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 0.9993
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://zajinet.ru/strik?utm_term=why+is+my+samsung+tab+e+so+slow PDF link annotation
- https://cdn.sqhk.co/puzadowoke/jbEqZij/bewivegunebotitanojer.pdfIn PDF document text
- https://cdn.sqhk.co/zovitamojim/sZaazib/vertigo_exercises_spanish.pdfIn PDF document text
- https://cdn.sqhk.co/jonilinenuvo/jgUibxe/25782775006.pdfIn PDF document text
- https://cdn.sqhk.co/lipisowonili/xYZgiic/papillary_thyroid_cancer_guidelines_2018.pdfIn PDF document text
- https://cdn.sqhk.co/ruxuxona/giihbId/bezixajevixed.pdfIn PDF document text
- https://cdn.sqhk.co/guvawatuzax/Usdi8jd/lavisogalolex.pdfIn PDF document text
- https://cdn.sqhk.co/piwewupovo/jUeJCPn/75295514084.pdfIn PDF document text
- https://cdn.sqhk.co/sugefixa/EijBXwa/rambo_pony_fly_sheet.pdfIn PDF document text
- https://cdn.sqhk.co/pibepufas/jeiiii1/4627486930.pdfIn PDF document text
- http://xtreme-sport.ru/stairway_to_heaven_vernon_nj_maphzjtl.pdfIn PDF document text
- http://blue-tick-central.com/dogutuxenigixogoqhauv.pdfIn PDF document text
- https://cdn.sqhk.co/dubikureta/Liebjfe/45064762332.pdfIn PDF document text
- http://centerverifybadge.com/amazon_supply_chain_management_salaryrqknn.pdfIn PDF document text
- http://detonic-buy.website/71326619323gnoz6.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://eb62986f-0112-409a-9ebe-777412bc5c19.filesusr.com/ugd/26938b_349a5338b77a4876a383eab81cb1b023.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/rixevozajixezos/one_page_cv_website_template_free.pdfIn PDF document text
- https://d52369c8-37f2-40d9-9d5f-d682b3b4a2e4.filesusr.com/ugd/6d5a7b_59763319d3144b26be03110286594ee4.pdf?index=trueIn PDF document text
- https://5fb3b2f4-e86d-4029-b823-ac5950ddf4c1.filesusr.com/ugd/c0aa49_fde820d5970c44179998ce8ad284151c.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/numegubowalonan/router_edge_guide_ryobi.pdfIn PDF document text
- https://75e6d08a-b14f-4c2c-bd4e-3e6431d9d11c.filesusr.com/ugd/497a87_072c3f64b89e4b12b3c76d626ee7258c.pdf?index=trueIn PDF document text
- https://59548cc9-d6a6-4b2e-bd73-2bfb7290c7b5.filesusr.com/ugd/3fd21f_8dad6eca9b3a4eab99395e985977f01a.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wulagisi/15788419721.pdfIn PDF document text
- https://s3.amazonaws.com/fonibinaraj/3_hp_briggs_and_stratton_engine_manual.pdfIn PDF document text
- https://0c2a7d7b-be9d-4ef2-a94c-09ca905cc17d.filesusr.com/ugd/7d21c0_88240782a1cf462a8c19cd10cfe9b71d.pdf?index=trueIn PDF document text
- https://4bf641bf-117a-4913-931f-55e49063997f.filesusr.com/ugd/5befcb_c0e7154705894869986433c22a2b0137.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_off0000f67a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF67A | 5348 bytes |
SHA-256: 3e4183d79f863385b4767903e27bb27ffaf47a585131a45099a1614bd987e173 |
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font_01_sfnt_off000108a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108A6 | 10800 bytes |
SHA-256: 8efde83dc7d8aec213c965f8482150f8e72197f43d2f49c098f82e9c70274acc |
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