MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
T1059.007 JavaScript
The PDF document contains heuristics indicating it is a link farm designed for social engineering, specifically a 'ClickFix' attack. It presents itself as a 'PDF preview handler for Windows 10 Outlook 2016' and includes numerous links, one of which points to a suspicious URL on 'jumiwimov.ru'. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to trick the user into downloading a second-stage payload.
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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ClickFix social engineering attack high SE_CLICKFIXDocument instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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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://jumiwimov.ru/strik?utm_term=pdf+preview+handler+windows+10+outlook+2016 PDF link annotation
- https://rokumipizo.weebly.com/uploads/1/3/0/7/130776068/ca5ca28f87aa8a4.pdfIn PDF document text
- https://dufofumiwiz.weebly.com/uploads/1/3/5/3/135309849/c690b7adf.pdfIn PDF document text
- http://lakshmi-store.ru/sanukepilazogewokolufebofa0u4.pdfIn PDF document text
- https://cdn.sqhk.co/tovipovo/hejgZaF/real_steel_2_trailer_ita.pdfIn PDF document text
- https://cdn.sqhk.co/jivonaxadu/iaVjbe8/mother_earth_news_magazine_discount.pdfIn PDF document text
- https://cdn.sqhk.co/pufuxarabo/jfKLmlT/jumamunijasidamojogaw.pdfIn PDF document text
- https://fejizokifod.weebly.com/uploads/1/3/5/3/135341395/nakew.pdfIn PDF document text
- https://cdn.sqhk.co/tilekixu/dgjARtY/colocar_cedilha_no_teclado_android.pdfIn PDF document text
- https://cdn.sqhk.co/levuzivanu/gcfjfBN/90344211433.pdfIn PDF document text
- https://gekubele.weebly.com/uploads/1/3/2/6/132683169/29f4ff040c94.pdfIn PDF document text
- http://afracheat8.xyz/fogeranurepopebedinemogineddxa.pdfIn PDF document text
- http://fipizilemuwob.medianewsonline.com/bafaxe.pdfIn PDF document text
- http://uanews.website/craftsman_41a5021-3g_remote48d2s.pdfIn PDF document text
- http://csxmoney.info/curse_of_strahd_death_house_map_roll202hgid.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/79026733-364a-48ab-a719-85d0251e7c07/horton_hears_a_who_full_movie_in_hindi_dubbed_watch_online.pdfIn PDF document text
- https://s3.amazonaws.com/zerepuzuze/wivutedu.pdfIn PDF document text
- http://bajekixizosi.myartsonline.com/32046311766.pdfIn PDF document text
- https://s3.amazonaws.com/norozovijalu/building_design_3d_software_free.pdfIn PDF document text
- http://rawigukegopafot.onlinewebshop.net/do_birds_walk_around_at_night_time.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2d2259bb-e317-44c9-9705-9e61a2248c30/post_mortem_of_a_protagonist_macbeth.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d4d54fe4-f228-46fe-815d-c77fb01d8170/71551867774.pdfIn PDF document text
- https://s3.amazonaws.com/suxugipipolazog/86490074255.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_off0000e152.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE152 | 5824 bytes |
SHA-256: b04e5b8b0644976d1effe0ef3ca422b7c6cba09a7a5b1b80e668e288bb3afe4d |
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font_01_sfnt_off0000f53d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF53D | 10696 bytes |
SHA-256: af402bf9ee2678e8dff71e41904199893f8d754336b54a14cfd3ce8a53700b1a |
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