c61c_0101a2b2fb9242689265f72693c5d00a.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/libusamagowuvo/82292819486.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_off00015b37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15B37 | 5028 bytes |
SHA-256: f37879ef6aaf7a5589a7f0c145f3e1885a928f50a28c524c1fb51a37f7f90ed4 |
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font_01_sfnt_off00016c69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16C69 | 12632 bytes |
SHA-256: f677a215bd58020d9ab9416cc1d65ffd6d4cadffdee7d1002e1faa376db96226 |
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