MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious File
The PDF file contains a significant number of embedded links, with a critical heuristic firing indicating a malicious redirector. The ML classifier also strongly flagged this PDF as malicious. The primary malicious IOC is the redirector URL, which likely leads to a further stage of the attack. The document body itself is heavily obfuscated and contains embedded URLs, reinforcing the malicious intent.
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=mips+if+statement
- http://files.desertskydoodles.com/uploads/1/3/1/3/131379168/399083.pdf
- http://files.shopurbanhandmade.com/uploads/1/3/0/7/130739603/fuzusavedo.pdf
- http://files.almoraproperty.com/uploads/1/3/0/8/130814129/pipuwaxivutoradix.pdf
- https://cdn.shopify.com/s/files/1/0433/8617/5651/files/22529908554.pdf
- https://cdn.shopify.com/s/files/1/0434/7035/6637/files/17359550005.pdf
- https://cdn.shopify.com/s/files/1/0437/7228/0981/files/38894402563.pdf
- https://cdn.shopify.com/s/files/1/0439/9228/5342/files/58724071241.pdf
- https://cdn.shopify.com/s/files/1/0430/7920/5031/files/18478343364.pdf
- https://cdn.shopify.com/s/files/1/0431/1672/4386/files/89617011340.pdf
- https://cdn.shopify.com/s/files/1/0429/1588/9305/files/zamuteb.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/23281911610.pdf
- https://cdn.shopify.com/s/files/1/0438/6773/4171/files/14834360688.pdf
- https://cdn.shopify.com/s/files/1/0429/5370/3590/files/26730997124.pdf
- https://cdn.shopify.com/s/files/1/0436/4858/1782/files/vawedojijenabada.pdf
- https://cdn.shopify.com/s/files/1/0431/8937/1044/files/36435127481.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_off00006331.bin6c05c4cee1e3ba000b7f81f05fed67e8f0e0b2a873426f8a3fbb773c2fa1909e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6331 | 4924 bytes |
font_01_sfnt_off000073f1.bin36162c0fb594e92382678d0ec5327280a0fe785398ac438276bba62f09ec1c43 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73F1 | 15296 bytes |
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