MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics as malicious, including a critical finding for linking to known malicious redirector infrastructure. The document body, though partially corrupted, suggests a lure related to 'exercises'. The presence of numerous external links, many on disposable hosting, indicates a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
-
ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
-
PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
-
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.
-
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.
-
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.
-
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://yafferge.ru/strik?utm_term=limites+al+infinito+ejercicios+resueltos+pdf In PDF document text
- https://cdn-cms.f-static.net/uploads/4484618/normal_6063a47d957f2.pdfIn PDF document text
- https://siwovipon.weebly.com/uploads/1/3/4/7/134705210/wixaruwitelaxiwelixe.pdfIn PDF document text
- http://kakafeg.scienceontheweb.net/electrode_potential_of_metals.pdfIn PDF document text
- https://cdn.sqhk.co/baresupujar/Idjcrib/mindshare_agency_logo.pdfIn PDF document text
- http://wuxetij.mypressonline.com/jozoniferewumulul.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4410976/normal_5fe116b24f775.pdfIn PDF document text
- http://juvizex.sportsontheweb.net/51482473176.pdfIn PDF document text
- https://jiresuzava.weebly.com/uploads/1/3/4/7/134706808/mejobe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383801/normal_600de47182042.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370791/normal_5fdaa8f9de156.pdfIn PDF document text
- https://cdn.sqhk.co/lasanamemego/hie2HAj/14613364140.pdfIn PDF document text
- http://boriroxoxejava.mypressonline.com/acrobat_reader_online.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376878/normal_602a33a4f2fd2.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://nibinelageniwir.epizy.com/32733829886.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/97ed778a-1f40-4528-9eef-bdb94c2731da/twilight_full_hd_movie_download_in_hindi_all_parts_filmyzilla.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/aad7f1b7-e4ad-40f0-84e1-0ae0f186bc20/7355518702.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/edd523ef-f9c0-4afd-ad4a-d58ca8b42973/is_there_a_cheaper_version_of_dyson_airwrap.pdfIn PDF document text
- http://vemewef.rf.gd/almidones_nativos_y_modificados.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/48b2eb8c-8688-421e-8b2d-dbded07d12ae/69717958761.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6670e8d1-d2c2-4cc5-a41a-507435eaf5ad/50182586917.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_off0000cbae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBAE | 5320 bytes |
SHA-256: 7f2e26d7963827aeff964c729974848e59e838bc91388730e2ad3930cd00c19a |
|||
font_01_sfnt_off0000ddb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDB4 | 9764 bytes |
SHA-256: c5b605899ba028231a7047fce3811357d93f65978751461591a1231145ae9087 |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.