MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to external resources. One critical heuristic identified a link to known malicious redirector infrastructure at 'https://ttraff.cc/pify?keyword=vocabulary+in+use+advanced+cambridge+pdf'. The document body, though heavily obfuscated, also contains this URL, suggesting an attempt to lure users to malicious sites under the guise of providing a document. The ML classifier strongly supports the malicious verdict.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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=vocabulary+in+use+advanced+cambridge+pdf
- http://files.kellydaydreamer.com/uploads/1/3/1/8/131871453/jaligitoduruxig.pdf
- http://files.greensborodeckandfence.com/uploads/1/3/0/7/130776344/7366072.pdf
- http://kijavi.miyagi-ajet.org/uploads/1/3/0/9/130969744/3985686.pdf
- http://files.movementforeverfitness.com/uploads/1/3/0/7/130776460/kajebiz.pdf
- https://cdn.shopify.com/s/files/1/0435/4303/6053/files/jutagikugig.pdf
- https://cdn.shopify.com/s/files/1/0437/5071/9642/files/42229843006.pdf
- https://cdn.shopify.com/s/files/1/0430/5453/0709/files/baofeng_uv_5r_plus_manual.pdf
- https://cdn.shopify.com/s/files/1/0433/1002/2814/files/architecture_design_magazine.pdf
- https://cdn.shopify.com/s/files/1/0433/7664/0156/files/business_information_system_5th_sem_calicut_university.pdf
- https://cdn.shopify.com/s/files/1/0437/9141/7505/files/gututirukalunud.pdf
- https://cdn.shopify.com/s/files/1/0429/1903/5033/files/battered_woman_syndrome.pdf
- https://cdn.shopify.com/s/files/1/0430/6088/7705/files/bajuwugedazimodedofuxo.pdf
- https://cdn.shopify.com/s/files/1/0431/6377/9240/files/dovume.pdf
- https://cdn.shopify.com/s/files/1/0428/1230/9671/files/samsung_scx-_3405w.pdf
- https://cdn.shopify.com/s/files/1/0431/3192/8730/files/21036904466.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000069a2.bin4239565fb3b708efed10e29170a78d99b1fd0de0fbc935316a5828dd1fc93bc6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69A2 | 5740 bytes |
font_01_sfnt_off00007d2d.bin915e7bf8faac216738e01a2f7aa1edb2195b775b1f1dbcc6c2627e01322ce197 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D2D | 10612 bytes |
font_02_sfnt_off0000a197.bin56034361f66b2cbb672cdd79591637171ffea75261b7d95bb52ed06155cd5fbd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA197 | 16080 bytes |
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