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://maypoin.ru/123?utm_term=ms+access+2010+64+bit PDF link annotation
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://aabf49e0-5477-4fd2-8456-a986ef8f2a87.filesusr.com/ugd/9e14ca_7004ba3807e74263b176ecb0c4a4cbdc.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/vipuxafol/bnm_guidelines_on_single_counterparty_exposure_limit.pdfIn PDF document text
- https://s3.amazonaws.com/xopugup/kixogo.pdfIn PDF document text
- http://vigujabufovejo.rf.gd/69393617259.pdfIn PDF document text
- https://3f9320ff-391d-49df-b192-c557e211a93c.filesusr.com/ugd/469aea_5d226564f0904ab3a0ccaa0443f40b7d.pdf?index=trueIn PDF document text
- https://4f0754e2-f0c4-47db-826b-83042027646c.filesusr.com/ugd/7a11b0_46458bd06c06406781ef965dc2c53954.pdf?index=trueIn PDF document text
- https://2d130471-2a64-48ba-87cf-8f1e86c6acad.filesusr.com/ugd/9c43ec_dbae34dbe8814067ae46c901fb5152b0.pdf?index=trueIn PDF document text
- https://a3720f92-bdaa-4449-a3ff-14f36884d2d5.filesusr.com/ugd/afadc3_8ad3e739ff554d8798a2d362588bc4bd.pdf?index=trueIn PDF document text
- https://f1e11ea9-a931-46ad-af30-391325c877dd.filesusr.com/ugd/423518_5ad921c964a74481a66006b23d286587.pdf?index=trueIn PDF document text
- http://tesoxukezeziles.epizy.com/59728641935.pdfIn PDF document text
- http://xomogovokux.epizy.com/favavogizufu.pdfIn PDF document text
- https://dda5c79a-a75d-44d9-a006-48dec3bfe172.filesusr.com/ugd/115d6e_16e177ffd947477c8f0d2eb7d144731f.pdf?index=trueIn PDF document text
- https://ab25a8b3-4d80-4d4b-93a1-c1347014fa7c.filesusr.com/ugd/8d0191_6d3245b7792f4dd2ab5d3c69704ba929.pdf?index=trueIn PDF document text
- https://7e005a1c-fb68-43c1-af83-b854b6a2d282.filesusr.com/ugd/dcfb95_9712c9aa13804081a2cbc299128a47ab.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/difigomisosak/77976338370.pdfIn PDF document text
- https://1f571a09-6495-4108-bd1a-9715deae29b5.filesusr.com/ugd/b0bf26_fb1666f13d604ea9a9ba9401351c5963.pdf?index=trueIn PDF document text
- https://b585a76b-fab5-4024-b0d2-f3ad95444197.filesusr.com/ugd/404203_a72f11a3e94248f8a9ff19683a79c6b6.pdf?index=trueIn PDF document text
- http://zalupadinukoz.rf.gd/votojekudopidoviguxo.pdfIn PDF document text
- https://75e6061f-eb7a-4ce8-b546-077bf96366c3.filesusr.com/ugd/2dfd19_7a6a668713ac4a848de00113d3c84a3c.pdf?index=trueIn 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_off0000ebfe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBFE | 46952 bytes |
SHA-256: b6f0ede5e60339883f907043c071806bf5cd16dd4dd76e49545e0558e01d7d65 |
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font_01_sfnt_off00017b3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17B3B | 5376 bytes |
SHA-256: 0eeea93b0a4d3ca419c2aa06c09d91e7c48d3d17f519cf6d4c688d2d0ffd735e |
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font_02_sfnt_off00018daa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18DAA | 11132 bytes |
SHA-256: 449eba56a57924a083cd565e5578c76e2db4a4cfb8e993ac052e061a63911025 |
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font_03_sfnt_off0001b40a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B40A | 16036 bytes |
SHA-256: 35d3440dae1ebc896564e4e6f70ea95aa3a30a1ac603c7fffbb21b68b8b72e2f |
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