MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a link farm. It contains numerous external links, including one pointing to 'https://leonvi.ru/wb?keyword=kaplan%20mcat%20practice%20test%20review', suggesting a phishing or SEO-based lure. The presence of embedded JavaScript, though not explicitly detailed in the provided evidence, is a common vector for malicious PDFs to redirect users or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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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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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External URI info PDF_URIPDF contains an external URL action
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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://leonvi.ru/wb?keyword=kaplan%20mcat%20practice%20test%20review PDF link annotation
- https://xifisipur.weebly.com/uploads/1/3/1/0/131069870/suzewuguteku-pijot-fevorexadil-zibilo.pdfIn PDF document text
- http://mifvideo.space/wigesifoxagizokanesw9y9.pdfIn PDF document text
- https://lisopivoxo.weebly.com/uploads/1/3/4/9/134901835/5510383.pdfIn PDF document text
- http://prequester.online/police_officer_salary_orlando_floridaminnv.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4421042/normal_5feb7bd7b54d6.pdfIn PDF document text
- https://sapuvitajesi.weebly.com/uploads/1/3/0/7/130776539/c19019cba11eceb.pdfIn PDF document text
- https://cdn.sqhk.co/dalubevemex/iPMgjgp/world_of_darkness_mage_books.pdfIn PDF document text
- https://fafafupoxojamu.weebly.com/uploads/1/3/5/3/135350358/08a29813.pdfIn PDF document text
- http://khareedforosh.com/how_to_install_conexant_audio_driver_windows_10mwm4f.pdfIn PDF document text
- https://cdn.sqhk.co/pubisifibuj/V3tidgi/among_us_all_skins_apk_pc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4473030/normal_60427c5dc6456.pdfIn PDF document text
- http://devgame.design/819463545317dq2z.pdfIn PDF document text
- http://vevufilusik.scienceontheweb.net/wutoka.pdfIn PDF document text
- https://zovipimisog.weebly.com/uploads/1/3/1/1/131163747/91955c1bcf9b5.pdfIn PDF document text
- https://cdn.sqhk.co/bisulalu/iibgcwj/motocross_highway_riders.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4455684/normal_5fe02ec3026ea.pdfIn PDF document text
- https://pezulotum.weebly.com/uploads/1/3/1/4/131483557/a78db4809acf.pdfIn PDF document text
- https://duvozeja.weebly.com/uploads/1/3/0/7/130739152/lodudezak.pdfIn PDF document text
- https://cdn.sqhk.co/jimavidozeze/jeeTjjw/video_call_background_ideas.pdfIn PDF document text
- http://select-get.top/67247612578vu4st.pdfIn PDF document text
- https://zukevijidogokil.weebly.com/uploads/1/3/0/7/130738647/guvatafaga_limulajumilut_vepozuwif.pdfIn PDF document text
- https://fobuxowomi.weebly.com/uploads/1/3/4/2/134235628/814058.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://kifesafijupesob.onlinewebshop.net/what_is_the_self_in_sociology.pdfIn PDF document text
- http://bamonoxo.onlinewebshop.net/nazajawavibubafodirekogif.pdfIn PDF document text
- http://pozidijapepore.atwebpages.com/87575134771.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_off0000ed83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED83 | 5200 bytes |
SHA-256: 0c89df5924a6d6293c3ea52b90ed5882980f8f5ca0c0a8ea41b3e405ee2c03d9 |
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font_01_sfnt_off0000ff32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF32 | 12728 bytes |
SHA-256: 0045356c95643dda6780fd78728bb2d7409877bcbdb0a76b312a9c226f8e6e90 |
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