MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by multiple heuristics and a machine learning classifier, specifically flagging it as a redirector link to known malicious infrastructure. The embedded links, such as 'https://crophysi.ru/strik?utm_term=how+quickly+does+an+airbag+deflate', are designed to lead users to potentially harmful sites. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool often used to create malicious PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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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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://crophysi.ru/strik?utm_term=how+quickly+does+an+airbag+deflate In PDF document text
- http://curvepreloved.com/nvidia_jetson_nano_datasheetsmnkd.pdfIn PDF document text
- http://kenaxifinot.22web.org/85781837120.pdfIn PDF document text
- https://kowedanu.weebly.com/uploads/1/3/4/6/134687265/2675061.pdfIn PDF document text
- http://ceter.xyz/marlin_336_scope_base_screw_sizev99jn.pdfIn PDF document text
- https://nefarixutasirov.weebly.com/uploads/1/3/1/6/131606035/napimofefoxesetu.pdfIn PDF document text
- http://liko-sneakers.com/on_the_sidewalk_bleeding_thememkd7u.pdfIn PDF document text
- http://sexugaweguko.iblogger.org/57026165198.pdfIn PDF document text
- https://pulakaxumif.weebly.com/uploads/1/3/0/7/130776647/wuzis_zudofibon_tejalazosewidij.pdfIn PDF document text
- https://fuwurobo.weebly.com/uploads/1/3/0/8/130814642/tidujexutelovirigora.pdfIn PDF document text
- https://xutativapejan.weebly.com/uploads/1/3/4/5/134521393/73b828baaec0169.pdfIn PDF document text
- http://moresukko.ru/69180993900k7yom.pdfIn PDF document text
- https://judadumoxa.weebly.com/uploads/1/3/4/7/134718892/litikusedoj_xexinokas_kebedajusuge_lokefivojet.pdfIn PDF document text
- https://sararilaba.weebly.com/uploads/1/3/1/4/131482808/nafanagaxufovis_potowoguko_xekuwokato_fidajoremesomed.pdfIn PDF document text
- https://sonoxezepokamev.weebly.com/uploads/1/3/3/9/133999938/mumovosotokidajew.pdfIn PDF document text
- http://it50save.info/rejipavesakenieln15.pdfIn PDF document text
- https://tefawizudarezuf.weebly.com/uploads/1/3/4/6/134640126/1641113.pdfIn PDF document text
- https://lokogupata.weebly.com/uploads/1/3/5/9/135959524/67d2e3f3e8f.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/3a342759-351b-4fd2-84dd-9a9f6ed4fdf0/honda_scooter_repair_shops_near_me.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a7a319cb-2585-4a28-9e61-e2d3ed9703d2/coaching_agile_teams_lyssa_adkins_free_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b2186f53-5700-424e-8e4b-6e804abed8c3/55892411503.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b4b0b7ff-2f85-4d51-a19b-8a52b56f0b02/how_to_reset_descaling_light_on_nespresso.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9e384b1b-b1ce-43de-a18b-ac473b3e8a6e/experience_and_education_john_dewey_free.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_off0001dd2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1DD2F | 8132 bytes |
SHA-256: a5428054f4d3d54fe09bfd1db68928d47a8c793f6ce9dae4d2caca46cacc543e |
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font_01_sfnt_off0001f8ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1F8AB | 5672 bytes |
SHA-256: 065d1400d91c412acbba4585bc01535847c7930c1fc2c8bec19fa9a25fdb1c1d |
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font_02_sfnt_off00020c1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x20C1D | 12836 bytes |
SHA-256: 7651f5e26bdf185761875967661f6daaa5b85f721ff01d8701c92e8bad8ffe33 |
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font_03_sfnt_off000236e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x236E7 | 16060 bytes |
SHA-256: 5b0d2701ab39d2f69c66d7d16c60d8db0b323aa0832947137e757b5401d27330 |
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