MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing operation. The document body, though heavily obfuscated, appears to be a lure related to a piano worksheet, which is then used to redirect to malicious URLs.
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://soxebez.ru/123?utm_term=chord+inversions+piano+worksheet PDF link annotation
- https://befepoli.weebly.com/uploads/1/3/4/6/134687110/xixunikap-muzijivuwikeg-jebolow.pdfIn PDF document text
- https://ketodoligas.weebly.com/uploads/1/3/4/3/134384615/2290435.pdfIn PDF document text
- https://xinefozi.weebly.com/uploads/1/3/0/7/130775465/zutizem.pdfIn PDF document text
- https://tomasuniraruz.weebly.com/uploads/1/3/5/3/135392941/43d0920677c3.pdfIn PDF document text
- https://xefapakofaguwa.weebly.com/uploads/1/3/1/1/131164324/jabizilepiropedu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490367/normal_60450dea19530.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445749/normal_60669578c5236.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485711/normal_6041f2b1a451d.pdfIn PDF document text
- https://fokagiwixus.weebly.com/uploads/1/3/4/6/134652182/zerusepipe.pdfIn PDF document text
- https://bazunebusa.weebly.com/uploads/1/3/5/3/135397504/073a811.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4452381/normal_600d79bf28e50.pdfIn PDF document text
- https://jezogoxus.weebly.com/uploads/1/3/4/4/134402646/begisib.pdfIn PDF document text
- https://ledosixekesi.weebly.com/uploads/1/3/4/3/134313849/dakoxajipo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4402520/normal_5fe64b463aa70.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://tarogifere.pbworks.com/w/file/fetch/144485259/new_hollywood_movies_2020_tamil_dubbed_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7d47dd96-995d-40aa-b6b6-3a72d79af456/37690992743.pdfIn PDF document text
- http://jajisaparev.pbworks.com/f/how_to_charge_a_scosche_500k_micro_farad_capacitor.pdfIn PDF document text
- http://kibumezi.pbworks.com/w/file/fetch/144436890/benefits_of_dynamic_tension.pdfIn PDF document text
- http://xelivolofuso.pbworks.com/w/file/fetch/144532989/46294335291.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f17061b6-80e9-40a7-af4c-05ed08d71920/fichas_refuerzo_matematicas_6_primaria_santillana.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/76cc1e3f-1087-42f6-8044-00c40e78b314/is_cyberpunk_2077_on_xbox_one_x.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/13c13952-4afd-4064-9667-cf3275e1fb86/what_is_the_eve_of_christmas_eve_called.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e516.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE516 | 5136 bytes |
SHA-256: 6dcfc885e0de948440e0eb3cfc3d62094702011b4acd2198f9047848eb1b7573 |
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font_01_sfnt_off0000f69b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF69B | 11104 bytes |
SHA-256: 617dac7e986df7a4ebe77efd3aa2801088a647f30eaadf61e85fae036a4cdebe |
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font_02_sfnt_off00011ccb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CCB | 16120 bytes |
SHA-256: 46d9b83afd797048ab251ddfc9ca9a6db44f3280724c231f6a80a061bcc6fc12 |
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