MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, containing numerous external URIs pointing to various websites, some of which are disposable or used for SEO manipulation. The primary malicious URL identified is https://oniceh.ru/pbw?utm_term=e+balagurusamy+ansi+c, which likely serves as a lure for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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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://oniceh.ru/pbw?utm_term=e+balagurusamy+ansi+c PDF link annotation
- https://mojakoxo.weebly.com/uploads/1/3/0/7/130739052/5607783.pdfIn PDF document text
- https://zedodunojoponex.weebly.com/uploads/1/3/6/0/136083391/nevifaza-nokotowakojilur-dukareb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369522/normal_603ee46062110.pdfIn PDF document text
- https://wojedebaroz.weebly.com/uploads/1/3/1/6/131637691/rizudiguf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4451227/normal_602e2a2e709d3.pdfIn PDF document text
- https://ligefunodimab.weebly.com/uploads/1/3/1/3/131398292/9e7414e.pdfIn PDF document text
- https://vebazefi.weebly.com/uploads/1/3/4/0/134040586/185c3ef893f1673.pdfIn PDF document text
- https://vokoziga.weebly.com/uploads/1/3/4/3/134389491/b4639aad3b8212.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366339/normal_6058fb05c378b.pdfIn PDF document text
- https://natemavobu.weebly.com/uploads/1/3/4/3/134349428/2561110.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://pibuluwopo.pbworks.com/w/file/fetch/145003998/63807006570.pdfIn PDF document text
- http://depowota.pbworks.com/f/soluciones_isotnicas_hipotnicas_e_hipertnicas_que_es.pdfIn PDF document text
- http://jujirafamena.pbworks.com/f/can_you_retake_the_patronus_test_on_pottermore.pdfIn PDF document text
- http://xovakovawup.pbworks.com/w/file/fetch/144659712/moises_y_los_10_mandamientos_las_plagas_capitulo_163.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/680f2c33-89ad-4eb6-ae2a-5a7cbd0ced7d/what_age_group_is_the_book_holes_for.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8e83af75-9bbf-411a-b81c-2c7304f95e48/52202647813.pdfIn PDF document text
- http://pevaludim.pbworks.com/f/wagaxena.pdfIn PDF document text
- http://fezosubi.pbworks.com/w/file/fetch/144780942/how_to_calculate_volume_of_liquid_in_a_sphere.pdfIn PDF document text
- http://pexovobef.pbworks.com/w/file/fetch/144673560/48750153817.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a6031574-d59f-49f4-a9bf-8936ca349ce5/98309402829.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/97f9f260-fb61-4b7b-9c05-666e5d5f4032/mekawoketaxo.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_off0000ecda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECDA | 5316 bytes |
SHA-256: 868daa51526400b16f875aa658969f9c581b979494a1af30b56ad002a470c607 |
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font_01_sfnt_off0000fee7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEE7 | 12452 bytes |
SHA-256: 5ede784f1a86c9616311ac4b24f076cbba6aafe6d04a6e1e93b4d0c274fc33bb |
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