MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with several heuristics indicating a link farm designed to redirect users to potentially malicious sites. The presence of a known malicious redirector URL and a high ML classifier score further support this assessment. No scripts were extracted, and the document body was heavily truncated, limiting further analysis of specific lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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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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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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/123?utm_term=malayalam+angry+whatsapp+status+video In PDF document text
- https://cdn.sqhk.co/pewesopefim/uihdLrM/drag_racing_helmets_snell.pdfIn PDF document text
- http://saniwofixapu.mygamesonline.org/vojinuravudexum.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4376357/normal_5ffb3e094a56a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403260/normal_601e8c863a6fc.pdfIn PDF document text
- http://guzoseta.getenjoyment.net/how_to_reset_panasonic_split_air_conditioner.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475995/normal_5fd0f7c609db5.pdfIn PDF document text
- https://cdn.sqhk.co/susojareb/g7Bs4d1/cut_paste_photo_editor_software_download.pdfIn PDF document text
- https://cdn.sqhk.co/ranotigu/d9hbjaX/classic_sport_12mm_fold_n_store_table_tennis.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415061/normal_60446d429670a.pdfIn PDF document text
- https://cdn.sqhk.co/gusoguribus/Z3ldidR/predator_dlx_fishing_boat.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/34782ca0-398e-4fdd-9793-46762c81119c/mekotebugojulus.pdfIn PDF document text
- https://e809654a-a95b-4dbc-a338-24085255a2f8.filesusr.com/ugd/1b6cec_2d657a201f9c4524b75b7a5317ff92cf.pdf?index=trueIn PDF document text
- https://b4095e1f-5e43-4c35-8b28-ff0c3185c247.filesusr.com/ugd/9cc3de_0f48b5ea668844d49b13e24c2a4dbb0d.pdf?index=trueIn PDF document text
- https://4eb3a9b5-ca6a-4b2a-896e-878abc754f3b.filesusr.com/ugd/f1ab86_9f020fa0265048a6826d2e389b195a58.pdf?index=trueIn PDF document text
- https://6ddb26ad-aa8e-4a3e-a925-5cef6fc035e1.filesusr.com/ugd/d3d820_e014eb92f0a5468fa3f4ef58b44ace31.pdf?index=trueIn PDF document text
- https://ed36ca5d-e6e9-4caf-8bbb-3a8af5cfee16.filesusr.com/ugd/971556_56786d07b8584ee8bd6dce4b72818099.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/9653e271-a4b4-472b-8302-66e2b9359582/37039996482.pdfIn PDF document text
- https://87b84290-c0b3-4c73-97a1-3d59c64c3f69.filesusr.com/ugd/c638b7_0deff65f61c84b96a57df111f04407a3.pdf?index=trueIn PDF document text
- https://09d7e2b9-79a3-4876-9e00-73a1ba4263a4.filesusr.com/ugd/92fcd7_cf7e6ba5e0b74a399c3c6afe7b2aa57b.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/b58b06c7-be14-4a05-893b-fc2b97cf4bc5/league_update_stuck_at_9.pdfIn PDF document text
- http://pusapovewazigu.onlinewebshop.net/pitarona.pdfIn PDF document text
- https://959e49da-b405-4961-97d4-5c1bb2e9a628.filesusr.com/ugd/ab0441_7073bce36f0a4a0c93dae388201f7003.pdf?index=trueIn PDF document text
- https://850a36a1-966c-46c3-86ed-e15bcb5778a7.filesusr.com/ugd/ede58b_5ea3e353669146aaa9adba64cbd173fa.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e3f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3F8 | 5632 bytes |
SHA-256: c8240852e46fbd767bfe833a6bf11a88930875a75df7594fba3277031c983edd |
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font_01_sfnt_off0000f719.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF719 | 2140 bytes |
SHA-256: 49dddaa543544930169c80d10742cf71a10a90771d945bdf421e53748b1fa594 |
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font_02_sfnt_off000100f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100F3 | 10812 bytes |
SHA-256: 8a131aecd29a065b514468d6252bee9eaca2d89e0b33ff71e5392c96751c7b6b |
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font_03_sfnt_off000125df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125DF | 16704 bytes |
SHA-256: e4936bc088db4f0a044f00235171630b1a152b2441b8e27547ca797b7b198046 |
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