MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of external links, many pointing to S3 buckets, which is indicative of a link farm or SEO manipulation tactic. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or hosting malicious content. The embedded URL points to a domain associated with potentially malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://trafffi.ru/strik?utm_term=inflation+uncertainty+definition+economics PDF link annotation
- https://cdn-cms.f-static.net/uploads/4426556/normal_5fd2e33f7b36c.pdfIn PDF document text
- https://rubosesizip.weebly.com/uploads/1/3/4/7/134744628/8787227.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/davubewu/duvinixefiv.pdfIn PDF document text
- https://s3.amazonaws.com/dakebesuvum/25756974534.pdfIn PDF document text
- https://s3.amazonaws.com/lolaritemukole/geeklink_thinker_manual.pdfIn PDF document text
- https://s3.amazonaws.com/pizexopenaxu/freedom_hill_elementary_school.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ea55461b-b337-4d46-b798-8d8b6300c061/86920435434.pdfIn PDF document text
- https://s3.amazonaws.com/guvovigo/96916295205.pdfIn PDF document text
- https://s3.amazonaws.com/dutuzanob/vatutuvatozi.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC79 | 5088 bytes |
SHA-256: 805a84f95a9f2588298308c4313ca984ff6402d571b848d57bf70f08cfea5f12 |
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font_01_sfnt_off0000fda9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDA9 | 11644 bytes |
SHA-256: 90e6e80fb195d37cd9d473a482c64c6eb9327df68f4849d0b8902eadb6a30db6 |
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font_02_sfnt_off00012526.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12526 | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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