MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many pointing to Shopify domains hosting other PDFs, which is indicative of a link farm designed for SEO manipulation. One critical heuristic identified a link to a known malicious redirector infrastructure at https://ttraff.cc/wix?keyword=quien+es+quien+capitulo+85. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains the URL https://ttraff.cc/wix?keyword=quien+es+quien+capitulo+85, suggesting it is the primary lure.
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.cc/wix?keyword=quien+es+quien+capitulo+85
- https://cdn.shopify.com/s/files/1/0440/0673/6037/files/carboxihemoglobina_definicion.pdf
- https://cdn.shopify.com/s/files/1/0432/0965/4440/files/checking_out_me_history_analysis.pdf
- https://cdn.shopify.com/s/files/1/0462/3794/1909/files/66220826031.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dijovosulodomozov.pdf
- https://cdn.shopify.com/s/files/1/0437/7808/0925/files/zosofopomapezifa.pdf
- https://static.usrfiles.com/ugd/b8c837_0afa4b2a84a64e9baa824f45f18a3dfa.pdf
- https://static.usrfiles.com/ugd/9219f8_4f276260bea94bb4a2a0059b905f77f5.pdf
- https://static.usrfiles.com/ugd/33a2e4_3b09c0dc9d064520acf57fcee67192a7.pdf
- https://cdn.shopify.com/s/files/1/0435/9038/5823/files/rezikusewinowokupag.pdf
- https://cdn.shopify.com/s/files/1/0440/6312/9765/files/11128171478.pdf
- https://cdn.shopify.com/s/files/1/0438/1242/1789/files/75616505048.pdf
- https://static.usrfiles.com/ugd/b8c837_341c009ad4dc49fa968a60bcb5cf96e1.pdf
- https://static.usrfiles.com/ugd/3f0e57_114ab32762d14afbb08126852205d101.pdf
- https://static.usrfiles.com/ugd/8e1900_9dc94508995d451fb1a92a40450588f3.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_off000048d3.binf12e0d12a5ee2b52754cbb6382c19b6dab93a91efb68193e7149714d4eb10745 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x48D3 | 5336 bytes |
font_01_sfnt_off00005b16.bind5191bf3031f47a4bd3f56b987d3e4b0f1cdd5d2316bf625235a8036110efb89 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B16 | 16284 bytes |
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