MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded links, with a critical heuristic firing for a PDF link farm. One of the embedded URLs, 'https://ttraff.com/wb?keyword=ventilador%20de%20techo%20westinghouse%20manual', is identified as a malicious redirector. The ML classifier also strongly flagged this PDF as malicious. The document body appears to be corrupted or obfuscated, but the presence of the malicious URL and the link farm heuristic strongly suggest a malicious intent, likely to lure users to 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.com/wb?keyword=ventilador%20de%20techo%20westinghouse%20manual
- http://files.communityproblemsolvingday.com/uploads/1/3/2/8/132814071/nokigusoto.pdf
- http://files.voiceofgodrevivalsministrie.org/uploads/1/3/1/0/131069887/jimetugejenodo.pdf
- http://jolovebi.ailienvuong.com/uploads/1/3/1/0/131070718/56791.pdf
- https://cdn.shopify.com/s/files/1/0433/9639/9265/files/54948811197.pdf
- https://cdn.shopify.com/s/files/1/0435/3340/2266/files/xususatimefidimefaf.pdf
- https://cdn.shopify.com/s/files/1/0435/5719/1843/files/vobofomesonikamufakug.pdf
- https://cdn.shopify.com/s/files/1/0433/4472/4133/files/15641493768.pdf
- https://cdn.shopify.com/s/files/1/0431/6404/1373/files/master_organic_chemistry.pdf
- https://cdn.shopify.com/s/files/1/0437/8984/4637/files/29553952170.pdf
- https://cdn.shopify.com/s/files/1/0429/0812/3303/files/5140564045.pdf
- https://cdn.shopify.com/s/files/1/0427/6705/7063/files/84968513394.pdf
- https://cdn.shopify.com/s/files/1/0449/7912/6431/files/a_room_of_one_s_own_free.pdf
- https://cdn.shopify.com/s/files/1/0431/8406/2622/files/37523006295.pdf
- https://cdn.shopify.com/s/files/1/0429/7133/2767/files/89659803755.pdf
- https://cdn.shopify.com/s/files/1/0430/8611/9079/files/21783005177.pdf
- https://cdn.shopify.com/s/files/1/0434/4853/3142/files/nexiwiruvununiwotoselu.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_off0000d6c8.bind8fe9736996fa06a21335c1b2b4775b0d8bdde7c032ea11ae2b3120faad9675a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6C8 | 5412 bytes |
font_01_sfnt_off0000e918.bin69d1c4e8dfbff6dabdf67ffc9b03add6d1fd6c028615c0093adc4aad7767e32a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE918 | 10176 bytes |
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