MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
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 0.9991
Heuristics 5
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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 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://kuzutuzo.ru/strik?utm_term=under+editorial+board+review+pnas+how+long PDF link annotation
- https://static.s123-cdn-static.com/uploads/4453337/normal_60079ef71053c.pdfIn PDF document text
- http://vash-fasad.live/vedavapigofekumewvutw.pdfIn PDF document text
- http://topcreditcheck.info/57444562158siwvy.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368485/normal_5fd1558153452.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://vovakupalujum.onlinewebshop.net/tablighi_bayan_in_english.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/12c13edb-3465-4f83-bab8-4fb99429be00/keeper_of_the_lost_cities_book_1_audiobook_free.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eb97c62a-70bb-43a5-9870-22c82289b738/m-audio_fasttrack_pro_driver_win7_64_bit.pdfIn PDF document text
- http://sijadogif.atwebpages.com/tchibo_cafissimo_entkalken_bedienungsanleitung.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dc337b74-3b8d-4525-9f08-6c0efde8f7d4/merchant_of_venice_translation_in_simple_english_download_free.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/06b6b923-125e-40d9-a861-80dd70f362de/garmin_541s_troubleshooting.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5f6b3834-9987-41a3-802d-2389814982cc/how_to_add_a_new_font_to_wix.pdfIn PDF document text
- http://pizuzol.onlinewebshop.net/vinezexolezawategirobos.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a3059843-bf8c-49a6-bfdf-f34ad6a7b507/how_to_estimate_construction_cost_of_a_house.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/65680ab2-07ab-46f6-8342-908986c016e3/dungeons_and_dragons_young_adventurers_guide.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ad22fb08-9f3e-4d92-8e79-04f5a5e41640/18551454626.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3582fad1-48b0-4955-b5f6-a0feb0d02adf/basic_computer_course_institute_in_delhi.pdfIn PDF document text
- http://jugomirusulove.atwebpages.com/safawogepatarukuzorefu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/83e5de43-a87e-43e5-8ad3-15bd2ed44e13/life_inspirational_quotes_in_hindi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c91bb276-345d-469a-86e6-700c4c755885/hp_pavilion_dv6000_charger_problem.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c96449f4-1231-4350-95d0-26fe470631d9/the_secrets_we_keep_ending_reddit.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6471cd8f-30ec-47df-9c41-a1aec242726d/lord_of_the_flies_sparknotes_chapter_1-3.pdfIn PDF document text
- http://zaxuzut.atwebpages.com/tifesib.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0c469330-6fd8-439d-b310-8e04d4528bed/flowers_for_algernon_audiobook_part_1.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f998.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF998 | 5612 bytes |
SHA-256: cda352f1b54c7499ba58132c17f1f84b4590f7f1a977bbde7754f517164ad9b1 |
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font_01_sfnt_off00010ced.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CED | 5504 bytes |
SHA-256: ee09e893489f06e4f976e7dc944edfb5e687a5d328beba38d924b4add50df6e2 |
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font_02_sfnt_off00011fae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FAE | 10824 bytes |
SHA-256: c9523eecd61f431c1efa19d90a7e7e98a61ec80fe526c15eccb135fcd2a98467 |
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