MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links pointing to external domains, many of which are hosted on disposable or link-farm services, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 5
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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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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://midufefew.ru/wix?keyword=posterior+fossa+craniotomy PDF link annotation
- https://cdn.sqhk.co/wejafivelij/RvPiihj/55929772168.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387939/normal_604502216689d.pdfIn PDF document text
- https://cdn.sqhk.co/sujubowip/jm4mhIn/41034356643.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4368227/normal_5ff26bb55a6d4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446035/normal_600ecc8e7b00d.pdfIn PDF document text
- https://cdn.sqhk.co/xasakeza/Qhh9ITA/49586100715.pdfIn PDF document text
- https://rugibabolunape.weebly.com/uploads/1/3/1/4/131454120/ralafenul.pdfIn PDF document text
- https://kuxiwidozerapi.weebly.com/uploads/1/3/4/7/134728536/a17c8d7de2e3fe.pdfIn PDF document text
- https://cdn.sqhk.co/salefudodid/rqHhjid/happy_meal_apple_slices.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4483870/normal_6058bb8fb424a.pdfIn PDF document text
- https://pudosibax.weebly.com/uploads/1/3/5/9/135964381/814455.pdfIn PDF document text
- https://pinowutofabu.weebly.com/uploads/1/3/4/7/134763632/e7db3aa404.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4476939/normal_5fdd6ed44eff4.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://ac263381-fdad-4fda-ae78-6df6d71032d6.filesusr.com/ugd/25c42e_9e58d5961eb9406fb00939870a32dd4c.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/c31bf848-a182-4120-afdc-a39b7a5f05e5/how_to_remember_resistor_color_code_easily.pdfIn PDF document text
- https://s3.amazonaws.com/mafavuzenoliki/mitowulakigefipetetapuka.pdfIn PDF document text
- https://s3.amazonaws.com/wumodukubaru/paperman_piano_sheet_music.pdfIn PDF document text
- https://5a995288-ce6f-4ae3-a3e6-14272d8003db.filesusr.com/ugd/7be1cd_f217892075ac40fcb1cf14b7c55a9334.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/dosipive/jugifazavimive.pdfIn PDF document text
- https://s3.amazonaws.com/xeroguru/how_to_set_clock_on_pioneer_mixtrax_touch_screen.pdfIn PDF document text
- https://s3.amazonaws.com/dudujopixejikug/stone_age_worksheet_for_grade_3.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6060710d-8fc1-4f2e-b2ad-c43746e01f0d/sozovadawetekix.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
- 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_off00011726.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11726 | 4884 bytes |
SHA-256: 74a6e5158b0ef543e2aadb68086e6599e89911fb97897ff6f39e2c8ce50fd632 |
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font_01_sfnt_off000127a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127A6 | 10900 bytes |
SHA-256: b39c368d3960e2e0693bc659adb563fe30184af7cd7c3436fee6f68670ee4626 |
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font_02_sfnt_off00014d13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14D13 | 16036 bytes |
SHA-256: bc1c1644e30597ae0beaac312b9749a82b64e26c109397326cdc67fdbaf2fe17 |
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font_03_sfnt_off0001617a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1617A | 4324 bytes |
SHA-256: ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230 |
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