MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of external links pointing to other PDFs hosted on various domains, many of which appear to be disposable. This behavior is indicative of a link farm, often used for SEO manipulation or to distribute malicious content. The ClamAV detection and ML classifier flagging further support its malicious nature, suggesting it may be a phishing or trojan distribution vector.
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://zajinet.ru/strik?utm_term=futur+proche+ou+futur+simple+exercices+pdf PDF link annotation
- https://xinufagepowe.weebly.com/uploads/1/3/4/4/134437511/tutovur-sejuzojilexuv-boxelixijiliw-fukolu.pdfIn PDF document text
- https://muwunijika.weebly.com/uploads/1/3/1/3/131398004/c1cdb0ba4df.pdfIn PDF document text
- https://vevurufutugar.weebly.com/uploads/1/3/4/7/134737477/kefusaviw_paxemolukutat.pdfIn PDF document text
- https://tedaliduvif.weebly.com/uploads/1/3/5/9/135957254/4681be0fd84.pdfIn PDF document text
- https://xiforamuti.weebly.com/uploads/1/3/4/6/134611992/poxijolu_kewuxilag_kirekev_buruvedexi.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4499334/normal_6000db7947f8e.pdfIn PDF document text
- https://tiriwubesunadew.weebly.com/uploads/1/3/0/7/130739346/3da83ad9c92.pdfIn PDF document text
- https://xewixubigikuj.weebly.com/uploads/1/3/4/8/134892453/texudusemas-xajise-pufetomaxos.pdfIn PDF document text
- https://kasewipiliri.weebly.com/uploads/1/3/4/9/134901701/1159505.pdfIn PDF document text
- https://gejamuxubidiz.weebly.com/uploads/1/3/4/6/134688077/6798916.pdfIn PDF document text
- https://mavekajokirusap.weebly.com/uploads/1/3/1/4/131437454/2030244.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470224/normal_60255f28ce372.pdfIn PDF document text
- https://xagajanum.weebly.com/uploads/1/3/4/5/134599721/pakuzopiluwibe-pobuni.pdfIn PDF document text
- https://mepagalupotope.weebly.com/uploads/1/3/4/2/134265457/dojofufiburaveteguzo.pdfIn PDF document text
- https://mopobaseburole.weebly.com/uploads/1/3/4/8/134859053/rexobeti.pdfIn PDF document text
- https://kilizilefepik.weebly.com/uploads/1/3/0/7/130775254/dozukikawud_mabaxekaladifiw_wusufulixajin_fivude.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4476152/normal_5feca10449c01.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/644bbfeb-a61f-4992-94b3-063a4aadd2ae/how_to_set_a_1440_sports_watch.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/89c3f420-93f8-4c24-b3ce-bb3cdba9c2d6/what_is_the_systems_engineering_process.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/52f92035-7811-4714-b52f-a2026d250fa1/78047169527.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/562d3dbc-3143-4496-b578-ad883a923a58/81643598338.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4f548fe4-9fed-45e0-8690-ecc2afb99880/samsung_note_20_ultra_launch_date_in_india.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_off0000f6a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6A8 | 5208 bytes |
SHA-256: 8cbdadf775f9930c35a197e281f3050ad5bf5f0fb545c00acfde9c41f76e4517 |
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font_01_sfnt_off0001083d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1083D | 17392 bytes |
SHA-256: 03f3ba9df9e4c23d92862beb1bc5650cc583755a03594e991a925b824c2ce0c3 |
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