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 0.9997
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://leonvi.ru/wix?keyword=ecological+pyramid+worksheet+doc PDF link annotation
- https://cdn-cms.f-static.net/uploads/4450003/normal_600d43af14a92.pdfIn PDF document text
- http://prodson.space/ccir_b_full_formr54is.pdfIn PDF document text
- http://zoosalon.org/excel_quotation_template_with_database3awfn.pdfIn PDF document text
- http://magazinrf.xyz/jixesakexobibatoliwo4p3u4.pdfIn PDF document text
- http://testvvd.xyz/379263700azvoc.pdfIn PDF document text
- http://pek-24.cc/telugeturozezapolavk794f.pdfIn PDF document text
- http://thesalle.xyz/561849204891pa7v.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4410020/normal_5fdfbb12651cd.pdfIn PDF document text
- http://bu-markett.com/convert_to_jpg_free_app5ro6n.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://6f2fb29c-15f2-4b08-b525-3eb91a7f0a41.filesusr.com/ugd/c3548c_d2290ec3922d4eb28e380dc5d23eb475.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/1518c6f2-423c-48cd-84c8-bad870b7c042/macmillan_mcgraw_hill_treasures_kindergarten_activity_book.pdfIn PDF document text
- https://8ed6bd9f-de2b-4923-b7df-82f95eb18a03.filesusr.com/ugd/7fa32f_dfecea18a5674e6c9bef92b2347d9116.pdf?index=trueIn PDF document text
- https://9e1b5e4e-b4ab-405b-8fdf-b3b6d7b19c28.filesusr.com/ugd/94ea38_96071214921c4e628f5234bc98c65ba2.pdf?index=trueIn PDF document text
- https://cee4a208-09ac-40e0-983f-4c2cc776acbe.filesusr.com/ugd/5ed537_431a740b0a754f0091ad632ec5a1536a.pdf?index=trueIn PDF document text
- https://7162f0c1-3bb2-4775-9ad2-1e34613fb889.filesusr.com/ugd/595093_803b983ad41a4b40af809cc28c19b300.pdf?index=trueIn PDF document text
- https://dba0ca6b-c979-46b3-87c9-041648dee063.filesusr.com/ugd/6f58fb_8805c51c485a4f8fb08360dbda3e7103.pdf?index=trueIn PDF document text
- https://bb55feb6-a0c4-48ae-8f72-aea2c45912f8.filesusr.com/ugd/b9801a_c46b0f389ccb4f5195ac736ebd3744cf.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/55728609-d48e-45f3-9140-4eecbb400c1a/tp-link_av600_wpa4220_powerline_wifi_extender.pdfIn PDF document text
- https://a86a6b26-b473-4b55-b9aa-7628a2bff077.filesusr.com/ugd/4f270c_52f4a5df07d545a79d12676775343f9d.pdf?index=trueIn PDF document text
- https://71e5fc8e-cc9a-4633-96c3-2c70acd464d0.filesusr.com/ugd/f08e01_a5802dd3d55d4ea5979171ff3056db99.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/83c32012-0436-4869-a39b-c8387c8e5c60/make_a_homemade_fire_extinguisher.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_off0000e3b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3B1 | 5700 bytes |
SHA-256: e0f987a1424e592e31a7dbbfa1c5d5f65dc84c27a97815a6239a84c48fda449c |
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font_01_sfnt_off0000f70c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF70C | 10068 bytes |
SHA-256: 8958d5b7fb5a27fcaf9817ff043a078f60f67cf2fe0238c014a1ebe5a21b2691 |
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