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. 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 0.9996
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://jacksth.ru/award?keyword=bengali+official+letter+pdf PDF link annotation
- http://gnoogle.site/what_is_respect_quotesz44ww.pdfIn PDF document text
- http://redit.fun/919595369457qsw3.pdfIn PDF document text
- https://cdn.sqhk.co/navozaxezini/hhias5L/excel_insert_sheet_rows_greyed_out.pdfIn PDF document text
- http://5coupon.info/what_is_the_operating_system_for_chromebookfs5py.pdfIn PDF document text
- http://fortuneo.biz/steroid_injection_in_back_recovery_time0jk97.pdfIn PDF document text
- https://cdn.sqhk.co/gupuwiwi/RC7Chb1/human_resource_management_jobs_near_me.pdfIn PDF document text
- https://cdn.sqhk.co/gofuzurafano/jQmutKA/novo_cinema_ibn_battuta_mall_imax.pdfIn PDF document text
- https://cdn.sqhk.co/tibakekavero/cjge7gb/zombie_apocalypse_survival_game_pc.pdfIn PDF document text
- https://cdn.sqhk.co/pijovowifil/BgdgQSm/word_connect_answers_level_99.pdfIn PDF document text
- https://cdn.sqhk.co/zijigemeworu/TDidKuc/larini.pdfIn PDF document text
- https://cdn.sqhk.co/nuvexajamu/aKbjijs/xitumewison.pdfIn PDF document text
- https://cdn.sqhk.co/pogadidotilu/Kgihihh/mens_light_up_christmas_jumpers_2019.pdfIn PDF document text
- https://cdn.sqhk.co/wunasesev/l6ggamm/aimpoint_pro_mount_screws.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/57218c12-5c06-49ec-9dc1-2a5696105416/tuesdays_with_morrie_life_lessons_quotes_with_page_numbers.pdfIn PDF document text
- https://1e16da7b-5b4f-4122-a3c4-5c88c9d97cf7.filesusr.com/ugd/83f04e_f1b2a11ca68f41f88f648203fbe9d888.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e4ca49cd-a55a-4944-91a6-b9109e79d248/18915222613.pdfIn PDF document text
- https://b4095e1f-5e43-4c35-8b28-ff0c3185c247.filesusr.com/ugd/9cc3de_9e9f10c6cd4f44c291017c09bd223d93.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/daec368d-2f1b-444d-a38e-be4d92894d75/1826224374.pdfIn PDF document text
- https://e064a861-6c7b-46af-b67a-66be1f32d776.filesusr.com/ugd/ec3e4b_f48be0e03483436c9aed14fd02241bbd.pdf?index=trueIn 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
- http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
- http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f12e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF12E | 4984 bytes |
SHA-256: 9c9c8f58f93aecc654ed14d0be6ab43e5a43a98110a9f0779137879641b5e1c7 |
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font_01_sfnt_off00010228.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10228 | 11560 bytes |
SHA-256: bd39f1ea1b93613bc500581c21cc903e5718454fcec455963c4ce302e1731e19 |
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font_02_sfnt_off0001265b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1265B | 12788 bytes |
SHA-256: 413067b24084270f3f96b1a4d07350c7b48befe38ad629b997d4ecedca59fa02 |
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font_03_sfnt_off00014f7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14F7F | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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