MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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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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://traffnew.ru/123?utm_term=what+is+student+answer+service+for+college+board PDF link annotation
- https://cdn-cms.f-static.net/uploads/4379611/normal_5fa573e5a3138.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417129/normal_5f988a1c07467.pdfIn PDF document text
- https://buvitefano.weebly.com/uploads/1/3/4/1/134131500/7233935.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368978/normal_5fab965b833e1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385204/normal_5fa80e3ed2b4c.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/xeropizuwe/gaminixutegimuk.pdfIn PDF document text
- https://s3.amazonaws.com/kavitokolezub/bath_and_body_works_coupon_codes_2020.pdfIn PDF document text
- https://s3.amazonaws.com/jowutoneranemuk/83882943933.pdfIn PDF document text
- https://s3.amazonaws.com/kexamoxusinixu/stormzy_blinded_by_your_grace_remix.pdfIn PDF document text
- https://s3.amazonaws.com/leguvefu/moroxodutebegulave.pdfIn PDF document text
- https://s3.amazonaws.com/bifamomove/codycross_app_answers.pdfIn PDF document text
- https://s3.amazonaws.com/zarusegibitumet/alayo_singer_album.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_off0000c5d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5D2 | 5588 bytes |
SHA-256: b6ef20d0ac9b39d5e89112a841931191cb87f8265518413afde4ea38ed4cd2e5 |
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font_01_sfnt_off0000d8eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8EB | 10848 bytes |
SHA-256: 3120dc3b27b77ac0e33156b1523478c8ec533091866443189e70df8d778c8b22 |
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