MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links designed to redirect users to potentially malicious content, as indicated by the 'PDF_MALICIOUS_REDIRECTOR_LINK' heuristic. The document body text and embedded URLs suggest a lure related to "Bihar board 12th admit card" to encourage clicks. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious redirector or phishing attempt.
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=bihar+board+12th+admit+card
- http://files.borrowedheartsfoundation.org/uploads/1/3/0/7/130739974/miron-wuzipemarapu-najoxazararos.pdf
- http://nojur.royackerskennels.com/uploads/1/3/1/3/131380828/8312371.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://fedorahosted.org/lohit
- https://cdn.shopify.com/s/files/1/0433/7201/9877/files/desixagifis.pdf
- https://cdn.shopify.com/s/files/1/0432/6427/8686/files/11432130401.pdf
- https://cdn.shopify.com/s/files/1/0428/7810/7811/files/tovuxolajefiwexekowevuvoz.pdf
- https://cdn.shopify.com/s/files/1/0431/0774/5958/files/massachusetts_rmv_manual.pdf
- https://cdn.shopify.com/s/files/1/0438/3208/2594/files/74711480314.pdf
- https://cdn.shopify.com/s/files/1/0432/5205/6227/files/logo_quiz_free_ultimate_guess_answers.pdf
- https://cdn.shopify.com/s/files/1/0428/0143/0695/files/wiwirugaxumajizepipiwix.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000068f9.bin831cfca837a4e937fcc8939f86f09558ec331ef4b4cbde9a447fdf678621a058 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68F9 | 5340 bytes |
font_01_sfnt_off00007afb.binfefa0d822720278e2e2b6416da97d4ebf0db42aa99e8f7a656dbced7c66cd751 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AFB | 12664 bytes |
font_02_sfnt_off0000a3e3.bin2730a5e62ed11968948a7de30a5fbb4ab89a0aefa33bf2605b6f47ae7349a415 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA3E3 | 7428 bytes |
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