MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating it likely contains an exploit. The presence of multiple external URIs, including one pointing to 'mezovuduw.ru/award', suggests an attempt to redirect the user to a malicious site or download a secondary payload. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports the malicious intent by indicating the PDF is part of a link farm on disposable hosting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://mezovuduw.ru/award?keyword=rachmaninoff+vocalise+trumpet+pdf PDF link annotation
- http://healsmall.space/47359570572xa544.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4465149/normal_5fca0f9ddbdbd.pdfIn PDF document text
- http://damita.fun/what_is_a_good_computer_for_a_senior_citizene0t0m.pdfIn PDF document text
- http://remontvorot24.com/samyang_85mm_1.4_canon_manual_focusci6yh.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4380527/normal_5ff0df957db13.pdfIn PDF document text
- https://cdn.sqhk.co/bejazerorod/hf35Cwm/liverpool_vs_arsenal_3-_1_highlights.pdfIn PDF document text
- https://wevinavuligi.weebly.com/uploads/1/3/4/5/134505150/f17f3144acb14.pdfIn PDF document text
- https://cdn.sqhk.co/dugixikisim/jVjaMK0/xurirusupelepatolijozivu.pdfIn PDF document text
- http://ersoil.fun/que_ao_de_camionetas_se_pueden_legalizarvbrd2.pdfIn PDF document text
- http://rte-ita.fun/60690177865hwm6l.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4368746/normal_5ff29118909c4.pdfIn PDF document text
- http://blaugrana.ru/19639837384hj3kk.pdfIn PDF document text
- https://cdn.sqhk.co/bujasugawo/7vjcyDI/crowded_city_2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4471723/normal_6014aaeecedff.pdfIn PDF document text
- https://cdn.sqhk.co/genizataxom/dCrjbia/zemopenisexelabaze.pdfIn PDF document text
- http://gaximivotekole.mypressonline.com/parabonesatexumemu.pdfIn PDF document text
- https://cdn.sqhk.co/felinavaw/hdhhgff/hmrc_self_assessment_agent_registration.pdfIn PDF document text
- http://healthit.space/16274730596gfdgo.pdfIn PDF document text
- https://zavifojixu.weebly.com/uploads/1/3/3/9/133997579/roziwali-sagoduwuzu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380395/normal_6010008f60023.pdfIn PDF document text
- http://mikrotikwizard.com/what_are_the_terms_used_in_courtnvtiy.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://reladefuxuna.onlinewebshop.net/minunewivoguvixi.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e9ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9EC | 5460 bytes |
SHA-256: 3cdd4f5e83dc102e8f20d400c39f7de4a862e0e54f5e146cfa59ab02ee1eafef |
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font_01_sfnt_off0000fc60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC60 | 11092 bytes |
SHA-256: 989f91003944dbb2a92a5af3be971ac3f638000e76daed6c42bc2edae083761e |
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font_02_sfnt_off00012214.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12214 | 16420 bytes |
SHA-256: 79522db48505e79394f1677c3701177656b5df19c1c9995cbb039d34da9a6ef5 |
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