MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF was flagged by ClamAV and an ML classifier as malicious, specifically as a phishing trojan. It contains numerous external URIs, with one pointing to zajinet.ru, which is likely part of a link farm designed to redirect users to malicious sites. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a non-clustered link farm on disposable hosting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://zajinet.ru/wix?keyword=mardel+bookstore+tulsa+oklahoma
- http://vafakewa.iblogger.org/pudozixiwon.pdf
- http://fikosarodone.medianewsonline.com/38396661650.pdf
- http://edapog.online/32121648996e9oq6.pdf
- http://gamukanemafutu.mywebcommunity.org/2010_camaro_zl1_convertible_for_sale.pdf
- http://rusadezebep.mygamesonline.org/override_replace_toner_brother_mfc_7860dw.pdf
- http://xibawolafubiz.getenjoyment.net/93980776079.pdf
- http://how2clever.com/rukowazixah3dly.pdf
- http://rigoditibalun.mywebcommunity.org/delonghi_pinguino_portable_air_conditioner.pdf
- http://kepuxom.mypressonline.com/mefofisebup.pdf
- http://kigurumi.org/things_i_used_to_do_in_my_childhoodou7k8.pdf
- http://meetlait.pro/samsung_hw-j550_wall_mountqbc4m.pdf
- http://nogurufegu.mygamesonline.org/gvd-504a_battery_replacement.pdf
- http://fulilip.iblogger.org/conversation_analysis_report_example.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://e055bcc9-c4f1-4c6c-8dcb-0912bf54750f.filesusr.com/ugd/b4a829_45451bc3acd64602be4c0e63b76d0f5b.pdf?index=true
- https://s3.amazonaws.com/julaxel/ginurebikalonobefepevovow.pdf
- http://sukoxaji.rf.gd/confederacy_of_dunces_movie_curse.pdf
- https://s3.amazonaws.com/fifuto/77346524463.pdf
- https://s3.amazonaws.com/desekusoxi/premikudu_audio_songs_ing_telugu_lo.pdf
- https://f3dbd103-cf2f-44fc-b0ad-c9004dc38af2.filesusr.com/ugd/1f2646_07f6c1c18a9d4f9c9b98c8fd5762904c.pdf?index=true
- http://fafamofuwinofen.epizy.com/78887835046.pdf
- https://217ba8a6-026c-4a9e-b1ce-2eadff0a4a08.filesusr.com/ugd/3d7af5_f81c53ab579b4e7c87614e3bd1c26d8e.pdf?index=true
- http://kepagewav.atwebpages.com/rawagukifovexajiduv.pdf
- https://s3.amazonaws.com/xomudufe/class_10_physical_science_book.pdf
- https://ed21222e-fee3-4fab-8b52-e2ddb7bb35ab.filesusr.com/ugd/e73fea_ccd341eda2004da4bb4260e83f35bf66.pdf?index=true
- https://cee4a208-09ac-40e0-983f-4c2cc776acbe.filesusr.com/ugd/5ed537_ea4f7ab1478e48e5af39d1d9e654d8f1.pdf?index=true
- https://s3.amazonaws.com/nasitevu/how_to_answer_do_i_know_you_questions.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cdf8.bina026eacedb7219cdfc96f54581954cd59722037f14589a9b735041f7e69da6ff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDF8 | 5272 bytes |
font_01_sfnt_off0000dfc1.bin00df9aaa0217a816be8d0fa61d491eaa6aa7a35808f7138b938a4339874b0bb3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFC1 | 10044 bytes |
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