MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a prominent link that redirects to a malicious domain, disguised as a free download for 'iit jee chemistry notes pdf'. This is further supported by heuristics indicating a malicious redirector and a link farm designed for SEO manipulation. The ML classifier also strongly flagged this PDF as malicious. The primary intent appears to be directing users to malicious infrastructure through a deceptive lure.
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=iit+jee+chemistry+notes+pdf+free+download
- http://pusabajaw.stalag.org/uploads/1/3/2/6/132681670/megapofabafonewat.pdf
- http://fekalo.unitedsafes.com/uploads/1/3/1/0/131070867/dd4e43367c.pdf
- http://files.goodstuffprimaryresources.com/uploads/1/3/2/6/132681204/lamumolop.pdf
- https://cdn.shopify.com/s/files/1/0439/9045/0334/files/livro_argumentao.pdf
- https://cdn.shopify.com/s/files/1/0445/4852/2143/files/applied_data_science_with_python_and_jupyter.pdf
- https://cdn.shopify.com/s/files/1/0437/1516/6357/files/tawepijug.pdf
- https://cdn.shopify.com/s/files/1/0434/7618/9346/files/nimamu.pdf
- https://cdn.shopify.com/s/files/1/0433/6759/6184/files/2652934476.pdf
- https://cdn.shopify.com/s/files/1/0433/7329/7822/files/97101872063.pdf
- https://cdn.shopify.com/s/files/1/0431/0253/5840/files/sulaseziberukodarajug.pdf
- https://cdn.shopify.com/s/files/1/0435/1452/7908/files/zizugunoxetololumunasuzoj.pdf
- https://cdn.shopify.com/s/files/1/0432/5038/5051/files/4405584059.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/78214852322.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/89462818099.pdf
- https://cdn.shopify.com/s/files/1/0428/0107/0247/files/bisuxejovolave.pdf
- https://cdn.shopify.com/s/files/1/0433/8122/7672/files/setex.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000057f1.bin9d5e1fe27eb8ac34aaab02d794224d34130b0ebe2a051ade0292c03c235ac255 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x57F1 | 5600 bytes |
font_01_sfnt_off00006aeb.binb6aa3c9941cf0fc192210b7e64d63ec9e62395cabc17c2528e0d7e959e8b62eb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AEB | 10408 bytes |
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