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 0.9995
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=where+do+i+buy+a+thermal+fuse+for+my+dryer PDF link annotation
- https://cdn.sqhk.co/zenekukera/GjimeWw/zombie_drifter_prop.pdfIn PDF document text
- https://cdn.sqhk.co/dewavasese/ihgivgj/murder_the_king_game_unblocked.pdfIn PDF document text
- https://cdn.sqhk.co/tudosiki/2gdjbge/jebewutudiwet.pdfIn PDF document text
- http://genonobamubus.22web.org/transformer_polarization_index_test.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/1c25fb39-75d0-4818-9e29-4da0ac5372f2/constitucion_politica_de_1917_articulo_3.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ea76402a-bfa3-4ca4-9549-d73d9acf2489/sat_test_dates_march_2021.pdfIn PDF document text
- https://a6132035-7465-4fe4-be4e-2faa96c22dab.filesusr.com/ugd/cf950b_04cd98658ebd4c3d94fe75a7567f60db.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e759a190-8149-4a63-b15e-416649d67b24/once_a_runner_chapter_summary.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/29eee89d-2e47-4844-9fab-3246fc63f7b7/89423322425.pdfIn PDF document text
- http://xozesaf.rf.gd/the_best_science_fiction_books_2018.pdfIn PDF document text
- https://1cf095b7-1d29-4152-b82c-7733cf7ba0c7.filesusr.com/ugd/c1de29_d795882369c84d20a15aaef0e0f33ebb.pdf?index=trueIn PDF document text
- http://wozasunode.rf.gd/15380204267.pdfIn PDF document text
- https://bf808793-8b46-4c54-8b11-319763181fa0.filesusr.com/ugd/0d018b_0772f574eb45470d9340b72038b75a15.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/vapelurowar/83322369051.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2dc439ba-c530-4b53-84bb-b374377113a2/30412216861.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/27907af9-b7b7-43fd-b0e2-b92db8a93ed4/charlas_de_seguridad_minera_subterranea.pdfIn PDF document text
- https://s3.amazonaws.com/votubukaxogilix/cashier_training_checklist.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/976efa7f-604b-49b5-8b88-0eacc4053a1e/nikkor_500mm_f5_6_pf_review.pdfIn PDF document text
- https://60f6da8c-824c-4163-aae9-6195f2ac7ed4.filesusr.com/ugd/7f16bd_ccf46bda41e5449eb626834fb906634d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/210df82e-4489-4ea9-830f-aa99921ea6b5/the_whipping_boy_movie_netflix.pdfIn PDF document text
- https://s3.amazonaws.com/bezutu/gewixitulebodipeguzigewa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f91ef1b6-ddd0-4099-9f8b-dead4c8e19c7/56811854363.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_off0000f194.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF194 | 5404 bytes |
SHA-256: c82634c0554041eddfc285af65a7d1516ba182ce6ee71674e4c607474dd464a6 |
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font_01_sfnt_off000103d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103D8 | 10936 bytes |
SHA-256: bac1ec4e4f7e558441afb87b22fcb56ccb4e638846b77aaa2b74d0b1fe8559e6 |
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