MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link disguised as a data mining answer key, which redirects to a known malicious domain (ttraff.cc). The document also hosts a large number of links to other PDFs, likely for SEO manipulation or to spread malicious content. The ML classifier strongly indicated maliciousness, and the PDF structure suggests a lure to external malicious resources.
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=data+mining+for+business+analytics+answer+key
- http://gerogek.colmontessori.com/uploads/1/3/0/7/130739124/vobor.pdf
- http://jiviwimak.gsacsnj.com/uploads/1/3/1/4/131482995/gomorukesuvav.pdf
- http://files.hcl-informix-user.com/uploads/1/3/1/4/131411199/ede1a6b21276d.pdf
- http://files.finethings4u.co.uk/uploads/1/3/1/4/131483149/71fa521e2.pdf
- https://cdn.shopify.com/s/files/1/0440/9910/9016/files/brainly_download.pdf
- https://cdn.shopify.com/s/files/1/0434/1805/8901/files/vivenoxusisijogijukeli.pdf
- https://cdn.shopify.com/s/files/1/0431/8203/1007/files/bejogivekaw.pdf
- https://cdn.shopify.com/s/files/1/0427/4031/8375/files/3029003975.pdf
- https://cdn.shopify.com/s/files/1/0429/6107/6375/files/dizekazobumewuko.pdf
- https://cdn.shopify.com/s/files/1/0429/5573/5193/files/algebra_math_notes.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lavijado.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/jepomosojavadoji.pdf
- https://cdn.shopify.com/s/files/1/0431/4664/1570/files/89039240454.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_off00006190.bin15bd83bbc466ad0b4e46767268d3bdb6a3f034fb3526a02d375ee6e16f6dca1b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6190 | 5600 bytes |
font_01_sfnt_off000074a8.bin9ef92611102637feb728e14517474b037d0af99f5c7e4401a75f1eddb5f5947d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74A8 | 10156 bytes |
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