MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link to a known malicious redirector, ttraff.ru, which is disguised as a resource for Adobe Illustrator brushes. The document also functions as a link farm, hosting numerous other PDFs on various domains, many of which are hosted on shopify.com. The ML classifier strongly indicated maliciousness, and the presence of a malicious redirector confirms the intent to lead the user to harmful content.
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/pify?keyword=adobe+illustrator+cc+brushes
- http://files.marketingemailnewsletter.us/uploads/1/3/1/0/131070394/87c6a33.pdf
- http://files.inaxtech.com/uploads/1/3/1/4/131482886/83983.pdf
- http://files.demigodlodge.org/uploads/1/3/1/6/131637357/zogipoturojabonawa.pdf
- http://jovolas.fbcrecreation.com/uploads/1/3/0/8/130874359/8227017.pdf
- https://cdn.shopify.com/s/files/1/0428/2171/4079/files/kadijubelowitosudop.pdf
- https://cdn.shopify.com/s/files/1/0440/6670/1477/files/3490913146.pdf
- https://cdn.shopify.com/s/files/1/0435/2756/9576/files/97452007788.pdf
- https://cdn.shopify.com/s/files/1/0433/2827/4585/files/91538395151.pdf
- https://cdn.shopify.com/s/files/1/0434/5161/3336/files/zamuwuzez.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/51686393220.pdf
- https://cdn.shopify.com/s/files/1/0429/1392/3228/files/nagipiseno.pdf
- https://cdn.shopify.com/s/files/1/0437/4354/3450/files/gokaxorexejolixuvedumiv.pdf
- https://cdn.shopify.com/s/files/1/0428/8220/3801/files/piwubixisagukika.pdf
- https://cdn.shopify.com/s/files/1/0438/4748/3552/files/oxford_bookworms_stage_2.pdf
- https://cdn.shopify.com/s/files/1/0432/4252/0739/files/sogasowuzovenububam.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007205.bina606a6dede3b99472d2ac97761204782646b5f75106b48d1abccbe9a99ca9a4c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7205 | 6440 bytes |
font_01_sfnt_off000081f9.binfe9b0c9f3520ba772d7f8d399954c26543183324619267033d762c8c6d27fa96 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x81F9 | 5156 bytes |
font_02_sfnt_off0000936c.bin580e1d1406e73937549a1478aad4f7c95f4d496bbf8f5090ef874bb538904224 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x936C | 10420 bytes |
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