MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a significant number of embedded URLs, many pointing to disposable hosting, suggesting a link farm or redirection scheme. One critical heuristic identified a link to known malicious redirector infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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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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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/award?keyword=catena+mundi+enciklopedija+pdf In PDF document text
- http://kulixebuvalafin.iblogger.org/83642313804.pdfIn PDF document text
- https://cdn.sqhk.co/sawijewabob/NrgcgFN/82945319979.pdfIn PDF document text
- https://cdn.sqhk.co/rugofufol/Thisar0/bitcoin_wallet_sign_up.pdfIn PDF document text
- https://cdn.sqhk.co/xogudililavo/b5igdha/fenojuxevutapegojumatuje.pdfIn PDF document text
- http://rebituzugofebo.22web.org/jiwadowusanegafis.pdfIn PDF document text
- http://simenomevaxi.iblogger.org/does_a_wireless_mouse_need_batteries.pdfIn PDF document text
- http://damodudajipofem.22web.org/8773730129.pdfIn PDF document text
- https://cdn.sqhk.co/savunowudob/rhcjaja/36867411608.pdfIn PDF document text
- http://kemotunitajifap.iblogger.org/nerajajekawagobexujini.pdfIn PDF document text
- https://cdn.sqhk.co/kasavakujosi/7Jlfick/best_free_video_maker_app_for_android.pdfIn PDF document text
- https://cdn.sqhk.co/nemizuxe/eiZingd/scary_ringtones_app.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://sivakekixil.epizy.com/baal_veer_125_episode.pdfIn PDF document text
- https://562c2315-396f-49d1-9e45-1236e049cb13.filesusr.com/ugd/ec0012_8d6e26e198664158b9d97b0d9c40da03.pdf?index=trueIn PDF document text
- https://a7da3e60-63c8-46c1-a846-eab7df628ed2.filesusr.com/ugd/bba345_7443721eb26343e6bbed404d9666d16d.pdf?index=trueIn PDF document text
- http://filopatoj.rf.gd/how_much_does_pole_vault_weigh.pdfIn PDF document text
- http://nisarinu.epizy.com/greek_roman_gods_movies.pdfIn PDF document text
- http://rigitusavogu.epizy.com/baseball_score_sheet_template.pdfIn PDF document text
- http://dululelafekupas.rf.gd/architecture_drawing_software_online.pdfIn PDF document text
- https://a21f0d7d-5fe0-4a99-a381-3b18266e0880.filesusr.com/ugd/6c313a_bd87b9e4b48449c3b08bcfca5d3e87e2.pdf?index=trueIn PDF document text
- http://zotomogizolelaz.rf.gd/account_kit_android.pdfIn PDF document text
- https://aa5f33e9-793b-4807-a257-9eac84d314d0.filesusr.com/ugd/aa57b2_215ff091a3b249869cf815c66751085f.pdf?index=trueIn PDF document text
- https://af4bb04d-41a2-413c-b691-ce0a46ff998d.filesusr.com/ugd/e677f8_546706bf492843f1bbbc0e2a0630d647.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_off0000f0ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0AD | 5072 bytes |
SHA-256: 88f8cf0fc7f890616e954471f6ab7c732a84950fa71d7d72b69854db7bb7a501 |
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font_01_sfnt_off000101e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101E9 | 15992 bytes |
SHA-256: 20531c2a89aa4ab1369de263163f137a5d5ddee78741c876b20e0cc810cd0d9f |
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