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://vilenefex.ru/strik?utm_term=tus+zonas+err%25C3%25B3neas+audiolibro+completo+gratis PDF link annotation
- https://cdn-cms.f-static.net/uploads/4375515/normal_5fd90326a7452.pdfIn PDF document text
- http://iqecoportal.ru/tarusogimaronazeguz0u0zg.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380090/normal_5fe9641f98226.pdfIn PDF document text
- http://trafikcezaodebayisi.com/dubai_weather_in_januaryf42yq.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382408/normal_5fdc3b43ea44f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4427514/normal_6044d016dc3c1.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://c7bff75e-0a19-4817-9d47-fca4cf08161b.filesusr.com/ugd/3b6424_e6f555355b9946829a159760413508b9.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/6614058b-1514-418b-80f5-5e57e73f474f/15914155224.pdfIn PDF document text
- https://9387bd13-3746-4408-b474-2867f26e464d.filesusr.com/ugd/ace02d_90f465212205485b936b7f9eea11a82b.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/dfda4800-f0df-4696-8553-b33ea2ab797e/bosch_300_series_washing_machine_reset.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b1eea7cb-6286-4e3f-a133-aa662dd27263/walmart_pharmacy_hours_omaha_nebraska.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cf61dabc-bf6c-45da-a471-0e4de1d1c45f/chemistry_structure_and_properties_1st_edition.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/63431605-92d9-4262-890a-acc769911496/12774712339.pdfIn PDF document text
- https://1b65b899-5fad-42bd-af9e-a3fb1d6a4c80.filesusr.com/ugd/a2ebd8_091c8b38c9a04ba5b45ede332bc020be.pdf?index=trueIn PDF document text
- https://6323cc82-cf72-43ae-bc7a-f8d691a1d37e.filesusr.com/ugd/4f3578_b25ca756c6714931a63390f06e093099.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/408e39a5-fd27-4354-9710-ea389ca55172/how_to_replace_hp_1320_fuser_unit.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e92a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE92A | 5548 bytes |
SHA-256: 5970e9f89475e6a905a6bc4aa686e4eaf870607d8d8751c567ea5353c5e30122 |
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font_01_sfnt_off0000fbaa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBAA | 12216 bytes |
SHA-256: aec2f2ee79f1f842a47746a0aad8d425c9ca34aab4374a8af9b099bab5127bcf |
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font_02_sfnt_off0001234f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1234F | 16276 bytes |
SHA-256: 3daed98cca4a935d2e008d9022b7ffecbc049998e197aa64b013dcb265a5360e |
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font_03_sfnt_off000138dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138DC | 4324 bytes |
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
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