MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by multiple critical heuristics for containing a malicious redirector and a large link farm. The embedded URLs, particularly the one pointing to 'ttraff.ru', are highly suspicious and likely serve as a lure for further malicious activity. The ML classifier also strongly indicated maliciousness.
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.ru/pify?keyword=fundamentos+de+administra%25C3%25A7%25C3%25A3o+p%25C3%25BAblica+brasileira+torres+pdf
- http://files.tolgardgames.com/uploads/1/3/1/4/131407357/mawutatamo.pdf
- http://jovawi.chrisjoneswriting.com/uploads/1/3/1/3/131380058/zapiwuzesoti.pdf
- http://files.bekinsmovingcompany.com/uploads/1/3/1/3/131381544/puximoselepuludisu.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/4023/4917/files/soni_vegas_pro_9.pdf
- https://cdn.shopify.com/s/files/1/0432/6467/1909/files/jixolezoxeditafowix.pdf
- https://cdn.shopify.com/s/files/1/0428/5274/5375/files/repobokedegunifelo.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/9009713252.pdf
- https://cdn.shopify.com/s/files/1/0431/9834/9471/files/48349823649.pdf
- https://cdn.shopify.com/s/files/1/0430/3536/1442/files/dazadomiro.pdf
- https://cdn.shopify.com/s/files/1/0434/9932/3558/files/xatusokulo.pdf
- https://cdn.shopify.com/s/files/1/0435/4254/4533/files/kalivivosunevumufajutizov.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/puneson.pdf
- https://cdn.shopify.com/s/files/1/0438/2910/0704/files/47606956665.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_off00005990.binacda17147000cc577b9b0546c69b660b96c89f7744c5b947c65e66b77676681e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5990 | 6012 bytes |
font_01_sfnt_off00006cda.bin2ef88a950248ef993c9a753a05048441c6777ba8407b86fc7e39fa9e1389eaf8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CDA | 13972 bytes |
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