MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous embedded URLs and is flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. The document body, though heavily obfuscated, suggests a lure related to 'Michigan medicaid number lookup'. The presence of many external URIs, including a suspicious one pointing to 'seumenha.ru', indicates a phishing attempt to redirect users to malicious sites. No scripts were extracted, but the overall structure and heuristic firings strongly suggest a phishing attack.
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://seumenha.ru/strik?utm_term=michigan+medicaid+number+lookup PDF link annotation
- http://geloritiveda.mygamesonline.org/41440059811.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393029/normal_605fe019d076f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4457849/normal_5fdebf9778089.pdfIn PDF document text
- http://ritegifufefut.scienceontheweb.net/all_about_me_in_spanish.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4391335/normal_604dcf555da3f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4473053/normal_5ffd58ada07f2.pdfIn PDF document text
- http://lonotel.mygamesonline.org/aratinga_canicularis.pdfIn PDF document text
- http://gejurabek.getenjoyment.net/atrial_septal_defect.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/805c5c31-5393-4fcc-adde-499bab181f66/46730186830.pdfIn PDF document text
- https://s3.amazonaws.com/fidefofudi/xusewepesafowonebegasigap.pdfIn PDF document text
- https://cccd2283-d272-450a-840b-6541230ebad2.filesusr.com/ugd/5de1df_9c6a35dfcde04520b5cb62413d0dfb42.pdf?index=trueIn PDF document text
- https://ce099f17-eb12-430b-a452-8d789b3ee5a8.filesusr.com/ugd/aef5b7_9465dfc225c549299cb8a3f331df4e80.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/995e28de-59a2-4079-8738-a60454788732/46311277986.pdfIn PDF document text
- http://dafefixekonaxo.epizy.com/21400739432.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8fcd50ba-694e-4bf3-85af-f26e44b35e11/tevijofazodalipotuxideje.pdfIn PDF document text
- https://a519209a-2b0a-481f-9fe9-460c873bdc80.filesusr.com/ugd/270e53_3207ce37575f4cdc87afcad67355a61d.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/rakabexozu/cdc_schistosomiasis_fact_sheet.pdfIn PDF document text
- http://kuzadimizu.epizy.com/how_to_work_in_operations.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2c10a50f-329c-48f0-a41a-f6cf5790806d/software_development_methodology_defined.pdfIn PDF document text
- https://6ba8113a-99dc-4618-97bf-d7180f10ff72.filesusr.com/ugd/b6edda_d5f5dfcf0b104dcc86bd40ad8f3d832a.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/790141fe-8f0d-4d89-b0f7-1da031b4f3d5/51073761475.pdfIn PDF document text
- https://6d706a39-1f93-4f1a-9423-caccf7e65e71.filesusr.com/ugd/69f91f_c414644b9b9f4f86aab1c61bfeb2bae7.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/dotivaf/gifab.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_off0000e0c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0C3 | 5516 bytes |
SHA-256: eba3175b03b981fe020020bee17b7e470245d65a69aa2eedfd92c28c538d4659 |
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font_01_sfnt_off0000f35f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF35F | 10832 bytes |
SHA-256: 0c1e6d5c6ed825f6e67a67f58fa5465ef8aa607fb988423987aa38187abf73c8 |
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