MALICIOUS
284
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF document is classified as malicious, exhibiting characteristics of a phishing lure. It contains a large number of embedded URLs, many of which point to known malicious redirector infrastructure or disposable hosting, suggesting an attempt to direct users to harmful sites. The heuristic 'SE_PAYMENT_REDIRECT_LURE' strongly indicates a business-email-compromise pattern, aiming to trick users into believing there are new payment instructions. No scripts were extracted, but the PDF structure itself facilitates the redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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 contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LUREDocument describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
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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/123?utm_term=www+ioc+state In PDF document text
- https://static.s123-cdn-static.com/uploads/4408864/normal_5fddb19a94601.pdfIn PDF document text
- https://cdn.sqhk.co/zowesifona/en5thhZ/79050367100.pdfIn PDF document text
- https://cdn.sqhk.co/silinetufid/hdihjbj/f1_race_tomorrow_eastern_time.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4370767/normal_60002e222dedf.pdfIn PDF document text
- http://gemotebefid.22web.org/ios_auto_clicker_app.pdfIn PDF document text
- https://pixasowurixes.weebly.com/uploads/1/3/4/9/134904492/a68c5f3.pdfIn PDF document text
- https://cdn.sqhk.co/gaduwifawide/gcTvljc/jellyfish_pets_for_sale.pdfIn PDF document text
- https://malugeko.weebly.com/uploads/1/3/1/6/131636988/dezusositikeso.pdfIn PDF document text
- https://vasuwogi.weebly.com/uploads/1/3/4/0/134017955/rezepukepeladikiz.pdfIn PDF document text
- http://pimebujeben.66ghz.com/chest_x_ray_report_normal.pdfIn PDF document text
- https://cdn.sqhk.co/vukupamita/OjfhfNM/vubirakafodedi.pdfIn PDF document text
- https://cdn.sqhk.co/vujejanar/jhhgPhi/rabidolivovegudesireb.pdfIn PDF document text
- https://cdn.sqhk.co/vibisimak/exSifjc/487705095.pdfIn PDF document text
- https://baseparefawufif.weebly.com/uploads/1/3/1/4/131453046/8992536.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445890/normal_5fd6293f9c1cb.pdfIn PDF document text
- https://wojopegoguw.weebly.com/uploads/1/3/4/6/134690206/9063188.pdfIn PDF document text
- http://gerisekazaleg.22web.org/48850755509.pdfIn PDF document text
- https://cdn.sqhk.co/tororukiwuri/dijSagf/dynamons_world_no_360.pdfIn PDF document text
- https://cdn.sqhk.co/genopeno/ugjk5jf/super_phantom_cat_2_all_characters.pdfIn PDF document text
- http://www.ioc.state.il.us/TheIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://sulonofanez.rf.gd/firefox_for_windows_previous_version.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bb9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB9E | 4772 bytes |
SHA-256: 7d9f45e376cbcb16156975ee7181455843e428e9420d5f51811ef8930ff7e0eb |
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font_01_sfnt_off0000cc07.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC07 | 10572 bytes |
SHA-256: 4912ad0fc43f28ed895aab8aeab1e19f70b99ccb4ca42d198e7e151330e4ef1a |
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