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-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://seumenha.ru/strik?utm_term=trout+fishing+bait+set+up PDF link annotation
- http://bigmagazin.xyz/cigna_open_access_plus_provider_manualnozje.pdfIn PDF document text
- https://poroxokinawutaj.weebly.com/uploads/1/3/4/5/134507376/323dd68ae.pdfIn PDF document text
- http://lovewaits.ru/how_many_carbs_in_panda_express_chicken_and_green_beansctpcq.pdfIn PDF document text
- https://xopavomubikun.weebly.com/uploads/1/3/4/8/134879687/nexuvabiwag.pdfIn PDF document text
- http://copyrightnotices-form.com/18656039907ru8r9.pdfIn PDF document text
- https://vanizubifimid.weebly.com/uploads/1/3/0/8/130874516/zigezanidelali.pdfIn PDF document text
- http://sy0n.icu/freckle_juice_read_aloud_chapter_5dw8w9.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://e0271a52-a7af-48e9-8a99-924ce320ec62.filesusr.com/ugd/be5703_360f03fdd67e44958c2b0e3551b40963.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/3146b247-c5db-44d7-af11-b52622315ee2/97298550662.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8763b17d-b14c-4bde-ac1f-2bdcee66ef1a/79134509849.pdfIn PDF document text
- https://d6aab468-caab-4d9e-910f-d3bf64ae4104.filesusr.com/ugd/5438e3_fe1b909e7d1f44348f4ea25de778e74a.pdf?index=trueIn PDF document text
- https://dedb376b-efc3-4528-ac10-fc65d12f866c.filesusr.com/ugd/5f6074_fe7af3c46c2348358e45452b6b8196ee.pdf?index=trueIn PDF document text
- https://16fd3b15-5541-4454-9538-28daacbf497e.filesusr.com/ugd/e32576_a53513da500247e09068ea7187ab0cde.pdf?index=trueIn PDF document text
- https://aed022ca-8a9d-452d-9022-56a74a585a14.filesusr.com/ugd/4d548e_58e444b10f6140d281e3e61bc9ccecc9.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/8177e7d2-ba89-446b-b248-5656bbcf2ae1/riello_rdb_reset_button.pdfIn PDF document text
- http://sazojojuw.rf.gd/union_budget_speech_2020_19.pdfIn PDF document text
- https://d09251a9-b09e-4077-8ccb-24037f005f7b.filesusr.com/ugd/a6ce17_04912bca119a459e8ce317690d89c8da.pdf?index=trueIn PDF document text
- http://zisufabelez.epizy.com/49213209676.pdfIn PDF document text
- https://d6b7b3c7-8429-4d82-9d75-5d5d09e763cc.filesusr.com/ugd/a8c229_c9f04b2b3e634b52926f56f421081bf5.pdf?index=trueIn PDF document text
- https://cb8582fb-ab29-4f13-bfd4-623ca244ab52.filesusr.com/ugd/d61b30_a035e65e82934b4b86ccb6fedd3b7e1b.pdf?index=trueIn PDF document text
- https://6552665f-f3ce-4070-9f47-7b493df4570a.filesusr.com/ugd/3d88c7_4b3e5b822d4c4789991fad8d2260830f.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eda8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDA8 | 5220 bytes |
SHA-256: 77e6b030d907fd1016ad6c41d9efa45c75f18c7924226cf4fb8f4b2c38377931 |
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font_01_sfnt_off0000ff67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF67 | 10604 bytes |
SHA-256: 4236757c10a2a635726007f64e3eafda2bb4c32016d1732da564bb3c5a07bacd |
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