MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1190 Exploit Public-Facing Application
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses a fake-CAPTCHA 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 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHADocument displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
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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://pixomot.ru/pbw?utm_term=how+to+get+unmarried+certificate PDF link annotation
- https://vifutezovabul.weebly.com/uploads/1/3/1/4/131408528/medajanidozemu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378613/normal_5fdbcbfc25b13.pdfIn PDF document text
- https://bakemelufipunuj.weebly.com/uploads/1/3/4/8/134888112/sibor.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4455185/normal_5fe15bc1d18bc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4371005/normal_601837e3a3b08.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383327/normal_6011e4381965c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4411918/normal_5fe51e98d02cf.pdfIn PDF document text
- https://labifunuvi.weebly.com/uploads/1/3/4/8/134847398/8233901.pdfIn PDF document text
- https://gazobibulome.weebly.com/uploads/1/3/4/7/134775133/101fe905481b28b.pdfIn PDF document text
- https://wuzubetimu.weebly.com/uploads/1/3/4/2/134266391/sorodekuwi-mugevelusazov-jovid.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4480899/normal_5ffbdf2705a49.pdfIn PDF document text
- https://kixoligo.weebly.com/uploads/1/3/4/6/134608980/nipobimijelewa.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/52dec4f0-3292-42b6-9879-e551dc59833d/how_to_replace_a_watch_winder.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e18f4ebf-e7ec-4e08-aa51-ea3a36e93bf3/application_pebble_watch_ios.pdfIn PDF document text
- http://mazibudikor.pbworks.com/f/5910188836.pdfIn PDF document text
- http://pimepovume.pbworks.com/w/file/fetch/144456798/bijizukojasuborek.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/68e4ed0a-826d-480b-9d49-fe96d18550ec/wuwajimaruwarezewidu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ffa710fa-4bd4-4569-bc39-a095aef682fc/how_do_you_reset_a_life_fitness_treadmill.pdfIn PDF document text
- http://zuwofig.pbworks.com/f/the_day_after_tomorrow_movie_download_in_tamilyogi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/602275b7-eca5-4a58-9101-4c96a9ad1f0a/vomijikovininaja.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_off0000d89a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD89A | 5184 bytes |
SHA-256: 4c29851d5c86c953b127278251f63ea48291f0611339ea7bbec2e5c77c607085 |
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font_01_sfnt_off0000ea3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA3A | 10356 bytes |
SHA-256: e313b64efefffe8a54a73c807d383daefc147fd82254d6d1ad0d0b43b7a2d3b3 |
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