MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many hosted on disposable domains, suggesting a link farm or phishing operation. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URIs point towards a lure to external malicious content, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://baarspo.ru/wix?keyword=waves+unit+1+worksheet+5+answers PDF link annotation
- https://cdn-cms.f-static.net/uploads/4367283/normal_6053e371e6681.pdfIn PDF document text
- http://topcreditmonitoring.info/hartmann_group_annual_reportgeqyl.pdfIn PDF document text
- http://arendagg.xyz/modo_de_produccion_capitalista_origen_y_desarrollovefcb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4427498/normal_604d1a40b0c7c.pdfIn PDF document text
- http://natlegend.space/588029576093oyg6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4499635/normal_6058dcdf4c11d.pdfIn PDF document text
- http://xokubenafap.66ghz.com/obhajoba_bakalsk_prce.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490116/normal_602994970bb90.pdfIn PDF document text
- https://cdn.sqhk.co/nuxasedazu/Ztojj9S/souzasim_drag_race_apk_ios.pdfIn PDF document text
- https://cdn.sqhk.co/luwagoma/hfNher9/bsnl_prepaid_mobile_recharge_plan_in_west_bengal.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426262/normal_60192c33b8b9c.pdfIn PDF document text
- http://yildirimotobursa.com/monster_girl_maker_oc_challengeh7irs.pdfIn PDF document text
- http://wanezizexakidiz.22web.org/74055630342.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4379387/normal_5feb2a2f4169d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4476127/normal_60468e5a56478.pdfIn PDF document text
- http://xiwasaruv.66ghz.com/1338061395.pdfIn PDF document text
- https://cdn.sqhk.co/goxobuve/jcnhanm/24832895781.pdfIn PDF document text
- https://cdn.sqhk.co/zoluxoni/7igxJja/22983992923.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366317/normal_6032b89a4b074.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://a12a05ab-6462-4855-b086-b0a2a961d6d8.filesusr.com/ugd/2c76f4_26ad7e19964f4b7a8cd022abd6d7a473.pdf?index=trueIn PDF document text
- http://mudikavorutemu.epizy.com/junuvivobugejogini.pdfIn PDF document text
- https://f8d82b49-d438-4da2-b906-f876cb6fe635.filesusr.com/ugd/12dc78_d728e6c8d49f43a29f728a860fd1dec9.pdf?index=trueIn PDF document text
- https://968bac2e-1409-45a7-bd11-2c37eba47390.filesusr.com/ugd/c81504_8f0014b8ca974885b11d8c7c96e5436d.pdf?index=trueIn PDF document text
- https://737bf953-b780-43bc-8af0-312ed5328a40.filesusr.com/ugd/017c44_987e68bf61cc4b34878b78645e5f12e2.pdf?index=trueIn PDF document text
- http://lujifub.epizy.com/52761486481.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f168.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF168 | 5028 bytes |
SHA-256: de8e55c57d564d37e62e2b863a8df2705a7bbc13d2643327697a2b616db40793 |
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font_01_sfnt_off0001029c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1029C | 11064 bytes |
SHA-256: 6912005c0521e0be509bcc39d4129663818c594224bed6734f448b22201c073c |
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font_02_sfnt_off00012841.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12841 | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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