MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.com, which is designed to lead users to further malicious content. The document body, though obfuscated, contains text related to medical guidelines and the malicious URL, suggesting a lure. The presence of a PDF link farm heuristic indicates the document is part of a larger campaign to distribute malicious PDFs. No scripts were extracted from this sample.
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.com/pify?keyword=nice+guidelines+infective+exacerbation+of+copd
- http://files.forgiveninchrist.net/uploads/1/3/2/6/132696174/f18bdad0d.pdf
- http://sirufaniz.alloexo.com/uploads/1/3/2/3/132303168/873697.pdf
- http://rowixagax.watsonauctions.net/uploads/1/3/0/8/130874153/3837271.pdf
- https://cdn.shopify.com/s/files/1/0437/7713/0658/files/wijiwuzularolorafez.pdf
- https://cdn.shopify.com/s/files/1/0431/1249/7312/files/13156958790.pdf
- https://cdn.shopify.com/s/files/1/0437/7496/7965/files/stanford_antibiotics_review.pdf
- https://cdn.shopify.com/s/files/1/0434/5213/7622/files/rci_2950_mods.pdf
- https://cdn.shopify.com/s/files/1/0430/0649/2823/files/trapping_rain_water.pdf
- https://cdn.shopify.com/s/files/1/0431/6934/9794/files/616853227.pdf
- https://cdn.shopify.com/s/files/1/0431/8799/4792/files/24741510547.pdf
- https://cdn.shopify.com/s/files/1/0435/3854/6840/files/difference_between_bioavailability_and_bioequivalence.pdf
- https://cdn.shopify.com/s/files/1/0432/4638/7362/files/aol_email_server_settings_android.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_off00005e8f.bin4f971b9d5fe6994257fd38a568f080cd564e9c783eaf6532a26cd2f3f2502eac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E8F | 5560 bytes |
font_01_sfnt_off00007186.bin679009701f4c13edcce2a2edf3849bb00870057d583a262eadd0d66ae19bf607 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7186 | 10096 bytes |
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