MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm and a specific malicious redirector URL, indicating a phishing or scam attempt. The document body, though garbled, suggests a lure related to 'Plataforma Lattes curriculum update'. The presence of numerous embedded URLs, many pointing to Shopify and other file-hosting services, suggests an attempt to distribute malicious content or redirect users to phishing sites. The ML classifier strongly flagged this PDF as malicious.
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/pify?keyword=plataforma+lattes+atualiza%25C3%25A7%25C3%25A3o+de+curr%25C3%25ADculo
- http://fawojilap.donnellpa.com/uploads/1/3/2/7/132712413/kajepoluresupag.pdf
- http://files.methodistchurchguyana.org/uploads/1/3/1/6/131606533/1526309.pdf
- http://dolugibu.jassiewassy.com/uploads/1/3/0/7/130738546/kotomeva_lafagitiniriz_jumusegijena.pdf
- http://files.257bennettstreet.com/uploads/1/3/1/4/131483830/ziluxuwobi.pdf
- https://cdn.shopify.com/s/files/1/0428/8764/3302/files/9960116693.pdf
- https://cdn.shopify.com/s/files/1/0437/5996/0218/files/89008164548.pdf
- https://cdn.shopify.com/s/files/1/0433/0127/3758/files/nitiw.pdf
- https://cdn.shopify.com/s/files/1/0435/0817/0918/files/sufetazaj.pdf
- https://cdn.shopify.com/s/files/1/0430/7877/9047/files/44871121818.pdf
- https://cdn.shopify.com/s/files/1/0434/6950/4662/files/pokemon_green_version.pdf
- https://cdn.shopify.com/s/files/1/0437/7182/2229/files/88534985535.pdf
- https://cdn.shopify.com/s/files/1/0430/5371/1513/files/82988932582.pdf
- https://cdn.shopify.com/s/files/1/0435/2779/8943/files/83074442739.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/medade.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_off0000796b.bin156656b6009a8f72e1b0eba38e03843d1182c24fa28539fb603f792cefcba8c6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x796B | 5772 bytes |
font_01_sfnt_off00008c1b.bin41a056f79b0dbe975314acfc1c6ee5d3a1cad05a846890d887d8c1783bb02948 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C1B | 12692 bytes |
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