MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple critical heuristics, including PDF_MALICIOUS_REDIRECTOR_LINK and PDF_SEO_LINK_FARM, indicating it is part of a link farm. The primary malicious URL identified is https://ttraff.cc/wix?keyword=planeacion+nuevo+modelo+educativo+tercer+grado, which likely serves as a redirector to a phishing or malware distribution site. The document body, though heavily obfuscated, contains this URL and other PDF links, reinforcing the link farm attack pattern.
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=planeacion+nuevo+modelo+educativo+tercer+grado
- https://static.usrfiles.com/ugd/b8c837_a846efa9854d47ff9a344078faf818f2.pdf
- https://static.usrfiles.com/ugd/b8c837_7ac03c2346a04cdea2a4c90124fc6950.pdf
- https://static.usrfiles.com/ugd/b8c837_222deceaae0748d1927b6cf8a0228f86.pdf
- https://static.usrfiles.com/ugd/b8c837_40fac45572904770b6423b61e4f8c578.pdf
- https://static.usrfiles.com/ugd/b8c837_151d0201c8e44307b452a5ebf81ff981.pdf
- https://cdn.shopify.com/s/files/1/0433/6533/5208/files/aruvam_movie_tamilplay.pdf
- https://cdn.shopify.com/s/files/1/0427/4742/9031/files/zonagareloxigugekinari.pdf
- https://cdn.shopify.com/s/files/1/0428/0962/2691/files/murulu.pdf
- https://cdn.shopify.com/s/files/1/0471/0521/2566/files/27476200852.pdf
- https://cdn.shopify.com/s/files/1/0446/0376/8996/files/occupational_health_and_safety_course_outline.pdf
- https://cdn.shopify.com/s/files/1/0435/5588/1121/files/97958988095.pdf
- https://cdn.shopify.com/s/files/1/0432/9183/6566/files/12241346480.pdf
- https://cdn.shopify.com/s/files/1/0437/8984/4631/files/65589469922.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_off00004e0e.bin3304085e4a15a5c5affec29c8e304f46f1b2084a45720dc88a70449748854550 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4E0E | 5144 bytes |
font_01_sfnt_off00005f73.bin8fc7942b6ee5356eb40a6e216d54cf3f7f80c42323e052606f7f7c1f2b2341c8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F73 | 10804 bytes |
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