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 0.9991
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://dafemum.ru/award?keyword=cornerstone+piano+chords+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4486566/normal_6056531ed2990.pdfIn PDF document text
- http://kerutugizuxig.mygamesonline.org/71507361846.pdfIn PDF document text
- https://cdn.sqhk.co/woleparos/cf9fshe/90360749661.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368999/normal_60322a8a90cf1.pdfIn PDF document text
- https://cdn.sqhk.co/kewesowovim/gcamZMH/tips_for_gang_beasts_games.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4482671/normal_5ffba1f1ec02e.pdfIn PDF document text
- https://cdn.sqhk.co/rogenujudita/ihii3UC/xewovopalok.pdfIn PDF document text
- https://cdn.sqhk.co/vetelojid/gcfgjjc/gluten_free_pastry_recipe_with_self_raising_flour.pdfIn PDF document text
- http://mujubow.getenjoyment.net/what_does_straw_man_mean.pdfIn PDF document text
- https://cdn.sqhk.co/tabuguran/fghUGgj/mojegaki.pdfIn PDF document text
- https://cdn.sqhk.co/rozesivotix/ieCtgiV/show_me_funny_pictures_of_dogs_and_cats.pdfIn PDF document text
- https://cdn.sqhk.co/fukonovum/jLLij7r/srso4_state_of_matter.pdfIn PDF document text
- http://sitizinudex.getenjoyment.net/franchising_management.pdfIn PDF document text
- http://mavaxur.mywebcommunity.org/fakikodatufugik.pdfIn PDF document text
- https://cdn.sqhk.co/nexetifosam/OigZaid/oneplus_care_app_canada.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4478933/normal_604cccfa36c06.pdfIn PDF document text
- https://cdn.sqhk.co/sarafogu/3hamig6/make_server_minecraft_pe_free.pdfIn PDF document text
- https://cdn.sqhk.co/rizanatu/hcgjhd6/amazeballs_recipe_eat_fat_be_thin.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404296/normal_601b83cc62983.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://237a2310-9536-43ad-add1-fe73b840a51a.filesusr.com/ugd/8b319d_5d26a1e6d6124c29b904995de525ed33.pdf?index=trueIn PDF document text
- https://b01ec662-dec5-4f54-b977-8708717d6054.filesusr.com/ugd/07e02c_7809ecb46f79460e89566f1e0590cf35.pdf?index=trueIn PDF document text
- https://d4f4546a-a836-4b3d-8651-c56b89608eca.filesusr.com/ugd/3e9e83_22067416fed5477a8eabc2386ef18142.pdf?index=trueIn PDF document text
- http://vegubom.atwebpages.com/ultrastructure_de_la_cellule_vgtale.pdfIn PDF document text
- https://dacf5b84-f80e-4bd8-bb7f-22aad20a1cd8.filesusr.com/ugd/285be4_852b0d267b2342afa447002cc9155725.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_off0000ed3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED3E | 5116 bytes |
SHA-256: 659977cc16acffa7bccc85d26333c8454cf98da8103d76a558a6fba45a1ce1a0 |
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font_01_sfnt_off0000fe9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE9A | 11300 bytes |
SHA-256: c77145d5dbcdaa6f130a40c0140bebd683f2e7bc75f712dc7fec665a3589bb27 |
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