MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, with at least one pointing to known malicious redirector infrastructure. The document body, though heavily obfuscated, suggests a lure related to an academic calendar, a common tactic for phishing or malware delivery. The presence of multiple links on disposable hosting further supports a malicious purpose.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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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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://yafferge.ru/wix?keyword=uva+law+academic+calendar+2020 In PDF document text
- https://kuvenamowafave.weebly.com/uploads/1/3/1/3/131379608/zezugen_xulitewav_zowinemepexuge_lefez.pdfIn PDF document text
- https://cdn.sqhk.co/totudavomud/jhgMoPf/the_cw_channel.pdfIn PDF document text
- https://vigekajabaka.weebly.com/uploads/1/3/4/7/134708837/2215907.pdfIn PDF document text
- http://organic-ita.space/52273618182hbhwv.pdfIn PDF document text
- http://esagafow.fun/bncc_histria_resumonm9r6.pdfIn PDF document text
- http://regvoolkim.website/safukop4n0u.pdfIn PDF document text
- http://natgood.space/car_crashes_news_reports2t48d.pdfIn PDF document text
- https://jegupifak.weebly.com/uploads/1/3/4/0/134018348/8229008.pdfIn PDF document text
- https://cdn.sqhk.co/nubenirosife/fr2bjbB/best_photo_collage_editor_for_pc.pdfIn PDF document text
- https://tamosumedov.weebly.com/uploads/1/3/4/0/134017363/maregegam.pdfIn PDF document text
- http://olx-delivery.cc/gibazupt5146.pdfIn PDF document text
- https://cdn.sqhk.co/lanumakefu/jdHmXij/72615147450.pdfIn PDF document text
- https://cdn.sqhk.co/zupodejadofe/UWvIHie/58273137745.pdfIn PDF document text
- http://nafuvexozoli.iblogger.org/atlas_air_compressor_manual.pdfIn PDF document text
- http://winoraama.website/undyne_fight_simulatormabn8.pdfIn PDF document text
- http://in-step.shop/business_intelligence_analytics_and_data_science_ramesh_sharda2r9i6.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://vojilub.rf.gd/98055407752.pdfIn PDF document text
- http://sivonimowonaze.rf.gd/38881856928.pdfIn PDF document text
- http://mevonaku.rf.gd/intracerebral_hemorrhage_guidelines_2017.pdfIn PDF document text
- http://tupusivamiguta.rf.gd/google_voice_assistant_for_pc.pdfIn PDF document text
- http://tolamepaduxeju.rf.gd/74530481745.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_off0000d606.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD606 | 5324 bytes |
SHA-256: 0783b2fd543b15a5926fae7aa2b2c5fb1083779d7efb0abf70a09010901b8267 |
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font_01_sfnt_off0000e81b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE81B | 1800 bytes |
SHA-256: a36eee06fef6ce219692c4ec918276ac99413e4fd1e3666e4031624f9289d620 |
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font_02_sfnt_off0000f0a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0A8 | 10376 bytes |
SHA-256: fc135127b2912d670bca5072d66661a4efa3a714663edd8e090923eecb7f312c |
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font_03_sfnt_off00011421.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11421 | 16312 bytes |
SHA-256: 975089639afea594160f6daa1ae948ffc4125994d61a9fd32dce02580f7b6b15 |
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