MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF was flagged as malicious by ClamAV and an ML classifier, and contains a significant number of embedded links. Many of these links point to redirectors and disposable domains, suggesting a phishing or SEO poisoning campaign. The document body contains garbled text and metadata related to wkhtmltopdf, indicating it was likely generated programmatically to host these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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 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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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://dafemum.ru/strik?utm_term=que+es+pnl+programacion+neurolinguistica In PDF document text
- http://fotubobuwenapu.scienceontheweb.net/jezizowunivuz.pdfIn PDF document text
- https://cdn.sqhk.co/fovomesit/fChAgdX/lucerne_switzerland_time_now.pdfIn PDF document text
- http://mscredit.info/853214099334rkr.pdfIn PDF document text
- https://cdn.sqhk.co/xafiguzi/njcIghv/daxoz.pdfIn PDF document text
- http://about-igsupport.com/how_much_is_used_iphone_5c_in_nigeriazkusu.pdfIn PDF document text
- https://cdn.sqhk.co/remozemot/uftie0B/clockwise_and_counterclockwise_rotation_rules.pdfIn PDF document text
- https://cdn.sqhk.co/zevijevam/Wjgjjd8/goboto.pdfIn PDF document text
- http://card2card.live/59079489837sgqt9.pdfIn PDF document text
- https://cdn.sqhk.co/zenipijujate/Hjfrjay/10121628224.pdfIn PDF document text
- https://cdn.sqhk.co/pagozixupezi/7SXXhdT/zoxoxavizos.pdfIn PDF document text
- http://zutatowatipo.mywebcommunity.org/jafulusozuxe.pdfIn PDF document text
- https://cdn.sqhk.co/nobutowug/ehjNTgh/set_org_2021_rai_pc.pdfIn PDF document text
- http://xafesuvorolivig.scienceontheweb.net/tafumidewivaka.pdfIn PDF document text
- http://vienvozvrat.site/vacuna_bcg_proceso_de_cicatrizacionp9bhf.pdfIn PDF document text
- https://cdn.sqhk.co/bogovureg/ihD7ngh/10114013733.pdfIn PDF document text
- http://iciko.xyz/what_is_the_meaning_of_metaphoricallyroa7t.pdfIn PDF document text
- http://reduslim-shop.website/east_of_eden_chapter_14_analysiszxw1m.pdfIn PDF document text
- http://pedrons.space/38738619694qeyly.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://587b455d-cc79-4428-8e80-a8b75ce23bca.filesusr.com/ugd/021ec8_cc16662607794e5ca7782ac1c404cb25.pdf?index=trueIn PDF document text
- http://tuxabatadifu.onlinewebshop.net/structure_of_c_programming_language_in_hindi.pdfIn PDF document text
- https://e209d09f-5af8-48a0-acfc-72d03e9bea0d.filesusr.com/ugd/946fcc_31cfbbd387d1477b96441d0b05ef5c63.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ee10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE10 | 5316 bytes |
SHA-256: 7309d5f4ec0e44c956c88c9c35a603f2dd372632091c5496060fcd6ccc672b1f |
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font_01_sfnt_off0001000b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1000B | 11992 bytes |
SHA-256: 63c0b59e2fd1879a85d17e9cff44928319824bc3e0e46b6ea45f563afb023d3a |
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