MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains a large number of external links, suggesting it functions as a link farm. The primary malicious activity appears to be directing users to potentially harmful content hosted on external domains, as evidenced by the PDF_SEO_LINK_FARM heuristic.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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=star+chart+poster+custom PDF link annotation
- https://static.s123-cdn-static.com/uploads/4366407/normal_60060aaa3a802.pdfIn PDF document text
- https://cdn.sqhk.co/feketukadoz/gfRIhih/advance_auto_parts_jobs_warehouse.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410448/normal_5fd18767ac631.pdfIn PDF document text
- https://cdn.sqhk.co/mudemodox/jXvcmMR/9590908435.pdfIn PDF document text
- http://form-copyrightservices.com/determine_the_machines_second-yearh6jr6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383917/normal_603ad0700bf75.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4449615/normal_5feb894e0c1ef.pdfIn PDF document text
- https://cdn.sqhk.co/genamudazunu/k1gdjjg/60654720344.pdfIn PDF document text
- https://cdn.sqhk.co/xakelafu/0TW0vBK/49237975798.pdfIn PDF document text
- http://terem.space/37979490551pb5my.pdfIn PDF document text
- http://trastenmyqort.online/introduction_to_christian_ethics_lovinaad3g.pdfIn PDF document text
- https://cdn.sqhk.co/dazulegug/aifiac0/fps_strike_3d_free_online_shooting_games_unblocked.pdfIn PDF document text
- http://ighelperscenter.com/learn_how_to_play_the_alto_saxophonez445g.pdfIn PDF document text
- http://jutovutivori.22web.org/36307059604.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://bf23b77b-49a9-4bef-a898-a03cfb94aefa.filesusr.com/ugd/134172_06bb989ad54040cc91fef72e8ca22ba2.pdf?index=trueIn PDF document text
- https://299bc67c-4c9a-44ea-852c-18f2d39dca40.filesusr.com/ugd/954c8b_4978604bffa542199ad6bbac8f535833.pdf?index=trueIn PDF document text
- https://43cb2d18-1589-43a7-b1c5-fe1278e1c76d.filesusr.com/ugd/370b54_1814cdafaf7f41d5809b176495e1b414.pdf?index=trueIn PDF document text
- https://2c9641c8-5874-4869-9b94-f1378e60aa6b.filesusr.com/ugd/efc1f6_df29593cf9de4f58ad0303ee2435164e.pdf?index=trueIn PDF document text
- https://a72a44ae-2aae-4d6a-a6c4-235301d0a62e.filesusr.com/ugd/57436b_b5b95ca7923c47cab569094e056cc8da.pdf?index=trueIn PDF document text
- http://ziwitiko.epizy.com/luxalutiguwarunibewedeku.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ed65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED65 | 6676 bytes |
SHA-256: eb818d908f85100d3a99250672f03864bcbe34b2514f2b59354f321a79477503 |
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font_01_sfnt_off0000fe38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE38 | 5244 bytes |
SHA-256: 0eb77a0b0847d83925d9c3c0b6a81ab1a8280be28f421be45ebae1b3f17df4a0 |
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font_02_sfnt_off00010fe0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FE0 | 12788 bytes |
SHA-256: 5de444560d3f0071abc4f54cf062b64673e0e35a3249f2c8bf19e6c9360759b9 |
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