MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, a common tactic for link farms or phishing sites. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external PDF links, with one prominent example being 'https://melubezu.weebly.com/uploads/1/3/4/3/134311229/31109b495278.pdf'. The presence of embedded URLs and the ClamAV detection as 'Pdf.Phishing.Trojan' strongly suggest malicious intent, likely to redirect users to malicious content or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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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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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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://trafficel.ru/strik?keyword=lorenzo+s+oil+worksheet+pdf
- https://melubezu.weebly.com/uploads/1/3/4/3/134311229/31109b495278.pdf
- https://vopevejefed.weebly.com/uploads/1/3/1/6/131606133/5841c67d8.pdf
- https://zirasave.weebly.com/uploads/1/3/4/0/134096010/porevekopabob-dewotaj-dunegebuzobe.pdf
- https://zuwumepegowivos.weebly.com/uploads/1/3/1/0/131069935/9124817.pdf
- https://jatorogerujew.weebly.com/uploads/1/3/2/7/132710569/ruxozukozuvazu.pdf
- https://nimediwajukijiz.weebly.com/uploads/1/3/4/5/134501673/dfcbc163513f1.pdf
- https://gikovasedubum.weebly.com/uploads/1/3/4/5/134507074/jokenajiro-maxidiviwaxel.pdf
- https://cdn-cms.f-static.net/uploads/4365551/normal_5f88f6066a6ba.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/9785775c-77b2-4723-b21e-351567001e26/48547597638.pdf
- https://s3.amazonaws.com/tadovu/77405429616.pdf
- https://uploads.strikinglycdn.com/files/36f82b16-a517-443d-8eca-6379ed16061b/81468097853.pdf
- https://uploads.strikinglycdn.com/files/09d4227f-8f1d-4ad6-8ca6-81af4be356de/78560167621.pdf
- https://uploads.strikinglycdn.com/files/e6dfb183-fc0a-4b6d-8a88-162410e84854/witates.pdf
- https://uploads.strikinglycdn.com/files/1596496b-f7ed-4394-b87d-015453ba815b/staar_us_history_2016_answers.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00019bc6.bin9c7daa2f9f1336e597cced1a49a3b24363cff23d6b8063c136fae113b2335bb9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19BC6 | 5068 bytes |
font_01_sfnt_off0001ad1e.bin4ea77a6d91e2b0f1b2ea1ec2698a842b1d481df1da4794500c6d585067912742 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1AD1E | 10956 bytes |
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