MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged as malicious by both ML classification and ClamAV, indicating a high likelihood of malicious intent. The primary function appears to be a link farm, containing numerous external links to other PDFs hosted on disposable domains, likely for SEO manipulation or to distribute further malware. The presence of external URIs and a large number of links on disposable hosting supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://xajibur.ru/strik?utm_term=what+did+perseus+kill+medusa+with PDF link annotation
- https://tetaretutu.weebly.com/uploads/1/3/4/8/134872422/wusewesenaruvitugapu.pdfIn PDF document text
- https://soregoba.weebly.com/uploads/1/3/0/7/130739918/sokajido.pdfIn PDF document text
- http://fitokapss.xyz/laurel_wreath_headband_template9to98.pdfIn PDF document text
- http://summ-ita.space/aluminum_copper_clad_laminate_sheet_manufacturersvm1zf.pdfIn PDF document text
- http://mediaverifiedbadge.com/fubajozogemupekosuwqusy.pdfIn PDF document text
- https://mobefoba.weebly.com/uploads/1/3/0/7/130776725/7872977.pdfIn PDF document text
- https://giximanuv.weebly.com/uploads/1/3/4/5/134526051/lomevivadefalul_muwom.pdfIn PDF document text
- https://mokitapakajare.weebly.com/uploads/1/3/4/8/134885173/a5c2b82c9d3.pdfIn PDF document text
- https://tijogarukaro.weebly.com/uploads/1/3/4/7/134710746/789373.pdfIn PDF document text
- https://zirakamu.weebly.com/uploads/1/3/1/3/131398357/4868346.pdfIn PDF document text
- http://matras-24.ru/tasifawetolotexajunabavak0vc4p.pdfIn PDF document text
- http://vengriya.space/song_aishiteru_banzai3ynj1.pdfIn PDF document text
- https://dojufewuwi.weebly.com/uploads/1/3/4/2/134235401/bonujogux.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/093e6da7-8a31-46ef-959d-4f08537a3264/suzosumekopugebejekuwiw.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ede5af3c-8926-43b8-ba3d-2f8790b13dea/grammar_and_punctuation_worksheets_high_school.pdfIn PDF document text
- https://s3.amazonaws.com/xajowu/vurogavoxejozesuxexoza.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3a70388b-8151-4d46-bb3e-fe1d7bed8a9e/44182752345.pdfIn PDF document text
- https://s3.amazonaws.com/zoromexemuzid/xulefesekuguvirabirowu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ffeaf62b-d0ce-4c54-a194-6acb80136144/dogujusodumidisesaxo.pdfIn PDF document text
- https://s3.amazonaws.com/sezebepit/lasixozoliwolu.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_off00011442.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11442 | 5368 bytes |
SHA-256: 54d97984411486044336d896278d180c81022f92e74ef68165d41343dbe3c758 |
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font_01_sfnt_off0001266e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1266E | 14264 bytes |
SHA-256: ab590b02828df2b88d334d479b3becc6cc0638ee3c7c08b84a7dd3810dc7ef70 |
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