MALICIOUS
222
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating malicious redirection and a link farm, with one critical finding pointing to known malicious redirector infrastructure. The embedded URLs and the ML classifier strongly suggest a phishing or malware distribution attempt. Although no scripts were extracted, the presence of malicious links and the overall structure point towards a phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://crophysi.ru/award?keyword=bsc+mathematics+notes+pdf In PDF document text
- https://cdn.sqhk.co/liwifetil/ajRheKH/46050765865.pdfIn PDF document text
- https://cdn.sqhk.co/kufagilan/b9ifjiF/faith_family_church_mn.pdfIn PDF document text
- https://cdn.sqhk.co/tedigedubemi/iehbOCa/occupational_therapist_salary_raleigh_nc.pdfIn PDF document text
- https://cdn.sqhk.co/fenazijeguk/iajaiD1/rush_limbaugh_on_the_radio_near_me.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://s3.amazonaws.com/zodawanuror/zosomegegika.pdfIn PDF document text
- https://4cf2acc4-d143-4013-a78d-f21de0873c4f.filesusr.com/ugd/e4636f_f0d373451984420c9c9f5a8778346005.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/xiwevitox/how_to_clean_vicks_warm_steam_vaporizer_v188.pdfIn PDF document text
- https://s3.amazonaws.com/tuzakifezara/computer_elevation_cad_block_free.pdfIn PDF document text
- https://6d23287f-a15b-43b7-8d69-700c0e01f504.filesusr.com/ugd/185c00_7398d9d9ead4459fa930e058c9d20e68.pdf?index=trueIn PDF document text
- https://bad3f395-1638-4667-b349-d6f934eeab49.filesusr.com/ugd/ed2d23_60c1f685f49643a693ebe339d736cd00.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/napoledunadigo/leaf_structure_worksheet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4832f5a3-f33b-442b-815f-da3b190bc844/the_landlady_poem_ap_lit.pdfIn PDF document text
- https://s3.amazonaws.com/jesidofefe/is_my_mississippi_drivers_license_a_real_id.pdfIn PDF document text
- https://973697ad-ffa4-4f9d-85cd-0c9d1ea039ee.filesusr.com/ugd/5f5755_adf9367b6b004ad1a031e4fa2d4eeca4.pdf?index=trueIn PDF document text
- https://2a4c341d-9af7-4f89-b48a-1b926ad6ced7.filesusr.com/ugd/dd6616_827d92e810d5451f9d40eb697ae90cca.pdf?index=trueIn PDF document text
- https://01c4c9a3-ee74-4db9-a65d-799443b8dbf1.filesusr.com/ugd/a64c8c_bd448ad3fbf8422f8eb479138eb0c22c.pdf?index=trueIn PDF document text
- https://dae57379-2785-4108-a223-4562ecbfc22e.filesusr.com/ugd/87ad98_fa6feec0066a47f9861d79f7b98d35f3.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/dazinibonofobi/sogevapedo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e6fbd35b-bbf9-49fd-82d9-a976d3fcf71f/kali_linux_commands_for_hacking.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00014fa2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14FA2 | 5316 bytes |
SHA-256: 13bd6e4f318ac2b2413ac5598c6cbbfa9e2c922314ee35fb8ca974bcbccfcac1 |
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font_01_sfnt_off00016194.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16194 | 3204 bytes |
SHA-256: 55635b50bad29c6b04cd9b4d5dd064b78be6c29eafc981c666da6fe4470a6799 |
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font_02_sfnt_off00016e8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16E8C | 12192 bytes |
SHA-256: 2fde7880c49d10984518993c452c7ecfe53c753dacc34dd88d048fc12d8dac89 |
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font_03_sfnt_off0001983c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1983C | 6864 bytes |
SHA-256: 93f15b647690a7f683b240fdd0d6c31457ef7e2dace5d4a7071faf0741eb102e |
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