MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded URLs that redirect to malicious infrastructure, specifically identified by the 'PDF_MALICIOUS_REDIRECTOR_LINK' heuristic. The document body, though heavily obfuscated, contains text suggesting a lure for 'Android studio tutorialspoint pdf download', which is then linked to a malicious redirector. The presence of numerous external PDF links also indicates a link farm strategy, likely for SEO poisoning or distributing malicious content.
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.cc/pify?keyword=android+studio+tutorialspoint+pdf+download
- http://files.onelifeinhaiti.org/uploads/1/3/0/8/130813366/6661077.pdf
- http://files.golfrcc.com/uploads/1/3/1/0/131070561/1876576.pdf
- http://files.americaninspections.us/uploads/1/3/1/4/131453650/74a73a.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/7909/6728/files/78997365035.pdf
- https://cdn.shopify.com/s/files/1/0431/8868/2916/files/3921776316.pdf
- https://cdn.shopify.com/s/files/1/0435/3739/9960/files/8533855642.pdf
- https://cdn.shopify.com/s/files/1/0432/7132/3804/files/valmiki_ramayanam_ayodhya_kanda_in_telugu.pdf
- https://cdn.shopify.com/s/files/1/0433/2643/9582/files/jiguzemiwozokukovomobe.pdf
- https://cdn.shopify.com/s/files/1/0436/9874/9608/files/javascript_ajax_response.pdf
- https://cdn.shopify.com/s/files/1/0431/6092/8405/files/80549788603.pdf
- https://cdn.shopify.com/s/files/1/0434/1858/3192/files/fogagore.pdf
- https://cdn.shopify.com/s/files/1/0431/4306/9845/files/basic_counseling_skills_handout.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_off00005d56.bina12f7a9471a40fdfbd16db48406a8f79030f6ebe9f3a90ad2774b6fc4279fa0b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D56 | 5116 bytes |
font_01_sfnt_off00006edc.bin4628360bd7ab8ebf3f8c65ee50a6dd294b825370b79482aa6585402dbcebb6dd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EDC | 9824 bytes |
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