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-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://leonvi.ru/wix?keyword=ijcai+2020+workshops PDF link annotation
- http://zomixuxoluzijum.mywebcommunity.org/47016812083.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465274/normal_5fe76ec508411.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4374533/normal_60033c0d84254.pdfIn PDF document text
- https://cdn.sqhk.co/tivaboloxome/rjjdnBy/42097078453.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4450884/normal_6006366baf093.pdfIn PDF document text
- https://cdn.sqhk.co/nuzinirumawe/yjgDUgM/dynastic_cycle_worksheet.pdfIn PDF document text
- https://cdn.sqhk.co/lisutovudaf/itieZie/53466150983.pdfIn PDF document text
- https://cdn.sqhk.co/xapawavuma/3jj4ji5/dovak.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4425768/normal_601bb4e3afd2c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387411/normal_6017bfe6b7be0.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/08f7cdf6-bc3b-4c9d-9b93-5ab54eaf44e3/sizigekukerum.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/11394a4c-7f09-4abb-8f63-97146781a2b8/49308059313.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e72a0eeb-14f3-476c-bbf5-98fedd1716eb/how_to_start_a_morning_yoga_routine.pdfIn PDF document text
- https://18b09f4e-de4d-4c1b-9fe6-be55c63b1c00.filesusr.com/ugd/cd81e9_727c8ebcdab04261be81cd897dea8882.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/10069491-57b7-41a3-a4eb-e39caf575059/25914911363.pdfIn PDF document text
- https://29aa9d28-cc9d-45fc-8d86-3718b5881c84.filesusr.com/ugd/74c34a_d0419177d20f46469abc86648db7bd6e.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/94c8bd7c-6c37-45c0-9d1d-d058673ddf3e/73585381883.pdfIn PDF document text
- https://e05653fc-386e-4c8b-889d-738aee72c63e.filesusr.com/ugd/62421a_2d749a5aca404e7d87160d577e1e681c.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/47f6318f-98d2-424b-811b-860a5480e2e1/65744365102.pdfIn PDF document text
- http://jofikuv.atwebpages.com/20770876060.pdfIn PDF document text
- https://148d48ef-a78d-4e34-a4d2-755cfbac042a.filesusr.com/ugd/ccca9b_05e073c29de0406a866673cadadfd29a.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/75319faf-ab4d-42a8-9bcd-380d0d6a9c61/south_carolina_drivers_permit_renewal.pdfIn PDF document text
- http://vawofirulev.myartsonline.com/3d_animation_books_free_download.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_off00012545.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12545 | 5432 bytes |
SHA-256: 2b917202166d09ebb15478deafc04e3609e2f1f94bf911dd56f98a44110431ca |
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font_01_sfnt_off000137d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137D3 | 12516 bytes |
SHA-256: 925925987bfdb3261ef94f9916790edc388d8382d281781bf93400e3d62296a2 |
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