MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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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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://nipisod.ru/strik?utm_term=introducing+phonetics+and+phonology+pdf PDF link annotation
- https://xufolonul.weebly.com/uploads/1/3/2/6/132695880/wudunamafezu.pdfIn PDF document text
- https://noxerurivago.weebly.com/uploads/1/3/4/7/134767941/gajujiba.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4404969/normal_5fffd752d535d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421224/normal_606a42da3747b.pdfIn PDF document text
- https://vomizovuzib.weebly.com/uploads/1/3/1/6/131637161/tetibekek-fetudugoxumer-tituwiwojubolu-jenoka.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4386829/normal_5ff9654bbaa46.pdfIn PDF document text
- https://suxosuliresud.weebly.com/uploads/1/3/5/3/135351283/f383e.pdfIn PDF document text
- https://jokunotewe.weebly.com/uploads/1/3/5/3/135314966/lidefijel-vasaruxogog-gurukexorexadi.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/3fd6a39d-e841-4bc1-8cb3-48e005175c80/national_rice_cooker.pdfIn PDF document text
- https://s3.amazonaws.com/likerajatob/message_theme_apk_free.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5c37a934-46f0-4e85-948d-4f71794c3771/wifas.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0c71ab16-c9b5-445b-b442-a628c5ee5ddb/how_to_tell_if_fridge_compressor_is_not_working.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cdfd91df-d837-456b-a23f-3db638178438/does_ps3_controller_work_on_ps4_reddit.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0c70c02f-1b7d-4d45-8665-f82be54c7fed/wuzuliget.pdfIn PDF document text
- https://s3.amazonaws.com/girilifawuxi/parajajoxobopufif.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9fb79a8b-3e73-4824-8948-ca0b1a473f87/50367410771.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/555e27a2-aea1-49c2-a81c-ba9e4f18b956/pukuse.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fd339333-ee3c-4420-9fc5-0a3361b71051/lonumad.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9fd843ae-7446-4758-ba94-31c4cf5bc2a4/fishing_tackle_box_for_crappie.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/08e593e0-7703-4116-92ad-7379386d5511/93028871848.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_off0000ea4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA4A | 5456 bytes |
SHA-256: cfddc6a5529be3011bd8df284f1f3044310f4f7195c64afc142a4a867be24d47 |
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font_01_sfnt_off0000fcdf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCDF | 11448 bytes |
SHA-256: f7a2c6084a24a5e359525b97e04fd5fadb57a3834cd1d2116742c862309562e8 |
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