MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF document contains a large number of embedded links, many of which point to a redirector service. The primary malicious link is https://ttraff.cc/pify?keyword=new+methods+of+teaching+english+language+pdf, which is designed to lead users to further malicious content. The document's structure and the presence of numerous links suggest a link farm or redirection tactic to obscure the ultimate destination. The ML classifier strongly supports the malicious nature of this PDF.
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=new+methods+of+teaching+english+language+pdf
- http://files.seizediem.com/uploads/1/3/1/4/131438741/vewim_gifesimefipotu.pdf
- http://files.eastsidewestsideswcd.org/uploads/1/3/1/8/131872107/6ae01.pdf
- http://files.ahhot.com.au/uploads/1/3/0/9/130969546/ed55f136.pdf
- https://cdn.shopify.com/s/files/1/0438/3460/5730/files/carla_spice_video.pdf
- https://cdn.shopify.com/s/files/1/0430/6278/8245/files/18633729608.pdf
- https://cdn.shopify.com/s/files/1/0428/2921/7958/files/bibuvalesuxagifoguvak.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wifufokamavobopizevotug.pdf
- https://cdn.shopify.com/s/files/1/0437/0658/1147/files/19759525154.pdf
- https://cdn.shopify.com/s/files/1/0432/9373/7110/files/35574259207.pdf
- https://cdn.shopify.com/s/files/1/0432/3885/0724/files/tusozipulitimanema.pdf
- https://cdn.shopify.com/s/files/1/0434/1386/4615/files/xuxigaxezapenuwekawulijef.pdf
- https://cdn.shopify.com/s/files/1/0433/5229/3541/files/noxupolelafom.pdf
- https://cdn.shopify.com/s/files/1/0437/7798/2626/files/vitonudusajozosafugirur.pdf
- https://cdn.shopify.com/s/files/1/0431/1659/3312/files/gatemupuwapavikevopesew.pdf
- https://cdn.shopify.com/s/files/1/0428/6903/1078/files/29084578497.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_off00006a7f.bin35e5ff0f1cce1f41c7ad24c35185db8862fd0f2bad909b72ba3aac7e18f008b9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A7F | 5532 bytes |
font_01_sfnt_off00007d52.binc197e7de5641c946d9a8acddb8be3ea3bbd66f51d48b517dc8d454b1b007d681 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D52 | 10668 bytes |
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