MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1566.002 Spearphishing Attachment
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, another critical heuristic indicates the PDF is part of a link farm, suggesting a broad distribution effort. The ML classifier strongly flagged this PDF as malicious. The embedded URL is the primary indicator of malicious intent, likely leading to a phishing or malware download site.
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=situacion+didactica+de+navidad+para+ni%25C3%25B1os+de+preescolar
- https://static.usrfiles.com/ugd/b8c837_b17ce93c91c3442898b4e0ee7fd53639.pdf
- https://static.usrfiles.com/ugd/b8c837_58fdfc4a8f1b44278fbdad7c90667232.pdf
- https://static.usrfiles.com/ugd/3e87bf_1d0d859c5b8d459da2ad2abcd72712ba.pdf
- https://cdn.shopify.com/s/files/1/0429/8607/8369/files/84297975959.pdf
- https://cdn.shopify.com/s/files/1/0433/5638/9528/files/54368669934.pdf
- https://cdn.shopify.com/s/files/1/0430/6327/9767/files/xixadufog.pdf
- https://cdn.shopify.com/s/files/1/0438/0773/5969/files/gradle_test_report_empty.pdf
- https://cdn.shopify.com/s/files/1/0433/2758/6457/files/52935810267.pdf
- https://cdn.shopify.com/s/files/1/0431/6594/1917/files/47906739882.pdf
- https://cdn.shopify.com/s/files/1/0436/9983/0952/files/21447725408.pdf
- https://cdn.shopify.com/s/files/1/0431/1931/3053/files/iec_standard_60529.pdf
- https://static.usrfiles.com/ugd/fb83f1_cb31cc4922b54f5ab5db45d7b5428bc2.pdf
- https://static.usrfiles.com/ugd/10b11f_c882dbd6446d4ceea4ff60771c122cfa.pdf
- https://static.usrfiles.com/ugd/b8c837_b1b6dd5e34a34c318935621fec93e880.pdf
- https://static.usrfiles.com/ugd/b8c837_684aa52f1b41443ca46dc2677abb7ac2.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_off000079de.bin2543de3d8f4a8858b36d3e3f608e630808196559f792910b3ddea522d0e7421e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79DE | 5440 bytes |
font_01_sfnt_off00008c21.bin7d015424a767efe3c8a3ed345f881d27c8f2bd25416f76322971c908bcabfa56 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C21 | 11456 bytes |
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