MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a malicious redirector link, identified as 'https://ttraff.cc/pify?keyword=uc+browser+android+software', which is designed to lead users to further malicious content. The document also hosts a large number of links to other PDFs, likely for SEO manipulation or to spread the malicious payload across multiple domains. The ML classifier strongly indicated maliciousness.
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=uc+browser+android+software
- http://files.michaelbigelowdixon.com/uploads/1/3/1/0/131070651/f479b1ab2fe6.pdf
- http://watuxu.louthanlab.com/uploads/1/3/0/8/130813765/e6397f.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/9436/8663/files/movizubedipilun.pdf
- https://cdn.shopify.com/s/files/1/0432/5815/1072/files/digital_electronics_william_gothmann_download.pdf
- https://cdn.shopify.com/s/files/1/0430/6593/3985/files/28397456005.pdf
- https://cdn.shopify.com/s/files/1/0440/5002/2550/files/cindy_trimm_warfare_prayer.pdf
- https://cdn.shopify.com/s/files/1/0436/8983/6697/files/9695702500.pdf
- https://cdn.shopify.com/s/files/1/0428/7240/6179/files/50335641884.pdf
- https://cdn.shopify.com/s/files/1/0434/7366/6213/files/7945904408.pdf
- https://cdn.shopify.com/s/files/1/0447/5728/7061/files/66279370194.pdf
- https://cdn.shopify.com/s/files/1/0432/6490/1270/files/circle_of_fifths_chart.pdf
- https://cdn.shopify.com/s/files/1/0433/0212/5733/files/dofulujafepilat.pdf
- https://cdn.shopify.com/s/files/1/0432/5018/8443/files/98849406116.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000063d3.bin8b1ae2621b06213167070ae8572d06d02fa796cd0b5d0f2100d6cd2834a17b62 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63D3 | 5208 bytes |
font_01_sfnt_off0000759b.binefe6b102c1a6cb3574907ede1da22c9be6e064c4c6f2f623013532d4efbe3538 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x759B | 10252 bytes |
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