MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm designed to redirect users to malicious infrastructure, specifically identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The primary malicious URL is https://ttraff.ru/pify?keyword=introduccion+a+las+energias+renovables+pdf. The document body, though heavily obfuscated, also contains this URL and numerous other links, suggesting a social engineering tactic to drive traffic to potentially harmful sites. The ML classifier strongly supports the malicious nature of this PDF.
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=introduccion+a+las+energias+renovables+pdf
- http://files.benztransport.com/uploads/1/3/0/7/130775260/batobunan-mafikok-gomaz.pdf
- http://lejut.laraefx.com/uploads/1/3/2/8/132814930/2b4cc0f414859.pdf
- http://nebupuwij.tskjesusfreak.com/uploads/1/3/1/3/131383483/a88c31.pdf
- http://files.theothertoledo.com/uploads/1/3/1/3/131380995/kurusotuneje.pdf
- http://files.modernhistoryseminars.com/uploads/1/3/0/7/130740624/68f69b674b9.pdf
- https://cdn.shopify.com/s/files/1/0433/3964/5093/files/ditelurutogajizasafapasa.pdf
- https://cdn.shopify.com/s/files/1/0433/8640/5029/files/gikavez.pdf
- https://cdn.shopify.com/s/files/1/0437/6988/8917/files/20767933064.pdf
- https://cdn.shopify.com/s/files/1/0433/9286/0327/files/wudoveni.pdf
- https://cdn.shopify.com/s/files/1/0437/0196/0854/files/gepudibiralezaxijafedede.pdf
- https://cdn.shopify.com/s/files/1/0431/1040/0153/files/numerologia_cabalistica_a_ultima_fronteira_gratis.pdf
- https://cdn.shopify.com/s/files/1/0430/6249/3345/files/arbitration_and_conciliation_bare_act_1996.pdf
- https://cdn.shopify.com/s/files/1/0433/5920/7579/files/wopepesunemepi.pdf
- https://cdn.shopify.com/s/files/1/0429/3178/1791/files/citizenship_definition.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_off00005f8f.bin2ad6e1ea91442d123efd719cb66f1608e35d435fd60135a04d6f7ce5167f9184 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F8F | 5460 bytes |
font_01_sfnt_off0000722d.bin2355ec571a3ff15c06ed97174840c503627f6e1953e7efaae5e3ac4e4ad64dd9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x722D | 10816 bytes |
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