MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file is identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains numerous embedded links, many pointing to disposable hosting, suggesting a link farm designed to obscure the ultimate destination. One primary URL, https://krisoc.ru/pbw?utm_term=sherlock+holmes+2.sezon+1.b%25C3%25B6l%25C3%25BCm+t%25C3%25BCrk%25C3%25A7e+altyaz%25C4%25B1l%25C4%25B1+indir, appears to be a lure for downloading content related to a TV show, likely a pretext for distributing malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://krisoc.ru/pbw?utm_term=sherlock+holmes+2.sezon+1.b%25C3%25B6l%25C3%25BCm+t%25C3%25BCrk%25C3%25A7e+altyaz%25C4%25B1l%25C4%25B1+indir PDF link annotation
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://tukufidanega.pbworks.com/f/gozigijikepufiwaxode.pdfIn PDF document text
- http://xojifot.pbworks.com/f/jurujugigovobobegi.pdfIn PDF document text
- http://lururefisu.pbworks.com/w/file/fetch/144570492/printable_reading_worksheets_for_kindergarten.pdfIn PDF document text
- http://jeselivid.pbworks.com/w/file/fetch/144515979/how_to_get_sponge_collection_hypixel_skyblock.pdfIn PDF document text
- http://kigiputilik.pbworks.com/w/file/fetch/144678768/what_is_narrative_theory_in_film.pdfIn PDF document text
- http://namikikis.pbworks.com/w/file/fetch/144752367/72585925107.pdfIn PDF document text
- http://popuwepux.pbworks.com/w/file/fetch/144620340/descargar_corel_draw_x8_crack_gratis_en_espaol.pdfIn PDF document text
- http://negovijalulu.pbworks.com/f/how_does_scout_describe_mrs_dubose.pdfIn PDF document text
- http://bokibagaror.pbworks.com/w/file/fetch/144743973/morumadepavamadija.pdfIn PDF document text
- http://jebusolole.pbworks.com/w/file/fetch/144486471/how_to_code_search_magnavox_universal_remote.pdfIn PDF document text
- http://molosafokaji.pbworks.com/f/fortune_500_top_companies_to_work_for_2020.pdfIn PDF document text
- http://pifidopexi.pbworks.com/f/xulotipipewoxoramogir.pdfIn PDF document text
- http://luwosotatex.pbworks.com/f/puvogadizojidem.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e122d451-d451-4fe6-b92b-756f79415dfe/percy_jackson_lightning_thief_graphic_novel_read_online.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b709b008-f7cb-47e9-ab76-978afa46821e/16816286417.pdfIn PDF document text
- http://tefimemovem.pbworks.com/f/21512986352.pdfIn PDF document text
- http://farejutotej.pbworks.com/f/pizurebivewu.pdfIn PDF document text
- http://sawebaz.pbworks.com/f/fewopetojalita.pdfIn PDF document text
- http://joxupakager.pbworks.com/w/file/fetch/144489324/62399540270.pdfIn PDF document text
- http://fajopab.pbworks.com/f/pajupuxawugesesod.pdfIn PDF document text
- http://kekivozafiko.pbworks.com/f/a_dolls_house_part_2_script_free.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_off0000c38c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC38C | 6324 bytes |
SHA-256: 2063fe0a056b0c4ba19ca43109a6f857df2ac2ba9878965186db8994a480101a |
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font_01_sfnt_off0000d83b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD83B | 10912 bytes |
SHA-256: b22dab3d6e3205f4c258fb2cfef10f6f0898a0e8bad711517dc1950c3fb9446a |
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