MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged as malicious by a machine learning classifier and contains a critical heuristic indicating it links to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=medical+embryology+pdf', which is a known malicious redirector. Additionally, the PDF exhibits characteristics of a link farm, with numerous embedded URLs pointing to external resources, including benign Shopify links and other unknown domains.
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=medical+embryology+pdf
- http://files.adaptingtohearingloss.com/uploads/1/3/0/9/130969774/nuxitepudukogoxaf.pdf
- http://files.chatinfrench.com/uploads/1/3/1/0/131070231/754114.pdf
- http://files.rmmarketingservices.com/uploads/1/3/0/8/130815009/7381031.pdf
- http://files.eatwithjames.com/uploads/1/3/2/7/132712088/8168614.pdf
- https://cdn.shopify.com/s/files/1/0428/4458/6140/files/39471052310.pdf
- https://cdn.shopify.com/s/files/1/0431/8953/4869/files/40010721071.pdf
- https://cdn.shopify.com/s/files/1/0431/5388/3293/files/80051549542.pdf
- https://cdn.shopify.com/s/files/1/0431/9097/6673/files/notibedodavabe.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/23063093424.pdf
- https://cdn.shopify.com/s/files/1/0438/0862/0701/files/dozif.pdf
- https://cdn.shopify.com/s/files/1/0438/3434/3574/files/39244239527.pdf
- https://cdn.shopify.com/s/files/1/0437/1342/9655/files/kupujefunumawug.pdf
- https://cdn.shopify.com/s/files/1/0441/2289/8584/files/kinopuseluvoxob.pdf
- https://cdn.shopify.com/s/files/1/0429/3178/1791/files/jepodakagefukixuremek.pdf
- https://cdn.shopify.com/s/files/1/0434/6180/4197/files/13638373427.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_off00009358.bin969b13e005bd78a5ce225d195cd4fb533ffe7b92bb9ba2a2b84199f5b41a4f86 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9358 | 5544 bytes |
font_01_sfnt_off0000a631.bina5ae5702f89ee769c927cccc58e34da4af1bac76aa001aee2f0c124b10e1e818 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA631 | 11644 bytes |
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