MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, specifically identified as a phishing trojan by ClamAV. It contains a large number of external links, many pointing to disposable domains, suggesting a link farm or phishing campaign. The embedded content, though heavily obfuscated, appears to be related to SEO and potentially malicious redirects.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://gimoguvi.ru/strik?utm_term=is+python+more+powerful+than+java PDF link annotation
- http://lerob.info/birkenhead_college_uniformbw3nw.pdfIn PDF document text
- https://lemusovigezamo.weebly.com/uploads/1/3/1/3/131381045/vevorefubuzuxa.pdfIn PDF document text
- https://cdn.sqhk.co/kagelemovo/fidiiIX/ligamunavurewalugubunef.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420911/normal_6050ec2639824.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4411490/normal_6058999aceba7.pdfIn PDF document text
- https://cdn.sqhk.co/kusazofibexa/aiadWji/30271404417.pdfIn PDF document text
- https://nurafotupitu.weebly.com/uploads/1/3/4/4/134495453/3475088.pdfIn PDF document text
- https://cdn.sqhk.co/wexunaveb/d7BCVjf/befanuwozap.pdfIn PDF document text
- https://tunoritusaw.weebly.com/uploads/1/3/5/3/135328070/a1397c8.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4407302/normal_5fc72ff9d7cd9.pdfIn PDF document text
- http://yandex-dostav.ru/painting_with_a_twist_orlando_couponmdmlz.pdfIn PDF document text
- https://dutosagow.weebly.com/uploads/1/3/0/7/130775111/5638581.pdfIn PDF document text
- https://jakugogafezokev.weebly.com/uploads/1/3/1/4/131437362/rotufu-gotenakez-junanalijaj.pdfIn PDF document text
- https://mugokirupela.weebly.com/uploads/1/3/2/6/132681863/cdcc1552.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403687/normal_601a1c839e329.pdfIn PDF document text
- https://jawonuvanez.weebly.com/uploads/1/3/6/0/136021807/zowekanutu-jarafixuga-vavovixiwopax-borebobubafoko.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://0621cc9e-6449-4e8a-a8bd-baee9ad62a2c.filesusr.com/ugd/affb4a_a3d22498c5a3499c8d956813eb3919ec.pdf?index=trueIn PDF document text
- https://307a23dc-bb60-4906-9a68-69e45957aa19.filesusr.com/ugd/d2057d_212fa63d2d3b4d4a9de8c1f1b34d15d7.pdf?index=trueIn PDF document text
- https://4ad55601-b8ab-4ae0-bc0e-e90069072326.filesusr.com/ugd/3aca14_d31374b4e3ad416b9e566d236cbb15f2.pdf?index=trueIn PDF document text
- https://720c7b34-a033-4bf0-83ea-6be17de98aa2.filesusr.com/ugd/03ef8e_4e75400d706d4f12948f9083f856615d.pdf?index=trueIn 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_off0000de17.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE17 | 5408 bytes |
SHA-256: cd891b6055e486e958761c424a04ab4cc2adaca42d8faff0f2477ed332596b49 |
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font_01_sfnt_off0000f071.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF071 | 11056 bytes |
SHA-256: 1b1db7c1ee0141018d5994c976febc040ce8364bfe3bdebac6d53e01ffe14c91 |
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