MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.com, which is designed to lead users to malicious content. The document body, though heavily corrupted, appears to contain educational material, likely as a lure. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to increase visibility and click-through rates to the malicious redirector. No scripts were extracted, but the primary malicious action is the redirection via the embedded URL.
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.com/wix?keyword=lectura+comprensiva+con+preguntas+para+ni%25C3%25B1os+de+quinto+grado
- https://cdn.shopify.com/s/files/1/0428/0310/1863/files/definition_of_test_measurement_assessment_and_evaluation.pdf
- https://cdn.shopify.com/s/files/1/0437/6284/3797/files/fort_lauderdale_beach_weather_report.pdf
- https://cdn.shopify.com/s/files/1/0427/8861/8396/files/31147928851.pdf
- https://static.usrfiles.com/ugd/a64c8c_b46e138921ad4710a7d649d2146ad1cf.pdf
- https://static.usrfiles.com/ugd/d01287_2a7e6bc734ac47e2b1dc163bfc51b50c.pdf
- https://cdn.shopify.com/s/files/1/0437/4344/5141/files/barcode_generator_software_for_pc.pdf
- https://cdn.shopify.com/s/files/1/0429/0756/6239/files/dimamu.pdf
- https://cdn.shopify.com/s/files/1/0428/2204/1767/files/suxuvatidusasizexexuvi.pdf
- https://static.usrfiles.com/ugd/b8c837_3f66f03741b147d385a27749e24f2d19.pdf
- https://static.usrfiles.com/ugd/ec0c41_504200b2d96a4ef1810d8e4cf658cbd8.pdf
- https://static.usrfiles.com/ugd/191a6d_c89dd1c2d3984db0ae1bc239d870d33a.pdf
- https://static.usrfiles.com/ugd/87d215_12789a4e679c44ffab3dcb89435974d9.pdf
- https://static.usrfiles.com/ugd/54fa57_ac295a4adba54d5eb96e92e36205aec7.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_off0000684d.binc4504943afd8a47119b4aa57ff0081ef41074f9be0c8440b2bfe4c3fe7ba8cf4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x684D | 5700 bytes |
font_01_sfnt_off00007b50.bin004e429525d975387ddafd31e78a3aaf440ec99cc8b579909eed3dcecb4f68c8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B50 | 15740 bytes |
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