MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many pointing to disposable domains, indicating a link farm or SEO spam operation. ClamAV and ML classifiers identified this PDF as malicious, specifically a phishing trojan. While no scripts were explicitly extracted, the PDF structure and heuristic firings suggest it's designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://jacksth.ru/wix?keyword=silicone+keyboard+cover PDF link annotation
- http://instapodarok.site/nubufakorowrw91y.pdfIn PDF document text
- https://cdn.sqhk.co/wawerugile/gjnrjjg/50162863707.pdfIn PDF document text
- https://cdn.sqhk.co/munuluxel/a1xheji/cash_days_2017_street_outlaws.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4484154/normal_60608b04c982c.pdfIn PDF document text
- https://cdn.sqhk.co/subetudagoli/zJjbjir/29384531815.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4479210/normal_601a81736d3f4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414515/normal_600b5e3c1d016.pdfIn PDF document text
- http://klosheff.xyz/recursos_para_la_evaluacion_matematiga8nq.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459175/normal_60258dd2c958a.pdfIn PDF document text
- http://prostotit.site/payday_lending_credit_reportinglloy3.pdfIn PDF document text
- http://pek-24.cc/how_to_level_concrete_formworkyfl2x.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4407988/normal_603a513331d93.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4424331/normal_5fe09778e5c41.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4479236/normal_60353e02ee525.pdfIn PDF document text
- https://cdn.sqhk.co/nafolekuge/dhijhnW/fake_caller_id_online.pdfIn PDF document text
- http://nashremont.site/3329388619184mab.pdfIn PDF document text
- https://cdn.sqhk.co/bitomasijelo/haZBijY/jikaxudulusopekejuvum.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/e5e3bdc4-07c2-4328-acbc-06a19ad92de0/wafivodekabomefowodi.pdfIn PDF document text
- https://601bead5-a720-4f65-98db-62fe2a42cb91.filesusr.com/ugd/0e52b4_652621e339ac42beaf3a7c1eaa1447c1.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/cf4f5645-de5a-4ebe-a58f-7ec82cfbc898/mavinere.pdfIn PDF document text
- https://c2093f15-f4fb-4bda-9582-db5404103fa6.filesusr.com/ugd/b28561_8e71880405114caca2ed3b9297335ed4.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/feb9f53a-d240-4be4-aabb-55b2bf91383c/vizio_e371vl_remote_control.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6d2f5319-f4e2-4535-8953-e1f82c227307/80489179595.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_off0000ec05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC05 | 2900 bytes |
SHA-256: 87262879a7285327af2250313412b15c3758d60b8e01136c360111b3c0f437e8 |
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font_01_sfnt_off0000f658.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF658 | 5224 bytes |
SHA-256: 925e174e3786194d7882f18206781770b17feda0b32d5ce2f91eb900d9fbb952 |
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font_02_sfnt_off0001083b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1083B | 10592 bytes |
SHA-256: 14edae6dfffa97465c3d80ca95f364c27660559b4578cc44825066cf12ed3042 |
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