MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document was flagged as malicious by 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 0.9994
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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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://kuzutuzo.ru/award?keyword=gcse+maths+algebra+questions+pdf PDF link annotation
- http://gifozizonumili.iblogger.org/yandex_browser_lite_android.pdfIn PDF document text
- http://gukojedovarek.22web.org/86265299177.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490364/normal_60460ceaf2676.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489241/normal_605974b09b590.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393762/normal_6026883a4807f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485176/normal_600b14bc3f95b.pdfIn PDF document text
- http://mowefopovog.mywebcommunity.org/bring_me_to_life_violin_sheet_music.pdfIn PDF document text
- http://sojofas.iblogger.org/droidadmin_apk_free.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4407807/normal_60340e16db279.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414164/normal_5fd3c23e17fb6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4464523/normal_60286a94a8829.pdfIn PDF document text
- http://rasezatoxefu.mygamesonline.org/toefl_exam_sample_test.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4418584/normal_5ff96a243dca7.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://e966359d-176b-477a-9ad9-c314bea94227.filesusr.com/ugd/fa6f14_3bde2411977e4c1e8e04d7de533318f2.pdf?index=trueIn PDF document text
- https://f5071db7-799c-4807-8cfa-c66b012f33b1.filesusr.com/ugd/9a4546_84b33b04c686436c85cab2f65889a873.pdf?index=trueIn PDF document text
- https://e510c2d5-567e-4a96-89ff-abc18316baf7.filesusr.com/ugd/8a9bcc_1aa802927d804176a656dcc062ec1df6.pdf?index=trueIn PDF document text
- http://wiwedekepumepup.epizy.com/rekazaxipazanu.pdfIn PDF document text
- http://gipebevu.atwebpages.com/pet_rocks_for_sale_ebay.pdfIn PDF document text
- http://gavawekib.myartsonline.com/addition_without_regrouping_worksheets_for_grade_1.pdfIn PDF document text
- http://pubupamosala.epizy.com/surufimubu.pdfIn PDF document text
- http://zovibeviniga.myartsonline.com/47738592366.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/194f7f99-ef28-49c5-b50d-0c1ec66a62f4/lowrance_mark-4_chirp.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d1197e39-d79b-4e7c-b4ba-f987586ece71/wojaxuripixubaletimuto.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_off0000f14f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF14F | 5864 bytes |
SHA-256: 82fa63a7cd9b1dade22ba904f98b1d28abc70ec0c302cca52f7de786c0d932ac |
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font_01_sfnt_off0001050b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1050B | 12344 bytes |
SHA-256: 8dd899f9b5315dac32ba63b1680d6325e46ea7b305bdb2690428a8237b4a417a |
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