MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains heuristics indicating it is a link farm designed to redirect users to external URLs, with one prominent URL being `https://leonvi.ru/strik?utm_term=example+of+chemistry+lab+report+introduction`. ClamAV detection as 'Pdf.Phishing.Trojan' and ML classification further support its malicious nature. The document body, though heavily obfuscated, suggests a lure related to a 'chemistry lab report introduction'.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://leonvi.ru/strik?utm_term=example+of+chemistry+lab+report+introduction PDF link annotation
- https://cdn-cms.f-static.net/uploads/4381756/normal_6046b7ba6ebe6.pdfIn PDF document text
- http://oneitstore.info/how_wealthy_is_the_salvation_armykshnc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403533/normal_6041496ccdda6.pdfIn PDF document text
- http://umdtheatre.ru/dungeons_and_dragons_5e_interactive_character_sheetkg0qz.pdfIn PDF document text
- https://cdn.sqhk.co/gaxozamikoge/X8jjjde/ielts_vocabulary_list_with_meaning.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4462986/normal_6012f7e70ed0d.pdfIn PDF document text
- https://cdn.sqhk.co/fuvopone/invOjhA/fakuxe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447447/normal_604ede8444ebe.pdfIn PDF document text
- https://cdn.sqhk.co/guwuweri/HAgegfZ/parking_island_mountain_road_oyna.pdfIn PDF document text
- http://golden-bridge.pro/eclipse_180g2_4gb_mp3_players6a2m.pdfIn PDF document text
- http://reduslimitaly-official.website/ignatius_catholic_study_bible_old_testamentoxpup.pdfIn PDF document text
- http://tadugebakonuged.getenjoyment.net/pretty_little_liars_book_series_review.pdfIn PDF document text
- http://fevinoreniwelik.sportsontheweb.net/ncert_biology_book_class_12_download.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/jesidofefe/bologna_centrale_departures_platform.pdfIn PDF document text
- https://44bb6ee8-a0fe-4f72-890f-0f0a2fec05cf.filesusr.com/ugd/b65acf_1c0b48dda9a94517a74c60f1d561e26b.pdf?index=trueIn PDF document text
- http://sutexuvidag.myartsonline.com/how_to_change_a_ceiling_fan_downrod.pdfIn PDF document text
- https://s3.amazonaws.com/fezenur/41679066323.pdfIn PDF document text
- https://9ef77391-fdd1-48d8-ba15-364b07375333.filesusr.com/ugd/ebefdf_5888e18b56ef46cab3e7c482e13b92c5.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/dejazuvorira/32756622541.pdfIn PDF document text
- https://804b95bc-9ca4-448d-a094-5a8e1ff69a26.filesusr.com/ugd/99d1da_9fbfc8ed91a945fc8d1159b4e0df67c1.pdf?index=trueIn 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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e8a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8A5 | 5544 bytes |
SHA-256: 39eaf44f4901ac9c7561568f3c4fc466005c1aaec350d2b49b8dcfd4051d8d7e |
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font_01_sfnt_off0000fb66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB66 | 10956 bytes |
SHA-256: a66c312e15e5af8f748f8ebc08245564d608a41bd1096d7d4fd3b788246fab44 |
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font_02_sfnt_off00012094.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12094 | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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