MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains numerous external links, identified as a link farm, with one prominent URL leading to a resource that appears to be a worksheet answer key. This suggests a social engineering tactic to entice users to click, potentially leading to a malicious download or phishing attempt. The ML classifier strongly indicated maliciousness, supporting this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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://traffnew.ru/123?keyword=run+on+sentence+worksheet+answer+key PDF link annotation
- https://zizuralozirufu.weebly.com/uploads/1/3/1/4/131483034/4586470.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381104/normal_5f8d59a508d1f.pdfIn PDF document text
- https://saxibodusazo.weebly.com/uploads/1/3/0/7/130740440/ruvizotanuxutu-wufopisalikef.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408346/normal_5fa72b4803009.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/tarajix/rodak_s_hematology_6th_edition_free.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a4b565a0-39c4-4771-967a-04a8676392e9/redige.pdfIn PDF document text
- https://s3.amazonaws.com/xanebavifamopez/20780054163.pdfIn PDF document text
- https://s3.amazonaws.com/garorowa/vegifiza.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/94cc05a1-735c-417b-80ac-8c3740927edd/lifenuwekobivipakep.pdfIn PDF document text
- https://s3.amazonaws.com/pusolefosex/rubinabixopo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/83268a0c-39ca-4800-8c70-5e0f6e78fae9/16717564905.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_off000049ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x49EC | 5120 bytes |
SHA-256: 2cd5aafd5f97c21d8f921d246c03b93261ccf7226cce56771410a7d3c135f8a1 |
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font_01_sfnt_off00005b6f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B6F | 9760 bytes |
SHA-256: 2f3c7dacc35577e5c7c8e5c2ff7aa55b74e0ea226a3c4cedafb84d4ef7e4ec6c |
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