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://pelibifir.ru/award?keyword=astronomy+principles+and+practice+pdf+free+download PDF link annotation
- http://onlineeshop24.xyz/zoreret8vcub.pdfIn PDF document text
- https://moxalabukeziro.weebly.com/uploads/1/3/4/7/134772199/603ed.pdfIn PDF document text
- https://gazikurow.weebly.com/uploads/1/3/1/4/131452893/butusonilo.pdfIn PDF document text
- http://instup.xyz/odysseyware_answer_key_english_9mfexd.pdfIn PDF document text
- http://straponartist.com/18658059455hbvag.pdfIn PDF document text
- https://gabejopow.weebly.com/uploads/1/3/4/5/134597712/niwub_tuwunotijuj_putijago_kulelojuza.pdfIn PDF document text
- http://cmb-accueil.com/tm_ac1900_merlin2eayu.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/06387d18-5f0b-4877-b7c4-3b8238f238ce/mesopuxilefimilotebopuxek.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/69522e54-48a8-41c3-bf7e-c1a3151bc6da/nebomokaxejajomuf.pdfIn PDF document text
- https://s3.amazonaws.com/pozokimepe/can_i_renew_my_drivers_licence_before_it_expires.pdfIn PDF document text
- https://s3.amazonaws.com/nawosineromigi/watch_blue_is_the_warmest_color_english_subtitles_online_free.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dea1e8c3-de19-452e-8109-52d55be3983b/charla_de_seguridad_novedosas.pdfIn PDF document text
- https://s3.amazonaws.com/vezumobigodub/bafazasobugevesupudepiloj.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b1ae6f44-25c0-4702-830a-06ae622f6ad2/66874382422.pdfIn PDF document text
- https://s3.amazonaws.com/dowesitobuga/alfredo_bosi_leitura_de_poesia.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/94fa9295-1ac5-4e9b-a235-e3e42e6e285f/jasede.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/56fb9526-41c7-45e5-8666-a9a47079f512/scansnap_s1500_operators_guide.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b788a743-ad6d-4f0e-8681-0ad05bbed603/how_to_show_text_not_formula_in_excel.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/565b0d7f-d340-45b9-865c-12aeae7f655f/xijisezeperepi.pdfIn PDF document text
- https://s3.amazonaws.com/kelageketisefuv/kojaporolabakakijitawi.pdfIn PDF document text
- https://s3.amazonaws.com/bipepezuwed/lavufolapujefo.pdfIn PDF document text
- https://s3.amazonaws.com/xugigabitulu/dopuzidune.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_off0000e432.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE432 | 5484 bytes |
SHA-256: 93b4e7d3159962967ffb5fbb31c83e8dc96bb2f8ad1f1495c93a9e16f5c042b1 |
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font_01_sfnt_off0000f6dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6DC | 11096 bytes |
SHA-256: c87f54c6e3138fa331d3e64a9e050d76d2293f950fce0edb2825594de8a13e8d |
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