MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, appears to be a lure related to a mathematical query, likely to entice clicks. The ML classifier and ClamAV detection strongly support a malicious classification, suggesting the primary goal is to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://crophysi.ru/strik?utm_term=what+is+the+transpose+of+an+inverse+matrix In PDF document text
- https://cdn.sqhk.co/xevowuto/Lwgfaji/53513424848.pdfIn PDF document text
- http://fikunigogijori.22web.org/a_christmas_carol_2019_trailer_deutsch.pdfIn PDF document text
- http://dazinifuxevoji.22web.org/icd_10_pcs_coding_guidelines_2019.pdfIn PDF document text
- https://cdn.sqhk.co/wakewafo/ggcV41w/42532308701.pdfIn PDF document text
- http://fojogil.iblogger.org/which_type_of_tubing_or_piping_should_be_used_for_natural_gas_on_a_gas_furnace.pdfIn PDF document text
- http://ronenepe.22web.org/niboru.pdfIn PDF document text
- http://onlinetiser.website/180793333187wg79.pdfIn PDF document text
- http://ilkertr.shop/caveat_petitiongtgsg.pdfIn PDF document text
- https://cdn.sqhk.co/padirazemi/MdaUggK/77344720411.pdfIn PDF document text
- https://cdn.sqhk.co/lesepivir/QDoijgd/bogomexutodotukotapufer.pdfIn PDF document text
- http://gtmedis.com/lane_s_theme_piano_sheet_music_freepl4ip.pdfIn PDF document text
- http://refarebadas.22web.org/moponugelezanafenazel.pdfIn PDF document text
- http://pubggaming.online/82054544415wm379.pdfIn PDF document text
- http://bt-management.website/57395180330ilkz1.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/pajeriramal/play_store_whatsapp_free_for_pc.pdfIn PDF document text
- http://gurimufibefuw.rf.gd/siwanidazupejitejuniwem.pdfIn PDF document text
- http://nizegabimuremiv.rf.gd/missguided_sequin_wide_leg_pants_in_white.pdfIn PDF document text
- https://s3.amazonaws.com/pafexegud/baixar_creator_baixaki.pdfIn PDF document text
- https://s3.amazonaws.com/ruzumeb/biography_template_for_work.pdfIn PDF document text
- http://govogudumig.epizy.com/fepafaxesamunelitelavos.pdfIn PDF document text
- http://kevarivujez.rf.gd/application_form_for_scholarship_2019.pdfIn PDF document text
- http://xolalujodijosox.rf.gd/muwubosuvu.pdfIn PDF document text
- http://baxogezupeg.rf.gd/pacifier_pictures_free.pdfIn PDF document text
- http://lamisegowa.epizy.com/st_augustine_civil_rights_timeline.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f6e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6E8 | 5248 bytes |
SHA-256: 348d1c4296409804d83fab3b76c287b3b8458a2071581400001ce8d6af90a46b |
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font_01_sfnt_off000108ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108AD | 12520 bytes |
SHA-256: f96f2f73e2371fe7e1ddc6df0ddc864aee55bc704d15f9e1ad28ac3179a4e6ad |
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font_02_sfnt_off000132af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132AF | 16476 bytes |
SHA-256: 637fc82158bdae5a613d9e3f436cac1a982208c75cec501977fdddaa9987435a |
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