MALICIOUS
126
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 PDF contains numerous embedded URLs, with a primary external URI pointing to 'https://seumenha.ru/123?utm_term=best+background+pictures+free'. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests the PDF is designed as a link farm on disposable hosting, further supporting a phishing or malware distribution scheme. No scripts were extracted, but the presence of embedded URLs and the link farm heuristic strongly suggest a phishing or malicious redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://seumenha.ru/123?utm_term=best+background+pictures+free PDF link annotation
- https://cdn-cms.f-static.net/uploads/4403938/normal_602455a2a3464.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4476924/normal_60126407d6b3b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4412170/normal_5ff093e9eb3ca.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4459792/normal_60079ed1be907.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4450730/normal_5ff18d47d70df.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4499651/normal_60521f14d6a37.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380392/normal_6009eabc4a233.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://wojipag.pbworks.com/w/file/fetch/144820710/muvavepemizunemu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/94ee6280-42af-4575-8d5b-20b179a61362/zikumofusawamumal.pdfIn PDF document text
- http://rujuboxu.pbworks.com/w/file/fetch/144730173/93748286550.pdfIn PDF document text
- http://giresizuloki.pbworks.com/f/how_to_find_a_missing_side_of_a_triangle_using_trigonometry.pdfIn PDF document text
- http://wemilamozede.pbworks.com/f/92414036741.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d2b58dd7-eced-4d9e-83bc-63d22e04f0a1/i_was_sitting_at_the_counter_counting_up_my_drug_money_lyrics.pdfIn PDF document text
- http://daridameku.pbworks.com/w/file/fetch/144640149/wave_warrior_sonic_exe_1_light_version.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ed0250bf-7b0b-4abd-956d-f84c89da1c78/best_handheld_water_flosser.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f3906534-d3ed-4993-85cc-3479bb42fd6b/shark_handheld_steam_cleaner_not_working.pdfIn PDF document text
- http://dewubuk.pbworks.com/w/file/fetch/144422160/chal_mera_putt_2_full_movie_download_720p_filmywap.pdfIn PDF document text
- http://kigemulu.pbworks.com/f/how_to_unblock_minecraft_firewall.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/da10e248-b54b-4d6d-a379-f76b9e81e41c/how_to_use_brother_dsmobile_920dw.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_off0000e63b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE63B | 5544 bytes |
SHA-256: 597b01e1fa59af48f5f39c6a8b2d6e845f14b4f9fadd81c00f3fbe87d7d9f99d |
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font_01_sfnt_off0000f92a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF92A | 10344 bytes |
SHA-256: 286aa9983b07871ba09be934f974bf6e52486881257b55b49ec0bfc057751543 |
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