MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://nipisod.ru/123?utm_term=royal+canin+chihuahua+feeding+guide PDF link annotation
- https://nebofubegifeso.weebly.com/uploads/1/3/1/4/131437549/bajeforigigol-wonojofuk-keropogupigeki-dekowix.pdfIn PDF document text
- https://wudegilunukoga.weebly.com/uploads/1/3/1/3/131379548/rejipira.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/bd4fec7b-72eb-4bd2-9358-ab7e4fe2be2d/fifty_shades_darker_netflix_canada_release_date.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ee991688-dc08-43dc-a7cd-3136c1465471/21089117074.pdfIn PDF document text
- http://didaneguk.pbworks.com/w/file/fetch/144425175/tanujivupelitovimadop.pdfIn PDF document text
- http://zubipuwaf.pbworks.com/f/what_is_the_advantage_of_globalization_in_ethiopia.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4217e07b-0c3d-4cd7-8888-c5f2566590b4/fumodebiko.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d389d12f-b833-4da5-8565-545eff87f633/kung_fu_panda_characters_3.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/48b4871b-0cb6-4fe2-abe1-16fbe76e242d/55203297859.pdfIn PDF document text
- http://pilujibos.pbworks.com/w/file/fetch/144491994/saber_meu_orix_pela_data_de_nascimento.pdfIn PDF document text
- http://lebunurivugu.pbworks.com/f/how_to_wash_koolaburra_ugg_blanket.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bae46bb8-88ff-4fd1-9a28-7bca7c915564/48134296162.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/66e20195-06ed-4981-9a8f-58c9dabc55fe/makowiwozuvabum.pdfIn PDF document text
- http://lopofemusun.pbworks.com/w/file/fetch/144529623/26317094649.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1363872c-87ef-423c-be2e-5ee8a204c9c5/concepto_de_investigacion_aplicada.pdfIn PDF document text
- http://bofamawetodo.pbworks.com/f/gexefagukuweridedirire.pdfIn PDF document text
- http://kedetuwi.pbworks.com/f/gewuxebememebo.pdfIn PDF document text
- http://wekibivu.pbworks.com/w/file/fetch/144458178/jopefaboponudopejadodef.pdfIn PDF document text
- http://maxasol.pbworks.com/f/66375531734.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fc11e66e-7a56-4ae4-8ec1-17ab864c5a61/understanding_nutrition_15th_edition_google_books.pdfIn PDF document text
- http://pinurakus.pbworks.com/f/ejercicios_resueltos_de_limites_de_funciones_racionales.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7cde22a6-e693-4715-bd46-8f5551fc4dcb/is_nova_7i_support_google.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e1eab398-ca7b-4a9f-bd60-e0f844604555/briggs_and_stratton_675_series_pressure_washer_oil.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_off0000ed82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED82 | 5120 bytes |
SHA-256: 21be80855556e5ceff2beef619d0b3426e36dfbc68c06562850bbd42a635b393 |
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font_01_sfnt_off0000ff03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF03 | 11164 bytes |
SHA-256: 25a3ddd4e376dd498e363d820286e6c842dab0a1868e9c53758d71f2c347ed29 |
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