MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a large number of external links, many pointing to disposable hosting, suggesting a link farm or phishing operation. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of embedded URLs and the overall structure point towards a phishing or malware distribution attempt, likely initiated via spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://xajibur.ru/strik?utm_term=delta+flight+attendant+salary+glassdoor PDF link annotation
- https://cdn.sqhk.co/fepebage/bohchQg/betololinuselazojebokaz.pdfIn PDF document text
- http://lnstagram-badge-verification.com/foketibuhmwvv.pdfIn PDF document text
- https://cdn.sqhk.co/libazosu/bjjYZgd/digicel_ding_top_up_phone_number.pdfIn PDF document text
- http://pay-order.info/burukonubefobedonifrzo5s.pdfIn PDF document text
- http://storeplus.pro/mathematics_for_economics_hoy_free_downloadsggra.pdfIn PDF document text
- https://cdn.sqhk.co/remokuvupen/dvgh3F3/galaxy_watch_3_titanium_version.pdfIn PDF document text
- https://cdn.sqhk.co/fixosotefe/iageNSc/auto_reply_outlook_mobile_app.pdfIn PDF document text
- https://cdn.sqhk.co/ranemagesoga/jciefgf/givufifusowugomaz.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/88fb923c-cd83-4f9c-8a0b-de775d04ed7c/23680974782.pdfIn PDF document text
- https://d6bf9bfb-c092-4b17-ab9f-91da83e6a9d2.filesusr.com/ugd/d7ad14_bfa4a190544c4749ba32cb4b3a467ad0.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/4a013da0-8133-42f8-8c6c-bc825bce9d53/tp-link_tl-pa4020pkit_powerline.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8b41806b-edab-4bad-94a8-3244ea7ec966/xufep.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/202fa521-36c8-491a-a468-7dcde7431513/james_patterson_books_2018_and_2019.pdfIn PDF document text
- https://45884d5c-3037-4093-99f9-9b9c28a1e9f0.filesusr.com/ugd/3721b1_de1f939192e241a3987e06a82fa33644.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/a1e39651-4c5a-4c47-b109-1c77dc582b40/what_is_a_native_american_called.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5315fdc4-ce5d-49ee-ae74-6fccefea5e2a/9838522769.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4daf8acc-eecd-42c5-ba94-8d1908e5ed2e/56514090308.pdfIn PDF document text
- https://a79fbd7c-12a6-44fe-9d3c-43dc2b0795a8.filesusr.com/ugd/f95141_e398822fe5844862b3d6b3a751fa50e8.pdf?index=trueIn PDF document text
- https://2a07c75e-e898-48ba-b326-4cccc82d0599.filesusr.com/ugd/ff154e_58c0dc1427d84f0b991783086b8558d8.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/c154ea77-9bb3-42d6-9ece-83408a97777e/wd_my_cloud_home_duo_8tb_price.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dd9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD9D | 5268 bytes |
SHA-256: 683b5f2d0fe320dc145be2e5f10dc8a7591b5ef9620f52bbef0b4a08ce4fa9db |
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font_01_sfnt_off0000ef95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF95 | 10740 bytes |
SHA-256: 90317d0121e12f51d748651dc4d1393158021a7e85bc8538d4e06db118d5eff5 |
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