MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses a LOLBin command-execution lure. 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 0.9995
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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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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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://baarspo.ru/strik?utm_term=can+illinois+tax+retirement+income+now PDF link annotation
- http://balifruit.com/disiseniwadasonevesudrw59q.pdfIn PDF document text
- http://alexsaf.ru/curl_of_gradient_of_vector_functione7geo.pdfIn PDF document text
- http://bcpzonasegura10beta-viabcp.com/nulebolaxale1lnit.pdfIn PDF document text
- http://tozofuji.scienceontheweb.net/interview_questions_and_answers_south_africa.pdfIn PDF document text
- http://goodnaturak.space/big_data_book_free_downloadpnoal.pdfIn PDF document text
- http://draiwenstore.online/jekesegelunovizizedubezuw4gu.pdfIn PDF document text
- http://metalllift.ru/nixazasomikujamg6.pdfIn PDF document text
- http://jilet1.club/muxoribetipelobokotitij1t7.pdfIn PDF document text
- http://sowipilarow.mygamesonline.org/anatomy_of_heart.pdfIn PDF document text
- http://sallely.xyz/jonilariw7vdr.pdfIn PDF document text
- http://lowufadit.scienceontheweb.net/count_your_blessings_chords.pdfIn PDF document text
- http://mudikovarew.mygamesonline.org/grade_5_math_practice_worksheets.pdfIn PDF document text
- http://wogazufugid.22web.org/65489949787.pdfIn PDF document text
- http://rimarilomikozu.medianewsonline.com/que_son_los_alcanos_alquenos_y_alquinos.pdfIn PDF document text
- http://bcpzonasIn macro / runtime command snippet
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/tesotiwapax/68721200238.pdfIn PDF document text
- http://lagazirixul.rf.gd/laboratory_assistant_book.pdfIn PDF document text
- http://kalumewuvo.rf.gd/how_often_should_you_use_paper_shredder_lubricant_sheets.pdfIn macro / runtime command snippet
- https://s3.amazonaws.com/jotogorurekuro/how_to_work_a_ge_self_cleaning_oven.pdfIn PDF document text
- https://s3.amazonaws.com/gumegulaxi/korebage.pdfIn PDF document text
- http://kigagizotag.onlinewebshop.net/vemodasuxozovafinit.pdfIn PDF document text
- https://s3.amazonaws.com/jifedefujodu/45843430021.pdfIn PDF document text
- http://giduzorim.epizy.com/bag_design_by_fashionary.pdfIn PDF document text
- https://s3.amazonaws.com/sefiwegegagu/46700619581.pdfIn PDF document text
- http://delujub.rf.gd/70191529297.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_off0000e6c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6C0 | 5008 bytes |
SHA-256: 2dd9c17ba7ea54bed22053f6287d5d11860a18aad232c09af961db520313bedc |
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font_01_sfnt_off0000f7c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7C2 | 10828 bytes |
SHA-256: 0de4aed4c353519ebf3339c068bb11d6c91dc698be0b0878827b809326080d88 |
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