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 0.9994
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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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://vilenefex.ru/strik?utm_term=present+perfect+spanish+practice+worksheets PDF link annotation
- https://cdn.sqhk.co/fixikumeboga/gcjaxij/best_todo_app_for_mac.pdfIn PDF document text
- https://cdn.sqhk.co/kivipemo/igjogi7/nixotaxap.pdfIn PDF document text
- https://cdn.sqhk.co/pegebatanuz/7gjLTjo/credit_agricole_cib_paris_annual_report_2017.pdfIn PDF document text
- https://cdn.sqhk.co/kufomopinu/icNZhd0/dafimugunixigaj.pdfIn PDF document text
- https://cdn.sqhk.co/silagigud/nihrygj/hilton_head_metabolism_diet.pdfIn PDF document text
- https://cdn.sqhk.co/lixipadiwel/hhiZhb6/super_mario_run_apk_old_version.pdfIn PDF document text
- https://cdn.sqhk.co/fiduzosi/hb9Kgep/netomasekoreporumero.pdfIn PDF document text
- https://cdn.sqhk.co/lemijexo/MXhcSMj/sepazozoladaropebegeter.pdfIn PDF document text
- https://cdn.sqhk.co/wujamufaw/hfgeiiT/fidugotinobaruwup.pdfIn PDF document text
- https://cdn.sqhk.co/fixefalid/bzYjjhe/kejuwabebonumifuti.pdfIn PDF document text
- https://cdn.sqhk.co/letarezetap/6hdigjb/calligraphy_fonts_free_marathi.pdfIn PDF document text
- https://cdn.sqhk.co/kewusikata/hbmk4hc/genshin_impact_ar_7_reroll_guide.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/40103c21-351e-414e-9498-f54382db077d/tijofojobiwuwisezitif.pdfIn PDF document text
- https://1cf095b7-1d29-4152-b82c-7733cf7ba0c7.filesusr.com/ugd/c1de29_c95b81dadd80498e82ff6f78dfd914f4.pdf?index=trueIn PDF document text
- https://9cf5cc10-3c2e-4e30-ae6b-73ed7beed88a.filesusr.com/ugd/5c2b46_792c0c01efa84b55a49cc61c7fd6f240.pdf?index=trueIn PDF document text
- https://3c4962d9-41f7-4f14-8396-dad57cc8de20.filesusr.com/ugd/a2de88_aa34579a28094afdabfaa4f75e1feb36.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/2a2976a6-c15a-442f-95ea-b8c756fb58cf/hoover_elite_rewind_plus_wont_turn_on.pdfIn PDF document text
- https://631ffb88-cf2d-4844-8d6b-9338a1b21cc5.filesusr.com/ugd/d24e6f_abc8780b0dae4e42930ff346b15b274f.pdf?index=trueIn PDF document text
- https://a68e2ff5-bf17-48e3-82d4-ceb975b85758.filesusr.com/ugd/760101_23ab0589113f4e39ae87947347ca2f07.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/ae77ef68-da11-4250-be8b-7c2ac941d2fb/nikon_dx_vr_camera_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3cdd6337-6408-4a75-88d6-30531456eaaa/35908167067.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/86837971-a742-4ee7-a9aa-c50a2d3fd15b/78416168997.pdfIn PDF document text
- https://ab737b70-891a-4a1f-8db9-ee548211cb31.filesusr.com/ugd/ce14f3_2bdb5d28be2c42918c4a3334821aa0fa.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010175.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10175 | 5228 bytes |
SHA-256: 965072c510626bded61b5e51753f444d89c0bf49bbbeaf20c6ed58f0816cf214 |
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font_01_sfnt_off0001134c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1134C | 12520 bytes |
SHA-256: 825d51deda69686db09a7b6534ec0034b7ec7b521cb028115e4438ce8e5d7cae |
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