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 0.9996
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://cructi.ru/pbw?utm_term=introduccion+a+la+neuropsicologia+portellano+precio PDF link annotation
- https://cdn-cms.f-static.net/uploads/4451374/normal_6041d9653f5e9.pdfIn PDF document text
- https://ledifufopore.weebly.com/uploads/1/3/4/5/134524185/4759975.pdfIn PDF document text
- https://tetavezodumop.weebly.com/uploads/1/3/4/6/134645623/4b37e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4417405/normal_5fe1581e88e26.pdfIn PDF document text
- https://nuwomanat.weebly.com/uploads/1/3/4/6/134664603/pebulagurom_refikugepimo_liderijome.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384644/normal_6034cfee5d5ee.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://xuruzinijub.pbworks.com/w/file/fetch/144428496/35531160979.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0cd44074-13c7-451a-85c4-c5aecee21d9c/71362594498.pdfIn PDF document text
- http://wojoxevom.pbworks.com/f/fonts_keyboard_-_cool_fonts_pro_apk.pdfIn PDF document text
- http://tikomegeto.pbworks.com/w/file/fetch/144661974/what_are_allotropes_of_carbon_definition.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b560befb-4a32-427b-b683-819a90268631/diccionario_biblico_reina_valera_1960_gratis.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8eb0d7c9-6872-4e6a-8a71-3dc4db824d52/68479688177.pdfIn PDF document text
- http://paderukut.pbworks.com/w/file/fetch/144467904/naruto_shippuden_ultimate_ninja_storm_legacy_ps4_chile.pdfIn PDF document text
- http://pebegijopolo.pbworks.com/f/48913180240.pdfIn PDF document text
- http://vafobotigef.pbworks.com/w/file/fetch/144637755/71680175412.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dc887888-6ab3-447e-814f-13579d79dbde/fojuboxe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3cd5042f-9a9e-423f-9b58-e807fc8a4327/rigarejiwerag.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/218923c9-00d6-42d3-bdbd-984c773b8249/vozuzejiruvixemusiv.pdfIn PDF document text
- http://vogituvu.pbworks.com/w/file/fetch/144604893/general_aptitude_test_papers_with_answers_in_tamil.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/82aad498-4d27-4b5a-9e6a-2c67124e0497/21773864116.pdfIn PDF document text
- http://buvavipoluvu.pbworks.com/f/how_to_find_my_saved_passwords_on_android.pdfIn PDF document text
- http://difusowafid.pbworks.com/f/is_core_knowledge_common_core.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_off0000e405.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE405 | 5180 bytes |
SHA-256: 7e2537459e25f22062936a1c4fe0bb0c77ea202a1d77bae0eca45d9d1d394dd7 |
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font_01_sfnt_off0000f5ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5AB | 12040 bytes |
SHA-256: 3fd7a14b334b3e877fb04d711a88a7e429706d5b35d770b23745b548ef622529 |
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