MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing operation. The embedded URL 'https://pistant.ru/pbw?utm_term=how+to+control+vivint+thermostat+without+service' indicates a lure related to smart home devices. ClamAV and ML classifiers strongly indicate maliciousness, with ClamAV identifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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://pistant.ru/pbw?utm_term=how+to+control+vivint+thermostat+without+service PDF link annotation
- https://cdn-cms.f-static.net/uploads/4490264/normal_6052fce0e9aea.pdfIn PDF document text
- https://ganeravis.weebly.com/uploads/1/3/1/3/131384604/domozenu_kubexojap.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4482858/normal_6066bf647a071.pdfIn PDF document text
- https://buvapubadoloj.weebly.com/uploads/1/3/4/2/134265521/1782956cf2ddb8e.pdfIn PDF document text
- https://mivuwapirodi.weebly.com/uploads/1/3/2/6/132681474/gugapisa-sowam.pdfIn PDF document text
- https://kejedavozeve.weebly.com/uploads/1/3/1/4/131483662/wemolitesajowajo.pdfIn PDF document text
- https://fakibugopozap.weebly.com/uploads/1/3/2/7/132712115/11547.pdfIn PDF document text
- https://tenogamux.weebly.com/uploads/1/3/2/6/132681545/443016.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384655/normal_603f1f17aab28.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4474978/normal_60109d6e83b79.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/38b7aa6a-1266-4feb-992c-6b6aa6f47e27/70718495358.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d40072be-512d-4c61-80fb-48a2d977c3c0/70052706727.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c8eed61d-db77-411c-8be2-be7699a2c06a/43768075929.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/47dbdcca-7efe-4f4f-b62a-997b62501ae7/best_art_history_graduate_programs_uk.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6fde0a18-1f5e-4a46-aa15-ac366ae3233e/63120242263.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/db9d1ae6-57e2-4f41-85ec-4a61a024e606/doadan_form_kark_bitki_ay_ierii.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d8893c2f-61b5-4ea6-bfa0-0dc30b506337/apple_app_store_cyber_monday_deals.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/18343597-14ce-49f7-a549-6b6c3ff2c43b/kigupovedulazotuves.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_off0000ea1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA1D | 5152 bytes |
SHA-256: 8e64769bd0cea3f91a9817da5bc26433933a5fdf7eb4e2080c2abb9362487e16 |
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font_01_sfnt_off0000fb87.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB87 | 11656 bytes |
SHA-256: a32cb33f053245662bd18724fbf6de4ba4eda80ee497b83aa2f9b30635996d38 |
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