MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to domains associated with link farms and redirectors. The document body text, though partially corrupted, includes a URL that appears to be part of a SEO-based link farm designed to attract traffic. The ML classifier also strongly indicated maliciousness.
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.ru/wb?keyword=fuentes%20del%20derecho%20internacional%20pdf
- http://files.elizabethcakesbydesign.com/uploads/1/3/2/6/132682681/0c46fd.pdf
- http://files.thealbertafloodroseproject.com/uploads/1/3/0/9/130969555/13cd00738d.pdf
- http://files.emilyveneresquire.com/uploads/1/3/0/8/130874495/xusoguwogo-lumunobezakexo-movogiji-damutek.pdf
- http://files.newleaforganizingllc.com/uploads/1/3/1/8/131857071/6418065.pdf
- http://files.melodyjwang.com/uploads/1/3/1/4/131453725/lobanu.pdf
- http://files.jackblairgray.com/uploads/1/3/1/3/131384018/eede518175.pdf
- http://files.medfieldheightspto.com/uploads/1/3/1/0/131070190/joridesaz.pdf
- https://zelofakoxa.files.wordpress.com/2020/06/44476178249.pdf
- https://posuwobi.files.wordpress.com/2020/07/fideper.pdf
- https://ponevigafoti.files.wordpress.com/2020/06/50757095288.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/75130531250.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/benubojebexoreloruva.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/20931566490.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/28650507632.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kupesuditijativerawepafu.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/denikiv.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/54313135065.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/
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kupesuditijative
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009369.bin74c0dd8ec5547e609054132f53ef17bc0e2ab701db10393f32536d696e5e8699 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9369 | 5080 bytes |
font_01_sfnt_off0000a4a0.bin494f83678d75d584a2193755cc730b52689e70d522cd68b5604179fa29152b93 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA4A0 | 10796 bytes |
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