MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=arterial+blood+gas+interpretation+a+case+study+approach+pdf'. This indicates the document's primary purpose is to redirect users to malicious infrastructure. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm SEO tactic to improve search engine ranking for malicious content. No scripts were extracted from this sample, but the embedded URLs and redirector link are sufficient to determine the attack pattern.
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=arterial+blood+gas+interpretation+a+case+study+approach+pdf
- http://nenefut.hansenrestoration.com/uploads/1/3/1/4/131483144/marexaxakenebokodom.pdf
- http://zamen.mingzhixu.com/uploads/1/3/1/4/131482853/6116607.pdf
- http://files.cthorwigs.com/uploads/1/3/0/8/130814586/9029941.pdf
- http://sifeluvi.crystalobregon.net/uploads/1/3/1/4/131482995/5661a3.pdf
- http://files.michiganmidwife.com/uploads/1/3/1/4/131483719/b46bac00f.pdf
- https://cdn.shopify.com/s/files/1/0436/2534/9283/files/94913018788.pdf
- https://cdn.shopify.com/s/files/1/0434/6524/4832/files/xubizobafuwewuzeweviwok.pdf
- https://cdn.shopify.com/s/files/1/0450/3588/0598/files/aditya_hrudayam_telugu_format.pdf
- https://cdn.shopify.com/s/files/1/0435/4742/6975/files/pedialyte_nutrition_label.pdf
- https://cdn.shopify.com/s/files/1/0449/8112/5278/files/lovetogodi.pdf
- https://cdn.shopify.com/s/files/1/0432/3573/7755/files/avl_tree_java.pdf
- https://cdn.shopify.com/s/files/1/0431/4886/9789/files/slope_of_parallel_and_perpendicular_lines.pdf
- https://cdn.shopify.com/s/files/1/0428/5346/6271/files/80631861467.pdf
- https://cdn.shopify.com/s/files/1/0431/5460/4198/files/44785186380.pdf
- https://cdn.shopify.com/s/files/1/0450/2428/0726/files/kindred_graphic_novel_free.pdf
- https://cdn.shopify.com/s/files/1/0430/9755/5108/files/levidi.pdf
- https://cdn.shopify.com/s/files/1/0433/4246/3126/files/internal_audit_plan_template.pdf
- https://cdn.shopify.com/s/files/1/0435/6656/3487/files/nigarofutijevonavanelis.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_off00005120.bin32847c2e23aa92c1ec5577bed8a5442745150f454af7edca208ac81ceb0edb57 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5120 | 5648 bytes |
font_01_sfnt_off0000644d.bin7944a738b9e2857129d178b2bbadc2ea36dbbee754ceadb9267d41315c1ae606 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x644D | 9748 bytes |
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