MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. This link, 'https://ttraff.cc/pify?keyword=physiotherapy+for+brachial+plexus+injury+pdf', leads to a malicious site. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs pointing to external files, suggesting a broader distribution or SEO poisoning tactic. No scripts were extracted, but the primary intent appears to be directing users to malicious infrastructure.
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=physiotherapy+for+brachial+plexus+injury+pdf
- http://files.graphite-art.com/uploads/1/3/1/4/131437330/juseraxawuwik_pimelatufozekup_sanowexifimupa.pdf
- http://files.ecojoshua.org/uploads/1/3/1/0/131070611/zamoxi_detekun.pdf
- http://files.lavenderlanemi.com/uploads/1/3/2/6/132696263/302973682aa.pdf
- https://cdn.shopify.com/s/files/1/0431/2137/7434/files/suwibepizu.pdf
- https://cdn.shopify.com/s/files/1/0432/4638/7362/files/14181248258.pdf
- https://cdn.shopify.com/s/files/1/0434/8080/9625/files/second_anglo_boer_war.pdf
- https://cdn.shopify.com/s/files/1/0431/2920/8983/files/potamevanikogibogemukos.pdf
- https://cdn.shopify.com/s/files/1/0443/8307/6518/files/tony_robbins_unlimited_power.pdf
- https://cdn.shopify.com/s/files/1/0437/4049/6033/files/bsc_nursing_interview_questions.pdf
- https://cdn.shopify.com/s/files/1/0427/6856/4380/files/66855719220.pdf
- https://cdn.shopify.com/s/files/1/0431/5866/7430/files/xavodo.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_off000085c2.bindaa65ebaff299c99f65990d9aa785cafba0311bb4cea7eb34858618bf2d08df6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x85C2 | 5628 bytes |
font_01_sfnt_off000098e0.bin6293f1b6d1fb21883be17f9dc99c06e00c4b64d74489e027e7bc08bd14ee92a9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x98E0 | 10816 bytes |
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