MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and ML classifiers indicated a high probability of maliciousness. It contains numerous embedded URLs, with one prominent URL pointing to a suspicious domain ('midufefew.ru') that is likely used for phishing or to host a secondary payload. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool sometimes used to create malicious documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
Heuristics 5
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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 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://midufefew.ru/strik?utm_term=survival+kit+goodie+mob+vinyl PDF link annotation
- http://yourdesk.website/crkveni_kalendar_juli_201527hh9.pdfIn PDF document text
- http://copyrightsupporthelpcenter.com/how_much_do_air_conditioning_technicians_makeldgyt.pdfIn PDF document text
- https://xaweworamek.weebly.com/uploads/1/3/4/6/134610398/d906638c.pdfIn PDF document text
- http://itasda.online/kenmore_elite_washer_model_11013jy8.pdfIn PDF document text
- http://barbanapoli.moscow/77251198332z5u9x.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369631/normal_5fe0ed7807a7c.pdfIn PDF document text
- https://powumebaporisav.weebly.com/uploads/1/3/4/8/134891471/xafutudinodege-zumixupe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4458413/normal_601e6528c527c.pdfIn PDF document text
- http://azalea.store/kung_fu_panda_legendary_warriors_wii_review2ljq4.pdfIn PDF document text
- http://formulamoney.top/aimbot_pubg_mobile_iosygt20.pdfIn PDF document text
- https://gedotelebuguda.weebly.com/uploads/1/3/6/0/136050260/6592144.pdfIn PDF document text
- http://mastera-saydinga.ru/problemas_sociales_en_mexicoxtn3d.pdfIn PDF document text
- http://verifiedbadges-form.com/wonumaligulunavorem38uw.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4473971/normal_6062b71e456e1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420434/normal_6037c74ac095e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485163/normal_60400d8e7eaad.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/2ee820ee-cc67-48f2-aefa-78f89564cd54/organos_del_sistema_endocrino_humano.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/50cb3619-db30-47a0-a83f-c45cd895e686/jafofak.pdfIn PDF document text
- https://a1104102-e7f7-498f-9db5-fd16eb5a1c84.filesusr.com/ugd/3f19aa_2f8842847b8c4231a909ec7891ca64fe.pdf?index=trueIn PDF document text
- https://2e907eb7-0cdb-46e5-a4de-ff0e34d1b96e.filesusr.com/ugd/7ea2c5_5ae9cb71b3f749a0885b9779004d4615.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/00817c5c-372c-4f0d-ac22-f5b2279b0346/46241309393.pdfIn PDF document text
- https://ac09d6fb-20d1-47e2-97cb-2568fc137cdf.filesusr.com/ugd/03dcd4_e940269b186644f0bd785933ee3c9279.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/b9f3ff56-19f9-4ebc-ab10-902ccddde21e/17522462135.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/169d65c2-7902-4875-a2ab-3077e37f650f/shimano_ultegra_di2_st-r8070_shifters_and_disc_brake_caliper_set.pdfIn PDF document text
- https://21a67f6d-2aea-439f-a910-ed4feb6be009.filesusr.com/ugd/173616_eb26bfcda15a496ca1031a1d65250362.pdf?index=trueIn PDF document text
- https://de315c38-daa2-4293-b666-e554ba9b7d65.filesusr.com/ugd/564d2e_fcdde1ccce5c448f9d4320f9acb7421b.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_off0000f44e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF44E | 5436 bytes |
SHA-256: 05659f79bfb12c3fefe1d64f18b233985b4a690d785c2275a7900d70b5ae565b |
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font_01_sfnt_off000106c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106C2 | 10664 bytes |
SHA-256: f587dd8d5ae66c723182ad35521def0dd631de9dc295c0b6f87d4b9adbc2b3d4 |
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