MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains a large number of external links, suggesting it's part of a link farm or SEO manipulation scheme. The primary malicious URL identified is https://trafffi.ru/123?utm_term=biology+lab+report+example+high+school, which is likely used to redirect users to further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://trafffi.ru/123?utm_term=biology+lab+report+example+high+school
- https://suzokapiwewop.weebly.com/uploads/1/3/4/3/134351383/2970659.pdf
- https://cdn-cms.f-static.net/uploads/4421970/normal_5fa8907d3d557.pdf
- https://cdn-cms.f-static.net/uploads/4370791/normal_5f90dd34e5def.pdf
- https://cdn-cms.f-static.net/uploads/4408989/normal_5fa95f1ba80f0.pdf
- https://sipobazi.weebly.com/uploads/1/3/4/4/134494275/bexonemedumo.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://s3.amazonaws.com/jebupofedijakuk/18777967194.pdf
- https://s3.amazonaws.com/vavale/essay_writing_worksheets_for_6th_grade.pdf
- https://uploads.strikinglycdn.com/files/ee4406e4-180b-493c-ac06-b9d300b863ac/visevowirowenewo.pdf
- https://s3.amazonaws.com/susopuzupure/7358549020.pdf
- https://uploads.strikinglycdn.com/files/8349f0b2-f937-4fbe-af1a-7081c93aad08/23756397783.pdf
- https://s3.amazonaws.com/pewebopufupe/xejiwoxusekofu.pdf
- https://s3.amazonaws.com/mawesenasijoser/grace_period_for_expired_drivers_license_co.pdf
- https://s3.amazonaws.com/nalifij/jekufifebexemur.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f131.bin113e036c6f7fd696dcb5fa4fe8ad5871812423e3298db8f1ee2dcabff70564c5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF131 | 5388 bytes |
font_01_sfnt_off00010389.binb4d271532ee9f60f12b94073b211f344f99f762226c8192f00f4c272c5b896c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10389 | 10192 bytes |
font_02_sfnt_off0001265e.bin0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1265E | 4324 bytes |
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