MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm designed to redirect users to potentially malicious sites. The primary malicious URL identified is https://jacksth.ru/strik, which is likely used for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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 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://jacksth.ru/strik?utm_term=waterpik+ultra+water+flosser+walmart PDF link annotation
- https://zasipirowi.weebly.com/uploads/1/3/4/2/134266189/kopokelex.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4419826/normal_5fe0555475095.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4383912/normal_5fec264660b73.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410702/normal_5fe7479572d05.pdfIn PDF document text
- https://zefopezonokav.weebly.com/uploads/1/3/1/3/131398054/899748.pdfIn PDF document text
- https://cdn.sqhk.co/dilizilozok/KwLsgfh/murder_mystery_party_game_download.pdfIn PDF document text
- http://yognat.space/curse_of_strahd_legendary_edition_release_date0i3fu.pdfIn PDF document text
- https://zokolukesowi.weebly.com/uploads/1/3/0/7/130776120/rigorubupuzig_memimuno_gatumazabew.pdfIn PDF document text
- https://rusovotogoxal.weebly.com/uploads/1/3/4/3/134367701/24224565fd1.pdfIn PDF document text
- http://wwbook.org/bupekafe1zdt4.pdfIn PDF document text
- https://cdn.sqhk.co/mawejoxejobe/XhcfDAz/numexofisosojadisesuxejo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4491159/normal_605431553cc28.pdfIn PDF document text
- https://wemakevarovafa.weebly.com/uploads/1/3/4/6/134636541/wedipuk-fuzodibum.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368767/normal_603013e1c4693.pdfIn PDF document text
- https://cdn.sqhk.co/vozeseseber/ifTQAXE/emulator_win_10.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://6c9aa500-f8d9-42a6-b8a4-5b3c562bbfc3.filesusr.com/ugd/543886_e0672b6f058542bb9adbe383fd35f1be.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/polojuliragam/rarizafafazu.pdfIn PDF document text
- https://5634f520-c25d-421d-ab67-3d94505d13cb.filesusr.com/ugd/1b85ab_7d42d0826dd440b79e831245f7348f0b.pdf?index=trueIn PDF document text
- https://033f1a72-e514-447f-b44b-9d234b37386c.filesusr.com/ugd/f05202_40f311f5e8dd4f5fa50746a478367074.pdf?index=trueIn PDF document text
- https://d1ee23ee-9ccf-45b0-80ef-1e1ff1f657c4.filesusr.com/ugd/9ef0c3_d832c5ecc079421091fc312ee5a391e1.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zozuxukoxo/bootstrap_sticky_footer_template.pdfIn PDF document text
- https://9049409e-dcbb-43fe-b7cb-0f7a5d042cf1.filesusr.com/ugd/e59eee_bc1f1939725f4ff3937a717f81c207f8.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/xeropizuwe/schedule_d_tax_worksheet_online.pdfIn PDF document text
- https://s3.amazonaws.com/viromibukoleliw/26640468712.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_off0000eacd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEACD | 5216 bytes |
SHA-256: 3e1b7ac239720f2c43915e707be9e49e08c0114365b7b0eacec09a67c138232f |
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font_01_sfnt_off0000fc95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC95 | 11244 bytes |
SHA-256: 20d91a5ef7cab64009cf7dc41aa36e39990b49e9582ee48c1b30c24da7d2ae47 |
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