MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/wix?keyword=bardin%252C+l.+an%25C3%25A1lise+de+conte%25C3%25BAdo.+lisboa%252C+portugal%253B+edi%25C3%25A7%25C3%25B5es+70%252C+lda%252C+2009.'. This indicates the document is designed to lure users to a potentially harmful external site. The presence of a large number of other external PDF links also suggests a link farm or SEO poisoning attempt. No scripts were extracted from this sample.
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=bardin%252C+l.+an%25C3%25A1lise+de+conte%25C3%25BAdo.+lisboa%252C+portugal%253B+edi%25C3%25A7%25C3%25B5es+70%252C+lda%252C+2009
- https://static.usrfiles.com/ugd/58a813_7fb4ac0747a44cb68736976aae0be8fd.pdf
- https://static.usrfiles.com/ugd/b8c837_f28915aefff245bcae49073376a60597.pdf
- https://static.usrfiles.com/ugd/b8c837_8248881cd20f4675976cd3134e834118.pdf
- https://static.usrfiles.com/ugd/d902bb_8dba73b21523467caea98772516f80f1.pdf
- https://cdn.shopify.com/s/files/1/0450/6884/5208/files/sowumavupopaxabalul.pdf
- https://cdn.shopify.com/s/files/1/0431/6083/0111/files/3543193311.pdf
- https://cdn.shopify.com/s/files/1/0440/9081/8712/files/rinatasep.pdf
- https://cdn.shopify.com/s/files/1/0438/3077/1869/files/logical_framework_analysis_lengkap.pdf
- https://cdn.shopify.com/s/files/1/0431/9041/9620/files/muazzez_ilmiye__epub.pdf
- https://cdn.shopify.com/s/files/1/0434/1484/7655/files/84672093104.pdf
- https://cdn.shopify.com/s/files/1/0436/1525/6738/files/git_undo_last_commit_keep_changes.pdf
- https://cdn.shopify.com/s/files/1/0432/6971/8182/files/86343614667.pdf
- https://cdn.shopify.com/s/files/1/0431/5830/6965/files/rudelevokefasopime.pdf
- https://cdn.shopify.com/s/files/1/0437/3708/8154/files/char_broil_electric_smoker_manual.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_off000047e6.bin5a7ae48d490eb9ad1e27d9cbc7b045edb62f2e0f936503868ee3f1d7e6dbdef2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x47E6 | 6848 bytes |
font_01_sfnt_off00005ded.bincbbcafef3fa1f5bcab5d8208eb34daf90d46341a3edec745788f2d86701a117d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DED | 12612 bytes |
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