MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a link farm and a specific malicious redirector URL disguised as an educational document. The ML classifier strongly indicated maliciousness, and the PDF_MALICIOUS_REDIRECTOR_LINK heuristic confirms the presence of a known malicious redirector. The document body, though heavily obfuscated, contains the malicious URL and references to educational content, suggesting a lure for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://ttraff.ru/pify?keyword=bise+sargodha+11th+class+date+sheet+2019
- http://files.pray4oaxaca.com/uploads/1/3/0/7/130776211/6394780.pdf
- http://files.openstarmaths.org/uploads/1/3/1/6/131637919/98fc8f5e.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/1283/2932/files/employment_application_form_free_printable.pdf
- https://cdn.shopify.com/s/files/1/0428/3400/2086/files/rexawusatedujolu.pdf
- https://cdn.shopify.com/s/files/1/0435/2249/0532/files/captivating_study_guide.pdf
- https://cdn.shopify.com/s/files/1/0432/2128/7067/files/cardiotonicos_farmacologia.pdf
- https://cdn.shopify.com/s/files/1/0430/6360/7445/files/duzisexoruwalutivisu.pdf
- https://cdn.shopify.com/s/files/1/0428/6890/0006/files/sugezaxoxu.pdf
- https://cdn.shopify.com/s/files/1/0437/5861/6733/files/1994943446.pdf
- https://cdn.shopify.com/s/files/1/0432/6267/3054/files/coffee_shop_business_plan_free.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000070b6.bin775eada3dd46ec5963a64aafb03c460f9b9811bbe1b6326815b47285a6900b1b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70B6 | 5732 bytes |
font_01_sfnt_off00008428.binfcbe8b6fb72f89df92bd8f334bc0fc3db2328c323f43e956b537733a42767c29 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8428 | 10340 bytes |
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