MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. It contains numerous external URLs, many hosted on disposable domains, suggesting a link farm or phishing campaign. The document body, though heavily obfuscated, appears to be related to mathematical calculations, potentially a lure to disguise the malicious intent of directing users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://crophysi.ru/123?utm_term=c%25C3%25A1ch+gi%25E1%25BA%25A3i+ph%25C6%25B0%25C6%25A1ng+tr%25C3%25ACnh+b%25E1%25BA%25ADc+2+tr%25C3%25AAn+m%25C3%25A1y+t%25C3%25ADnh+fx570ms PDF link annotation
- https://cdn.sqhk.co/muwazubivotu/W53hi0t/how_to_play_blackjack_at_casino_gta_5.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4377377/normal_60001fe564813.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4451229/normal_5ff508ba32143.pdfIn PDF document text
- http://sosunimepewe.22web.org/fundamentals_of_discrete_structures_2nd_edition_answers.pdfIn PDF document text
- https://cdn.sqhk.co/poladejug/DUjhdjh/cheat_happy_racing_mod_apk.pdfIn PDF document text
- https://xosufovopoxom.weebly.com/uploads/1/3/5/2/135298930/5522710.pdfIn PDF document text
- https://cdn.sqhk.co/lixijadimit/hgfW3D1/download_game_samurai_ii_vengeance_mod_apk.pdfIn PDF document text
- http://good-production11.site/jusininen7lm5s.pdfIn PDF document text
- https://bodupakodekafas.weebly.com/uploads/1/3/2/6/132680796/golokabu_dogusazekagami_taxifibigaligu_jobeloxiwelof.pdfIn PDF document text
- http://bitjoms.xyz/best_motivational_quotes_for_facebook_statusdt4tl.pdfIn PDF document text
- http://sun-italy.space/wabawe0w365.pdfIn PDF document text
- https://genunilime.weebly.com/uploads/1/3/4/3/134344847/rojapasozanijipa.pdfIn PDF document text
- https://mopotiwifatuge.weebly.com/uploads/1/3/0/8/130813373/sivuregakiwitutudo.pdfIn PDF document text
- http://jebumivusesujan.iblogger.org/43581831914.pdfIn PDF document text
- http://cesaregaspari.com/84841432215glssj.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412889/normal_5fe992ca64412.pdfIn PDF document text
- https://gomarevijupa.weebly.com/uploads/1/3/4/5/134585171/90689552f5c9.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://jofesosozofoso.epizy.com/jkbose_date_sheet_10th_regular_2019.pdfIn PDF document text
- http://duposavolat.rf.gd/23292173201.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00012268.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12268 | 7172 bytes |
SHA-256: 87ad11bed3d49efc26b5a0240f9ad27273fe78ac2e8d4cbde6eee73e5a46b6f0 |
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font_01_sfnt_off0001391e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1391E | 2704 bytes |
SHA-256: 7376ba0126af2fe6e2817d1cbaa23be384b803474b99addce8bc28595352ce3d |
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font_02_sfnt_off00014429.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14429 | 30252 bytes |
SHA-256: 5d8a8c1e45933c629214f01005a36b1aac645030ec1182adad51d0d858a400bb |
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font_03_sfnt_off00018a05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18A05 | 16960 bytes |
SHA-256: 973dd3033f4a9d2d691293bb1a2af6ef7d9ee2b753aa515d4594e4888f514191 |
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