MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various PDF files. One of these links, https://traffking.ru/123?utm_term=smoldering+engi+research+station, is flagged as suspicious. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://traffking.ru/123?utm_term=smoldering+engi+research+station
- https://gituwere.weebly.com/uploads/1/3/0/7/130740556/safiwoziramaz_mozusizazag.pdf
- https://cdn-cms.f-static.net/uploads/4413848/normal_5f9d2301c5e43.pdf
- https://cdn-cms.f-static.net/uploads/4393901/normal_5fb50a0c6df93.pdf
- https://cdn-cms.f-static.net/uploads/4369507/normal_5f91119259b26.pdf
- https://cdn-cms.f-static.net/uploads/4374211/normal_5f9584a25cc9f.pdf
- https://pumowurunumig.weebly.com/uploads/1/3/2/7/132740285/9927455.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/7c863620-5e87-45ac-8ce8-f473d659971d/68632474013.pdf
- https://uploads.strikinglycdn.com/files/73c1b514-699c-4bee-b9f9-2377ef06834a/6308535505.pdf
- https://uploads.strikinglycdn.com/files/ed51c779-3202-4cdb-8784-d4009c22a839/dynamics_of_structures_theory_and_applications_to_earthquake_engineering_solution_manual.pdf
- https://uploads.strikinglycdn.com/files/5ae86b8d-4a20-450e-a7a7-c7378f2cbe27/xotos.pdf
- https://s3.amazonaws.com/mupudipuvo/lalojukemogujuvajijon.pdf
- https://s3.amazonaws.com/dikobepibelun/desactiver_notification_chrome_android.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_off0001e2bc.bin70df1ed5e702b4405c485411b20f8702a795b48a2789c5462b0b1fd20d19cfa1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1E2BC | 5456 bytes |
font_01_sfnt_off0001f516.bin6963fdde3b172b5c7604e67a7924162bfecc8f33d7fb7b7f0f4fd9307cbeed45 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1F516 | 11112 bytes |
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