MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by multiple heuristics as malicious, including a critical alert for linking to known malicious redirector infrastructure. It also contains a large number of external links, forming a link farm on disposable hosting, suggesting a phishing or SEO-spam campaign. The ML classifier and ClamAV also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://crophysi.ru/123?utm_term=sig+sauer+p365+9mm+review In PDF document text
- https://fekukutetixamam.weebly.com/uploads/1/3/4/6/134636283/forenewo_bagupabetupir_lotibebigomude_gawib.pdfIn PDF document text
- https://cdn.sqhk.co/jotapepikota/jhAcp1u/beyblade_burst_app_apk_7._0._1_apk.pdfIn PDF document text
- https://cdn.sqhk.co/fuluzagile/jfjgZld/topup_digi_pin.pdfIn PDF document text
- https://tolawururajetam.weebly.com/uploads/1/3/4/8/134883146/wapilivazoke-kifubelumawow-vazum-sazikeb.pdfIn PDF document text
- http://pasetbs.xyz/briggs_and_stratton_heavy_duty_4_stroke_engine_oil_msdsnuikb.pdfIn PDF document text
- https://fekipasipoxow.weebly.com/uploads/1/3/1/6/131637207/sowosexafuvuwik.pdfIn PDF document text
- https://zanixikowupu.weebly.com/uploads/1/3/1/4/131437740/15db124867149.pdfIn PDF document text
- http://pr-bux.online/drone_attack_on_saudi_aramco_facilitiesxxhdh.pdfIn PDF document text
- https://cdn.sqhk.co/zigimovovu/jERghjc/26150780029.pdfIn PDF document text
- https://cdn.sqhk.co/dimowitop/yidKwhe/painting_ideas_easy_step_by_step.pdfIn PDF document text
- https://cdn.sqhk.co/mifigatira/j3Wlgd1/mabifipowatew.pdfIn PDF document text
- https://cdn.sqhk.co/veletafi/jjFTjiu/cafeteria_nipponica_sp_1._0._7_mod.pdfIn PDF document text
- https://wiwusazefaxowo.weebly.com/uploads/1/3/4/4/134457051/nopevowu.pdfIn PDF document text
- https://rexekimat.weebly.com/uploads/1/3/4/0/134017736/dujolejisiwi-pesijufeb.pdfIn PDF document text
- https://girawosanisab.weebly.com/uploads/1/3/0/7/130740609/vobawibixavibij-nanobil-gunujo.pdfIn PDF document text
- https://cdn.sqhk.co/pesasotiro/bihiieh/jubito.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/makumapikeze/wirejutabuwifibisuzuso.pdfIn PDF document text
- https://s3.amazonaws.com/jivamubug/75682504674.pdfIn PDF document text
- https://s3.amazonaws.com/varolexexus/32401933200.pdfIn PDF document text
- https://s3.amazonaws.com/fonibinaraj/degefala.pdfIn PDF document text
- https://s3.amazonaws.com/gidibesuxi/act_reading_passages_with_answers.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_off000113b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113B7 | 5960 bytes |
SHA-256: 3cf6c752ba5560629db835e846088526d117e7dbb8a318d60d0e8f4295eb1760 |
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font_01_sfnt_off000127f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127F9 | 11080 bytes |
SHA-256: 3be722a6985452b89464ca3600b86f815de6ef60815e621e6cb0eba4e23805e6 |
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