MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses brand-impersonation credential phishing. 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 0.9993
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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Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://majosipodolonax.weebly.com/uploads/1/3/0/8/130814003/4bd64b582bde0.pdf.
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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://chcial.ru/pbw?utm_term=declarative+sentence+and+interrogative+sentence PDF link annotation
- https://majosipodolonax.weebly.com/uploads/1/3/0/8/130814003/4bd64b582bde0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4443821/normal_6068d5e420731.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4471688/normal_606a9b4f59172.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420589/normal_6038bc2d016d9.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4486963/normal_6004946c0fffb.pdfIn PDF document text
- https://kazenatujexisof.weebly.com/uploads/1/3/1/6/131637291/baa904.pdfIn PDF document text
- https://bixolajulepu.weebly.com/uploads/1/3/4/7/134746591/jilanatud_suxipokaledogov.pdfIn PDF document text
- https://figuxola.weebly.com/uploads/1/3/7/5/137517110/nujuvitoroki_vofubisa_fepureki_luwejarorolagop.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4488101/normal_5fc8c22dbfb2d.pdfIn PDF document text
- https://vobulesije.weebly.com/uploads/1/3/1/8/131857334/651952.pdfIn PDF document text
- https://xatawozenovug.weebly.com/uploads/1/3/4/8/134886035/dakazusifukig.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4469104/normal_5fc8e0b5457ad.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447626/normal_60521306b0161.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4416150/normal_5fc87270db6e2.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://sikovifif.pbworks.com/f/dixopisu.pdfIn PDF document text
- http://jilawuxifi.pbworks.com/f/fundamentals_of_electric_circuits_6th_edition_solutions_chapter_10.pdfIn PDF document text
- http://jesababa.pbworks.com/w/file/fetch/144425646/name_that_circle_part_answer_key_gina_wilson_2015.pdfIn PDF document text
- http://damopijos.pbworks.com/w/file/fetch/144526758/halo_2_unblocked.pdfIn PDF document text
- http://vaturefegape.pbworks.com/f/nitrado_ark_server_cross_platform.pdfIn PDF document text
- http://sodopateduke.pbworks.com/w/file/fetch/144625785/hotstar_channel_divya_drishti_serial.pdfIn PDF document text
- http://podimil.pbworks.com/f/adding_fractions_worksheets_with_answers.pdfIn PDF document text
- http://lekuzax.pbworks.com/f/11912868328.pdfIn PDF document text
- http://filijego.pbworks.com/f/17903055315.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_off0000dd4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD4A | 5168 bytes |
SHA-256: 3dfc190ce9c71ad791e0ac32a4f88673684e2869fb3e186d083882fb6a4915d1 |
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font_01_sfnt_off0000eef8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEF8 | 11416 bytes |
SHA-256: f3785e694d47abcb72e192620681c8fa164360a0a2c7bdd6d9dd180ebd2a51bd |
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