MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file was flagged by multiple critical heuristics for containing malicious redirector links and a large link farm. The primary malicious URL identified is https://ttraff.ru/pify?keyword=complicaciones+de+absceso+pulmonar+pdf, which is likely used to redirect users to a malicious site. The document body contains a mix of text and what appears to be obfuscated data, along with numerous embedded URLs pointing to various domains, many of which are hosted on Shopify. The presence of a large number of external links suggests a strategy to distribute malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
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=complicaciones+de+absceso+pulmonar+pdf
- http://files.matthewgutschick.com/uploads/1/3/1/3/131398244/zaxipi-jeboponenupix-tivuka-tixoberib.pdf
- http://files.paigebluejacket.com/uploads/1/3/0/7/130775275/letugekanerefan-pajawepukaki.pdf
- http://files.smgengr.com/uploads/1/3/2/6/132695730/vikamu_gevipetewamutol.pdf
- http://files.renew-wellness-sg.com/uploads/1/3/0/8/130874587/gotoguzudenavebebat.pdf
- http://files.fredpahlke.com/uploads/1/3/1/1/131163976/2646ee909808.pdf
- https://cdn.shopify.com/s/files/1/0430/2739/8807/files/tisaniz.pdf
- https://cdn.shopify.com/s/files/1/0432/4163/5997/files/votexofiku.pdf
- https://cdn.shopify.com/s/files/1/0433/1801/8216/files/kubejidofusoba.pdf
- https://cdn.shopify.com/s/files/1/0430/3932/6365/files/nikuwimif.pdf
- https://cdn.shopify.com/s/files/1/0427/8580/0358/files/90604898703.pdf
- https://cdn.shopify.com/s/files/1/0433/4272/5285/files/gosijipoxonopejitajixokad.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/38030937597.pdf
- https://cdn.shopify.com/s/files/1/0431/2665/3090/files/91816721767.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xakikalimakimoxe.pdf
- https://cdn.shopify.com/s/files/1/0432/2702/1480/files/97574399058.pdf
- https://cdn.shopify.com/s/files/1/0427/6705/7063/files/fovunufutaberojajub.pdf
- https://cdn.shopify.com/s/files/1/0431/5247/4267/files/3268730397.pdf
- https://cdn.shopify.com/s/files/1/0435/9671/0047/files/64768170216.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/5552762143.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_off000065a8.binb09a900dcc01fb1480272edbc0782e6b40f4bd6db0f2211c9867d7276d1422ee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65A8 | 5344 bytes |
font_01_sfnt_off000077b0.bin0e61909a5bfa0aec17be4f0ccc7a0d1e00b97557483ea501c8ad07a0c536d304 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77B0 | 11008 bytes |
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