MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The presence of numerous external URIs, many hosted on disposable domains and configured with UTM parameters, strongly suggests a link farm designed to redirect users to malicious content. The document body, though heavily obfuscated, contains references to 'Marlin 336c 30 30 value' and 'wkhtmltopdf', hinting at a potential lure or exploit context.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://jumiwimov.ru/strik?utm_term=marlin+336c+30+30+value PDF link annotation
- http://ch-redirect.icu/how_to_get_sponsored_by_cokedlifn.pdfIn PDF document text
- http://tonedomopoja.scienceontheweb.net/harry_potter_quiz_which_character_are_you_beano.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4449616/normal_5fe234a2f384e.pdfIn PDF document text
- http://gonaxepafa.iblogger.org/android_studio_latest_version_3._0_free.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4501777/normal_6019ba65bfefa.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4471514/normal_602c66a548677.pdfIn PDF document text
- http://mmamba.ru/circling_and_writing_compound_sentences_worksheet3ktas.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380229/normal_60314d5f949b3.pdfIn PDF document text
- http://lnstagaram-verifiedbadges-from.com/areas_de_recursos_humanos_y_sus_funcionessp83g.pdfIn PDF document text
- http://naturalgood.space/rode_videomic_pro_reviewjmzdf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413976/normal_602dcc7e3da6d.pdfIn PDF document text
- http://novonet.online/fivijofolerijoh2xhg.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://gelonixaj.rf.gd/histoire_la_belle_au_bois_dormant.pdfIn PDF document text
- https://s3.amazonaws.com/vukumesoj/descargar_whatsapp_plus_gratis_para_android_apk.pdfIn PDF document text
- https://s3.amazonaws.com/tokafanawa/79760050353.pdfIn PDF document text
- http://rubedaragijurof.rf.gd/fifty_shades_of_grey_book_2_summary.pdfIn PDF document text
- https://s3.amazonaws.com/vetamedisoz/rizalorekivawiw.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1d034a77-72c5-41c1-9680-dd8b87ae263d/musisakodav.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0194770f-b724-4b1f-bec7-1126eab49bad/xitatujizefetifegal.pdfIn PDF document text
- http://laxukumelukadut.myartsonline.com/venkatrama_telugu_calendar_2020_free_download.pdfIn PDF document text
- https://s3.amazonaws.com/sefiwegegagu/are_site_planning_and_design_handbook.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_off0000efb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFB4 | 5140 bytes |
SHA-256: abae45dbf8c61ce0709117a7aaaea1f64b7f26cfe0e9240e0777220faa63a220 |
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font_01_sfnt_off0001014f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1014F | 11440 bytes |
SHA-256: ae6eee126f0e0fc2120d326de5aae3c8066f8f73b854ad499e93ae6944a634f5 |
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font_02_sfnt_off00012881.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12881 | 16336 bytes |
SHA-256: 12aba8d421747cc7b6f64e0779b2b7b17ec51a7e5f572de6077b2104e12ed3a4 |
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