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://kuzutuzo.ru/wix?keyword=pretty+good+physics PDF link annotation
- https://cdn-cms.f-static.net/uploads/4374848/normal_6030a2723df57.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4494435/normal_5ff37f7713054.pdfIn PDF document text
- http://gakagebir.mypressonline.com/average_salary_for_graphic_designer_in_chicago.pdfIn PDF document text
- http://startbastar.online/runifijujlq5u0.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4408584/normal_5fdf37f34df6f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470222/normal_602e7e047f9a7.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4376619/normal_5fed1ee5e24bf.pdfIn PDF document text
- http://supportcopyright.net/what_did_the_boy_volcano_say_to_the_girl_volcano_math_worksheetrm762.pdfIn PDF document text
- http://galufixagomedo.getenjoyment.net/pibusewasadi.pdfIn PDF document text
- http://itgermany.net/mares_dive_computer_puck_pro_instructionsj0lh9.pdfIn PDF document text
- http://carluxepaint.site/monitoring_internet_activity_at_workw49c6.pdfIn PDF document text
- http://xploitcrew.io/michaela_galova_nahaem2d7.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/0fdf31bc-4764-4042-8e9a-dafb77ae4aea/pharmacotherapy_a_pathophysiologic_approach_11_edition.pdfIn PDF document text
- https://ad858f6a-7bbb-416d-9365-e04d7986ed9b.filesusr.com/ugd/3c9ac1_4e3cb1792aef4027a2c1a36ba71bd321.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/4e30ffd6-b474-438e-b40b-3794eb7dd0cb/delta_table_saw_36-725t2_accessories.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fccf1755-4a90-4a42-8fb7-07c178946f69/23008983888.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a93da345-9880-4bab-89af-a7b99190e0ed/bewaguwidimipujeloxiku.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/97102a52-fc2b-40b5-93aa-e15b1e6b532e/ziwudewesapofu.pdfIn PDF document text
- https://5fdaa9e0-ad6d-443b-8779-beb8e45026dc.filesusr.com/ugd/05301a_c4de13efb6954fc89e1b01b8c7bcfc3e.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/d0fc25ee-bd0c-4b6c-92ef-1881e20f280d/magujusezisofi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c962914e-e7de-4bd9-be40-d476cafc7688/87799220044.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_off0000e8d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8D4 | 5196 bytes |
SHA-256: 8cc340bba86b3aa689b70184c9a1a9b395c589086ef0fd60b47fe5edaf2a192a |
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font_01_sfnt_off0000fa8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA8E | 11012 bytes |
SHA-256: b9f148f53dbf37f1ac2244ce17f88e39c0d25c33a9ea1243a1e84743e1627305 |
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