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 0.9998
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/123?utm_term=cisco+3850+switch+ios PDF link annotation
- https://vosasavowaje.weebly.com/uploads/1/3/4/5/134587316/razobetijuj.pdfIn PDF document text
- https://worojipe.weebly.com/uploads/1/3/1/3/131382243/butepidoku.pdfIn PDF document text
- https://vorexumezekadan.weebly.com/uploads/1/3/0/9/130969740/gojibuwuxit.pdfIn PDF document text
- https://gosibipidumoduj.weebly.com/uploads/1/3/4/3/134318513/kerugumokogekiveg.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://ab737b70-891a-4a1f-8db9-ee548211cb31.filesusr.com/ugd/ce14f3_a37524995cac47e68917e68be5dfdb6c.pdf?index=trueIn PDF document text
- https://b20aee1f-b1b7-4e4e-be5e-d884e4ece670.filesusr.com/ugd/10e3af_cbbc17a726514ac18cc2891921fb2787.pdf?index=trueIn PDF document text
- https://37e0f79d-b0c1-4727-b76d-5b759c81288f.filesusr.com/ugd/9c66ff_b3c1f5934b0d4acdad2329e127bf4488.pdf?index=trueIn PDF document text
- https://6db1e9a2-4282-4636-8d41-de07325ad911.filesusr.com/ugd/d97b38_f655b2e1476a4dee980721f3487d7564.pdf?index=trueIn PDF document text
- https://38c8c62e-1823-4c1e-8220-bc61efcc8a1c.filesusr.com/ugd/c24b9b_4b6c309d028443feabe4b7b1cc37484b.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/756269f3-2dec-4890-8ce3-ffcd9299b71e/salton_yogurt_maker_ym9_manual.pdfIn PDF document text
- https://c1e70603-6ca1-47bc-880b-b60d7d434995.filesusr.com/ugd/df625d_3cfe0cc94eba44baab8e3d3a8db45d3d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/49c1cfde-5c80-4e5a-86c4-83f0fb649afb/how_to_type_copyright_symbol_windows_laptop.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f17c2a69-f92a-496c-8ffa-e75cda33de87/tutebubevefetu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4e43c9af-1944-405d-9d02-0cf445a1f7f8/standard_horizon_hx890_best_price.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/15943fe1-ea90-4123-9fa3-1a1959c09ac0/sirudopodifozazaruj.pdfIn PDF document text
- https://a97be2a3-bfb5-42de-bba9-b145341b31aa.filesusr.com/ugd/1f2860_593e3f6ac0f04948b286c0b03b80ede7.pdf?index=trueIn PDF document text
- https://54a0e2cb-796f-4f80-9aaf-d11633176b06.filesusr.com/ugd/b0c554_ed523a9c7fe44f019017962349594637.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/35744413-8d06-4931-bf74-4bf4b238b68c/how_to_draw_dc_comics_superheroes.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4bb509b9-f553-4ab8-8a00-87e32e242e22/81688446822.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_off0000ed3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED3D | 5168 bytes |
SHA-256: 21e9c02f1bec80a3f19c01b2e0daee104adbf90d3fbdab3eb7f119e6e4fd1585 |
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font_01_sfnt_off0000feee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEEE | 11368 bytes |
SHA-256: 4be326320cf3a3e91ca39c03c70e834dc5a8699a39344e3dfa933910d618aa9c |
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