MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded links that lead to a redirector infrastructure, specifically `ttraff.com`, which is flagged as malicious. The document body, though heavily obfuscated, contains text suggesting a lure related to the Chernobyl disaster. The presence of numerous external PDF links, many pointing to Shopify domains, indicates a link farm designed to distribute malicious content or improve SEO for malicious sites. 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.com/pify?keyword=chernobyl+disaster+report+pdf
- http://rabelelud.radiantmothermassage.com/uploads/1/3/2/3/132302942/337101.pdf
- http://files.badmintonsouthaustralia.com.au/uploads/1/3/0/7/130739802/2804657.pdf
- http://files.pipain.com/uploads/1/3/2/7/132740763/857198200bd6.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/6552/3870/files/siwipi.pdf
- https://cdn.shopify.com/s/files/1/0440/3894/6981/files/horn_of_the_brown_wolf.pdf
- https://cdn.shopify.com/s/files/1/0431/2743/9526/files/1526123691.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/81108552740.pdf
- https://cdn.shopify.com/s/files/1/0437/2827/3557/files/child_anxiety_test.pdf
- https://cdn.shopify.com/s/files/1/0430/9005/1221/files/mofafi.pdf
- https://cdn.shopify.com/s/files/1/0428/3446/0828/files/70525597507.pdf
- https://cdn.shopify.com/s/files/1/0434/2700/4577/files/26897357462.pdf
- https://cdn.shopify.com/s/files/1/0431/4244/7261/files/46889038536.pdf
- https://cdn.shopify.com/s/files/1/0440/3573/5717/files/31083502894.pdf
- https://cdn.shopify.com/s/files/1/0434/7795/8822/files/kenokiforumawip.pdf
- https://cdn.shopify.com/s/files/1/0430/7573/1616/files/78767504607.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000662d.bin4423644a2190e3e240e5bdf07352a87cd93086db4539a013bc4d6599213900a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x662D | 5276 bytes |
font_01_sfnt_off0000780e.bin30f7f97a6a9d57924be16e771370bec7dc2da633308fd6eee364437b283c8fa7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x780E | 10256 bytes |
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