MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file was flagged as malicious by a machine learning classifier and contains a critical heuristic indicating a link to known malicious redirector infrastructure. Additionally, it features a link farm with numerous external PDF links, suggesting an attempt to manipulate search engine results or distribute content. The primary malicious IOC is the redirector URL, which likely serves as a gateway to a malicious site.
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=alaporan+tamilan+bgm+ringtone
- http://files.marissagagliano.com/uploads/1/3/2/6/132681891/suvitudafo.pdf
- http://files.donegalfoundation.org/uploads/1/3/1/0/131070872/magifesibekifex_noxowaradete_mejelofezapap.pdf
- http://files.sandylanhamphotography.com.au/uploads/1/3/1/4/131437037/vibejimemib-tinuziziwudaruz-libolugagog.pdf
- https://cdn.shopify.com/s/files/1/0432/7692/7141/files/37641232378.pdf
- https://cdn.shopify.com/s/files/1/0435/4880/3227/files/weputulorolalexupabuluw.pdf
- https://cdn.shopify.com/s/files/1/0431/4939/4080/files/wigega.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sividejujim.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/43778875991.pdf
- https://cdn.shopify.com/s/files/1/0432/5454/6590/files/81128202459.pdf
- https://cdn.shopify.com/s/files/1/0432/8954/2809/files/9415144969.pdf
- https://cdn.shopify.com/s/files/1/0433/6232/0536/files/68122520950.pdf
- https://cdn.shopify.com/s/files/1/0428/6241/1935/files/nigaluwulegopigosogetim.pdf
- https://cdn.shopify.com/s/files/1/0428/9455/7351/files/23239966612.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_off0000529b.binb8c6a51807ed325031cec870999c2c57663b8bc63e7dfc22f4af27416dfd91a5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x529B | 4876 bytes |
font_01_sfnt_off00006309.bin8bf3db57080ac109a31017c512d29f4c1ceceb053568b38b38dc89aa5b162d81 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6309 | 9920 bytes |
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