MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
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 5
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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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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://catamma.ru/pbw?utm_term=calculating+volume+and+density+worksheets PDF link annotation
- https://cdn-cms.f-static.net/uploads/4481409/normal_60520abb04402.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4475872/normal_5fe0a294b2db6.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4371258/normal_5fefebbc22908.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://kepojijudiva.pbworks.com/f/it_security_incident_report_template_word.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e83c101c-0ce3-4988-b77f-f4e6295fe6a8/1598585199.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f4db8566-4486-4dbc-a72b-bb6d30a1d47f/95546191027.pdfIn PDF document text
- http://dibesusajob.pbworks.com/f/here_comes_the_sun_piano_sheet_music.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7f7b9f3e-2b49-48c3-9eeb-dd8f12c48fe7/how_to_play_johnny_b_goode_chords.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/57808779-612f-477f-ad76-2b659a970f02/is_soy_sauce_allowed_on_21_day_fix.pdfIn PDF document text
- http://jifesepapo.pbworks.com/f/zowif.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/90774c24-f27d-4003-861e-0958c67241ea/roxegirivu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/306c8a97-d902-4e27-8871-d629560933e9/netgear_wnr2000_setup_as_switch.pdfIn PDF document text
- http://gozuwef.pbworks.com/w/file/fetch/144497598/worlds_hardest_game_tyrones_unblocked_games.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/08fd1f4c-08aa-4b15-a672-38791e2dbe0b/como_curar_la_balanitis_de_forma_casera.pdfIn PDF document text
- http://poforezufovu.pbworks.com/w/file/fetch/144459528/similarity_and_proportions_worksheet_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3f2bf4c2-fddb-4f9d-8649-18652449f3ca/technical_drawing_program_free_download.pdfIn PDF document text
- http://fufitan.pbworks.com/f/my_talking_tom_old_version_mod_apk_download.pdfIn PDF document text
- http://negovijalulu.pbworks.com/w/file/fetch/144415671/age_of_empires_3_complete_collection_steam_cd_key.pdfIn PDF document text
- http://wepoline.pbworks.com/w/file/fetch/144450288/wulosuxuvidixinivavigudo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6c2e0d37-9244-4e3a-bfb7-4577c60f8664/boss_fs-6_without_battery.pdfIn PDF document text
- http://fuvuxagola.pbworks.com/w/file/fetch/144602883/fullmetal_alchemist_brotherhood_hologram_lyrics.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_off0000e341.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE341 | 5576 bytes |
SHA-256: b8ab397d8579719d4cf230ddd5a07ad50f60d2ada80c3c30e53e7e73ea018340 |
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font_01_sfnt_off0000f61c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF61C | 10900 bytes |
SHA-256: f1a8362af97374f3799fda54d6eadf87acaeadc3a3fb920e820e2884150872fa |
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