MALICIOUS
206
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 0.9993
Heuristics 7
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PRC/3D content in PDF medium PDF_PRC_3DPDF contains PRC 3D content. PRC/U3D parsers have been a recurring Adobe Reader attack surface; treat as a related parser-exploit indicator rather than a specific CVE match.
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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://wastran.ru/pbw?utm_term=manual+de+adiestramiento+militar+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4417818/normal_601b653fd66d8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426941/normal_605cab10ba8b9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4464056/normal_601e01dd55a71.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4389108/normal_602518fba7a3e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366036/normal_603e799ade4c7.pdfIn PDF document text
- https://xirozakopep.weebly.com/uploads/1/3/4/7/134719339/jitekurig.pdfIn PDF document text
- https://fewabobur.weebly.com/uploads/1/3/4/7/134713859/29dffd792d8d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445737/normal_60464036c68e5.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.opentle.orgIn PDF document text
- https://uploads.strikinglycdn.com/files/2e1dab4a-28cc-4eee-82ac-e6e2cde8e566/karijivovatuzero.pdfIn PDF document text
- http://zupelapowi.pbworks.com/f/89475440565.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e63fa16a-2a53-49eb-80f4-20bfcd77f1d2/old_school_pizza_tavern_menu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1a06d61d-0e30-4492-88d2-2ac6c201bcb9/66530880279.pdfIn PDF document text
- http://gopidam.pbworks.com/w/file/fetch/144546927/madame_bovary_2014_full_movie.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c4b882c8-0f38-4d8b-bccd-5bbc630e0c87/chemical_experiment_report_sample.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4d5efe6a-41ab-4eb6-b809-49d581c07a8f/81991576124.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/111a47f7-9a97-4b37-8b79-acd5411d76bb/she_kills_monsters_virtual_realms_script.pdfIn PDF document text
- http://zewalar.pbworks.com/w/file/fetch/144466641/descargar_minecraft_pe_ltima_versin_2020_para_android_gratis_1.16.20.pdfIn PDF document text
- http://vikowezanipe.pbworks.com/w/file/fetch/144507735/m_sudheep_elayidom_data_mining_and_warehousing.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
- http://www.gnu.org/licenses/gpl.htmlIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001e033.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1E033 | 5192 bytes |
SHA-256: 616b89d3ecf66abaa34980fd7a68831538ae916ba3edbbb01cb75b7dfc21851a |
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font_01_sfnt_off0001f1c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1F1C7 | 6636 bytes |
SHA-256: ab578f0335b3429180fa528d0e5270cb5eb086541f0ba46a8b4b7204e3539c09 |
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font_02_sfnt_off00020361.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x20361 | 12204 bytes |
SHA-256: 056c694a7b8461b3ab03bc4a2866e1a61b46b35341d34ceb62a5cb1151a1a400 |
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