MALICIOUS
120
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The primary malicious URL identified is https://ttraff.ru/pify?keyword=chinese+characters+textbook+pdf. While the document body is heavily obfuscated, the presence of multiple links, including one pointing to a malicious redirector, suggests a phishing or redirection attempt. The file was generated by wkhtmltopdf, which can be used to create malicious PDFs.
Heuristics 3
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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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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=chinese+characters+textbook+pdf
- http://files.louanncarroll.com/uploads/1/3/0/7/130739239/piguro_zidejewotu.pdf
- http://files.mymorethan.com/uploads/1/3/1/8/131856290/9673534.pdf
- http://files.concreteheritagemuseum.org/uploads/1/3/0/7/130739974/junener.pdf
- http://files.legendgolfcompany.com/uploads/1/3/1/0/131070030/notununifegu.pdf
- https://cdn.shopify.com/s/files/1/0429/7146/3831/files/99422877858.pdf
- https://cdn.shopify.com/s/files/1/0435/6128/7839/files/ronoropijeraxezuves.pdf
- https://cdn.shopify.com/s/files/1/0435/1367/5928/files/bujopekuna.pdf
- https://cdn.shopify.com/s/files/1/0429/0831/9903/files/atropina_sialorreia.pdf
- https://cdn.shopify.com/s/files/1/0428/8184/3353/files/98719300517.pdf
- https://cdn.shopify.com/s/files/1/0438/9827/3944/files/podazutijuz.pdf
- https://cdn.shopify.com/s/files/1/0432/2849/6036/files/74027718900.pdf
- https://cdn.shopify.com/s/files/1/0432/4871/3896/files/21159819952.pdf
- https://cdn.shopify.com/s/files/1/0436/3947/2288/files/50113757572.pdf
- https://cdn.shopify.com/s/files/1/0434/6806/2872/files/rogurorolipojok.pdf
- https://cdn.shopify.com/s/files/1/0428/6208/4262/files/bavinanotedezokevafukamu.pdf
- https://cdn.shopify.com/s/files/1/0434/7317/4680/files/97312676164.pdf
- https://cdn.shopify.com/s/files/1/0438/3404/8669/files/35004694091.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_off000067be.bin7059c82c8215163b922f470331cd4623d026b3682c2d8590ee061234cac6ae1e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67BE | 4628 bytes |
font_01_sfnt_off000077e2.bindeaf1ac40fdd977c466367017d247fbacc67ae83d443de752c293e39c053f2cc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77E2 | 5388 bytes |
font_02_sfnt_off00008a2a.bina93d2e1c9b701c24dc8ef5538db8d505a3ab56f7b06f90b892155e705a49dd56 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A2A | 10024 bytes |
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