MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by ML classifiers and ClamAV. It contains a large number of external links, many pointing to disposable hosting, suggesting it functions as a link farm for phishing or malware distribution. The embedded content, though heavily obfuscated, indicates the presence of JavaScript, likely used to facilitate the redirection to these external URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://nipisod.ru/123?utm_term=fortnine+helmet+guide PDF link annotation
- https://cdn-cms.f-static.net/uploads/4388827/normal_60226989ea357.pdfIn PDF document text
- https://cdn.sqhk.co/xobitabab/VKijII9/my_success_story_business_game_hacked_apk.pdfIn PDF document text
- https://cdn.sqhk.co/ketofebem/gf5RHij/qr_code_scanner_for_windows_10_free_download.pdfIn PDF document text
- https://cdn.sqhk.co/noneniwetav/EhfEhaV/kannada_melody_songs_album_free.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4412174/normal_5ffb3897d4acd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4497358/normal_5fd5f81634530.pdfIn PDF document text
- https://cdn.sqhk.co/mareduviger/eSNuUib/cowboy_game_today_score.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413846/normal_605128c42d753.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4490757/normal_5fee83789a57e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4457320/normal_60436dc255435.pdfIn PDF document text
- https://cdn.sqhk.co/malasexek/iaiiJhc/occupational_health_nurse_practitioner_salary.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://c4a0f302-b060-43a0-af10-a0364da5eca7.filesusr.com/ugd/c6d327_1844cf1f3ee34c73b393556304a1908c.pdf?index=trueIn PDF document text
- https://7b9449e5-51e9-4a7e-81f5-8587c42320f9.filesusr.com/ugd/571bad_2224d79b92114c67b8e52369df5a59cb.pdf?index=trueIn PDF document text
- https://f4a80ce2-0a24-44e2-aff7-13c87a434ee9.filesusr.com/ugd/ace063_cdd34cc6c4974edaa4ab30325ea6634f.pdf?index=trueIn PDF document text
- https://a49aa754-465e-4bbd-924e-b3d0e7b66bd4.filesusr.com/ugd/81d6a4_c5ecd1a47ba048cca3f7fc0124ffc7fb.pdf?index=trueIn PDF document text
- https://58f604bd-1fd8-4cfe-af9b-f15e67d030d5.filesusr.com/ugd/9a7439_f0c13bd5fce14aadb5d9adbbfb898835.pdf?index=trueIn PDF document text
- https://dbba0f06-1911-40f0-8c80-a2638c7f81cc.filesusr.com/ugd/b13fd1_85a31aa63d27443a9c5b9c9b4bdb38ed.pdf?index=trueIn PDF document text
- https://af0fe010-594a-4ec7-a26b-e2d78e33490d.filesusr.com/ugd/7d2910_4f2bc7ae255947ada8ab54c5ec7f8c42.pdf?index=trueIn PDF document text
- https://86b7bb9a-6a0b-496c-a062-e8aa60c365d0.filesusr.com/ugd/dcf311_3700a91f43d0434d971773ffd138fe95.pdf?index=trueIn PDF document text
- https://0b7b936c-93ac-4a60-9644-6ba220b934cc.filesusr.com/ugd/b4bf80_204ed1d78e674bfda403dfa1222511b8.pdf?index=trueIn PDF document text
- https://98350ace-7ac4-4f38-a9d9-579fdad8050b.filesusr.com/ugd/9b2d9b_e1c448683b1d4702ad96b11d5930891d.pdf?index=trueIn 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_off000107c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107C6 | 4808 bytes |
SHA-256: 8c0711d96787b811485add323e861f42bc7a0e4b6a8a2abfd39ca40b3bd83b14 |
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font_01_sfnt_off000117f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117F8 | 10864 bytes |
SHA-256: 236cdf25c0029255932d7c8e7c51a23f8e55e7b46dde4978d4d887fbda711362 |
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