MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious due to a high ML classifier score and the presence of a link farm containing numerous external URLs. One critical heuristic flagged a link to known malicious redirector infrastructure, specifically 'ttraff.cc'. The document body, though heavily obfuscated, contains this malicious URL, suggesting an attempt to lure users to a compromised 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.cc/wix?keyword=querido+diario+otario+cole%25C3%25A7%25C3%25A3o+comple
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/7625/5897/files/59559981858.pdf
- https://cdn.shopify.com/s/files/1/0428/3593/5388/files/16698953611.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/fesulemenakasisot.pdf
- https://static.usrfiles.com/ugd/40512e_4f3504d5a7a448ddb517feb9a2a468f6.pdf
- https://static.usrfiles.com/ugd/b8c837_f6f01d067cf54a63b6bc79927bb47493.pdf
- https://cdn.shopify.com/s/files/1/0428/6559/0438/files/45635037328.pdf
- https://cdn.shopify.com/s/files/1/0437/6798/8376/files/review_of_surgery_for_absite_and_boards_free_download.pdf
- https://cdn.shopify.com/s/files/1/0427/8799/5807/files/jikojijolurupijekerefe.pdf
- https://cdn.shopify.com/s/files/1/0428/9868/6119/files/terraria_game_launcher.pdf
- https://static.usrfiles.com/ugd/e2b09b_a5157047664549359b5ced29c46ca6c4.pdf
- https://static.usrfiles.com/ugd/9e53d4_808f1324a2584402a4051bf93423fc79.pdf
- https://static.usrfiles.com/ugd/9c43ec_c4ec2b68912941958a558e831c1cd4e1.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007c66.bin1678542fcfcc420159175c473a68dee5a3d2d46f7ea5c39f0853482b80d90974 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C66 | 5600 bytes |
font_01_sfnt_off00008e7e.bin16b544764f9dc610cba72a49e80e0949bbef0eaad23d36580898a493af4d2bda |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E7E | 13156 bytes |
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