MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, including one pointing to a known malicious redirector at 'ttraff.cc'. The ML classifier strongly indicated maliciousness, and the PDF structure suggests it's part of a link farm designed to manipulate search engine results or lead users to malicious content. No scripts were extracted, but the presence of embedded URLs and the heuristic firings strongly suggest a malicious intent to redirect users.
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=encyclopedia+of+automotive+engineering+engines+fundamentals+pdf
- http://files.lifetransforminghabits.com/uploads/1/3/1/4/131482926/roxojebusenije.pdf
- http://files.jambandpurist.com/uploads/1/3/1/6/131637131/555d9.pdf
- http://files.lissalubinskimd.com/uploads/1/3/1/6/131637649/decb6b2582cafe.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/0985/9999/files/45131009596.pdf
- https://cdn.shopify.com/s/files/1/0432/6273/8592/files/vedas_in_marathi_free_download.pdf
- https://cdn.shopify.com/s/files/1/0429/0006/2371/files/lerezukubi.pdf
- https://cdn.shopify.com/s/files/1/0432/8990/3259/files/refipenudofepidadi.pdf
- https://cdn.shopify.com/s/files/1/0430/6495/0946/files/24296924463.pdf
- https://cdn.shopify.com/s/files/1/0427/9386/1279/files/41379477461.pdf
- https://cdn.shopify.com/s/files/1/0434/8782/1984/files/99082913200.pdf
- https://cdn.shopify.com/s/files/1/0429/8106/4853/files/tavagiduva.pdf
- https://cdn.shopify.com/s/files/1/0433/4957/3784/files/nolemuseni.pdf
- https://cdn.shopify.com/s/files/1/0432/4183/2615/files/deenbandhu_biogas_plant.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_off00006615.binc9febfc65cacf03953c35cb3b41f50c977840bbca1b257fd8944f786f2217fea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6615 | 5596 bytes |
font_01_sfnt_off00007919.bin49f1c345582212729590e0456707ca92d3838aef8cba26fbcaa28f8c5b0a0640 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7919 | 2116 bytes |
font_02_sfnt_off000082e4.bin314bba18db32c300456c5c597effe90949a11ae58618359055c042a2a2ad8877 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82E4 | 14888 bytes |
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