MALICIOUS
192
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded URLs, with at least one identified as a malicious redirector. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of a 'download button' lure further supports a phishing or malware distribution scenario, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://dafemum.ru/123?utm_term=microsoft+sql+server+2017+enterprise+edition In PDF document text
- http://bahis-sikayet.com/55589599152bjwcg.pdfIn PDF document text
- https://cdn.sqhk.co/fabunavaxa/ifqVtid/collection_movie_dvd_covers_to_print_free.pdfIn PDF document text
- https://cdn.sqhk.co/gutinisiv/Qgjjeie/vocal_cords_function.pdfIn PDF document text
- http://sarhello.online/what_genre_is_false_god_by_taylor_swiftgc2cw.pdfIn PDF document text
- https://cdn.sqhk.co/dofexoxev/6yie8RC/kubuvu.pdfIn PDF document text
- http://libertinemodels.com/most_played_games_2018_androidc8qhw.pdfIn PDF document text
- https://cdn.sqhk.co/letarezetap/6hdigjb/calligraphy_fonts_free_marathi.pdfIn PDF document text
- https://cdn.sqhk.co/sowanigog/hjZUFgd/girl_baby_shower_games_with_answers.pdfIn PDF document text
- http://esplus.pro/329638939405fldk.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
- http://mebupeb.rf.gd/how_to_use_fender_frontman_10g.pdfIn PDF document text
- https://s3.amazonaws.com/jiwisi/75333262625.pdfIn PDF document text
- http://sevidimifab.epizy.com/13864202289.pdfIn PDF document text
- http://lavavil.rf.gd/benaf.pdfIn PDF document text
- http://vodukatova.epizy.com/cheapest_double_bed_sheets_online.pdfIn PDF document text
- https://s3.amazonaws.com/naxozelozude/what_oil_does_a_2015_dodge_durango_take.pdfIn PDF document text
- http://viduzakovovamu.rf.gd/angularjs_2._0_tutorial.pdfIn PDF document text
- https://s3.amazonaws.com/xefezesebusu/product_rule_to_multiply_square_roots.pdfIn PDF document text
- http://tibobabinenan.epizy.com/10975510857.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/39d66ede-baa0-4de8-a635-4a03dd433194/is_samsung_a10_camera_good.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9b045fd1-b599-4ef4-84a4-b5f0dedb868d/used_ranger_boat_covers_for_sale.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/199e9762-82bb-4c6d-a445-48409b6528d2/68628524731.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/58a51909-3379-4702-aa8e-b86b2d20600b/cyberpower_1500pfclcd_software.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d33a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD33A | 5324 bytes |
SHA-256: c971f2d65ee27128d1503fb53ffe911428a77a5bcc41fda5fbc5a39cfe478b5f |
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font_01_sfnt_off0000e578.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE578 | 10444 bytes |
SHA-256: e287b955a4b5416be6c0b1ab4df7ce41d53d5a085fd1cb0183de20a69423f5d9 |
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font_02_sfnt_off00010913.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10913 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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