MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or phishing attempt. The ML_NYX_PDF_MALICIOUS and ClamAV detections strongly indicate malicious intent. The embedded URLs, such as 'https://zajinet.ru/strik?utm_term=tempstar+central+air+conditioning+reviews', are likely used to redirect users to malicious content or phishing pages.
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-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://zajinet.ru/strik?utm_term=tempstar+central+air+conditioning+reviews
- https://cdn-cms.f-static.net/uploads/4391620/normal_603e74d0ad4e3.pdf
- http://tojuvapemupo.mywebcommunity.org/manual_de_automatismo_industrial.pdf
- https://static.s123-cdn-static.com/uploads/4484636/normal_5fe2518f33a49.pdf
- https://cdn-cms.f-static.net/uploads/4450898/normal_6051b07fb4cca.pdf
- https://static.s123-cdn-static.com/uploads/4426075/normal_5fe29fc8a2e7c.pdf
- http://talobaniwi.iblogger.org/22698199776.pdf
- https://cdn-cms.f-static.net/uploads/4385217/normal_60538dcb22a1e.pdf
- https://cdn-cms.f-static.net/uploads/4414487/normal_6050b368d1f8f.pdf
- http://safipewex.iblogger.org/89601784572.pdf
- https://cdn-cms.f-static.net/uploads/4470218/normal_603ba86de1b46.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/kijelopazekune/jam_plus_2_speaker_pairing.pdf
- https://s3.amazonaws.com/ziwuvijevo/pamavoxumexeraperise.pdf
- https://eed7fa7e-4f31-4ba6-8269-e73f07ac74c5.filesusr.com/ugd/93374d_5101dcc76b99433f9852138806c08c9d.pdf?index=true
- http://gutekuretejapoj.onlinewebshop.net/graph_paper_a4.pdf
- https://7b4e975e-109f-4397-a679-93e438ff1453.filesusr.com/ugd/c33f71_1dab2534f70043ecacbc123411f4a070.pdf?index=true
- https://s3.amazonaws.com/dapekufoxiraku/cheapest_best_trimmer.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_off00013745.bin3b321a8b6bc0e660a950f1172159f16b35cb4f6e86daa9f9a5e424a888694945 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13745 | 5492 bytes |
font_01_sfnt_off000149eb.bin62d6e060488b3ec1bd50ffbf7c60fcca8c92566c742b37cdc459f23cd8341a66 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x149EB | 11096 bytes |
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