MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a malicious redirector link pointing to 'ttraff.ru', which is flagged as malicious. Additionally, it exhibits characteristics of a PDF link farm, with numerous links to external PDFs, many hosted on Shopify. The document body, though heavily obfuscated, contains the same redirector URL and a reference to 'wkhtmltopdf', suggesting it was generated by a tool for creating PDF documents, likely for malicious distribution. The ML classifier strongly indicates maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
-
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.
-
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.
-
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=estat%25C3%25ADstica+aplicada+an%25C3%25A1lise+explorat%25C3%25B3ria+de+dados+pdf
- http://files.ecinspired.com/uploads/1/3/2/6/132681660/61552d591.pdf
- http://lewodena.fifelake.org/uploads/1/3/1/6/131606027/733771aa8e0f613.pdf
- http://files.gravelroadhome.com/uploads/1/3/1/0/131070246/worep.pdf
- http://files.lauralorenz.com/uploads/1/3/1/3/131397987/wukug.pdf
- http://kodeli.stdympnas.com/uploads/1/3/1/6/131637257/majarunirar.pdf
- https://cdn.shopify.com/s/files/1/0430/7327/4018/files/1160348999.pdf
- https://cdn.shopify.com/s/files/1/0440/4543/5030/files/python_sqrt_function.pdf
- https://cdn.shopify.com/s/files/1/0433/0255/1716/files/94791341162.pdf
- https://cdn.shopify.com/s/files/1/0434/1488/0405/files/rifuwiruvowubafagixegox.pdf
- https://cdn.shopify.com/s/files/1/0430/0842/6143/files/dokuxovidezasusemo.pdf
- https://cdn.shopify.com/s/files/1/0430/5915/1009/files/73814380411.pdf
- https://cdn.shopify.com/s/files/1/0436/0211/6772/files/38605181676.pdf
- https://cdn.shopify.com/s/files/1/0428/6133/0591/files/76305667030.pdf
- https://cdn.shopify.com/s/files/1/0428/7148/8668/files/37795951266.pdf
- https://cdn.shopify.com/s/files/1/0428/3393/6547/files/dewomatarolokakutafago.pdf
- https://cdn.shopify.com/s/files/1/0433/5271/9515/files/vastu_shastra.pdf
- https://cdn.shopify.com/s/files/1/0433/0576/2974/files/mikudubonorobujona.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_off0000870b.bin2a3b291841208e672035323979b53fe8118a01c6bd2d07e0af01a6ec01cb9353 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x870B | 5600 bytes |
font_01_sfnt_off0000994f.binf36c87f75c90a5e5a5e716380d10a13da88695003284a0a1388e0325ceb8bb3e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x994F | 16768 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.