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 0.9994
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://zajinet.ru/strik?utm_term=pete+the+cat+and+his+buttons+song PDF link annotation
- http://saudiautoinsurance.com/63367447898qhqti.pdfIn PDF document text
- http://hyipinvest.site/3769998381fqz7n.pdfIn PDF document text
- http://zijozarub.mygamesonline.org/the_importance_of_being_earnest_film_online_free.pdfIn PDF document text
- http://bonifacy.site/manually_activate_office_2010_cmdc0nly.pdfIn PDF document text
- http://genoray.pro/sarezegemojzf6k5.pdfIn macro / runtime command snippet
- http://katowad.22web.org/antonio_jose_de_sucre_biografia.pdfIn PDF document text
- http://gasolotiravizid.sportsontheweb.net/financial_analyst_resume.pdfIn PDF document text
- http://lalexejiwisejul.iblogger.org/hansel_and_gretel_2002_amazon.pdfIn PDF document text
- http://jeruxawi.iblogger.org/72850810192.pdfIn PDF document text
- http://vosajizegek.mypressonline.com/3383280578.pdfIn PDF document text
- http://pidawiwosoda.iblogger.org/marantz_pmd-300cp_dual_cassette_recorder_player_with_usb.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/c9a3e03d-0039-4f9d-afe3-8c0e784079c2/44300820495.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1cddc44a-b22c-4f61-b2ee-64ffc7a3eb48/66125687799.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e090bc3d-4137-43f2-ba75-b63b023dbcf1/gilemetigipumopupamem.pdfIn PDF document text
- http://zaravugudag.rf.gd/frozen_sheet_cake_images.pdfIn macro / runtime command snippet
- https://uploads.strikinglycdn.com/files/c94925de-c5ef-41d2-9a5d-31e4766d5335/2006_chevrolet_malibu_ss.pdfIn PDF document text
- http://zararogesa.epizy.com/bootstrap_4_form_control.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e23ac4ad-2ccc-4f9c-82b5-7ad1a50052dd/w3schools_html_tutorial_free_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/193432ae-a0cb-438a-b204-d66078e9ae92/daily_maintenance_plan_template.pdfIn PDF document text
- http://fabomisibis.rf.gd/toro_timecutter_cost.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bb67be3e-af0d-4ec0-9dc1-6f605ebfb168/91461992707.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f2738add-dc8e-4f21-9164-7f5f0abf77e3/what_can_charge_a_kindle_fire_cost.pdfIn PDF document text
- http://relisedozoru.epizy.com/dazetofoxujuxezufisaj.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
- https://uploads.strikinglycdn.com/files/e090bc3In macro / runtime command snippet
- 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_off0000f6cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6CF | 5212 bytes |
SHA-256: 2e49e880bb1c21a640c0c676650b54541b98882bef3c21e8089fb9cba68b7dab |
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font_01_sfnt_off00010884.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10884 | 10988 bytes |
SHA-256: caee7857633d220f250bca02a61b5cdd4b2b13fadfd8a4072a280165073cf839 |
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