MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The primary malicious URL is https://ttraff.cc/pify?keyword=calendario+rusia+2020+pdf+para+imprimir. This suggests the document is designed to redirect users to malicious content, likely for phishing or malware distribution. The ML classifier also 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=calendario+rusia+2020+pdf+para+imprimir
- http://paziwen.hermosawebdesign.com/uploads/1/3/0/7/130776078/gopibinoberariba.pdf
- http://files.robbenoptics.com/uploads/1/3/1/3/131380345/982b595.pdf
- http://files.braveministry.com/uploads/1/3/0/7/130775387/kotajaxuxonoz_bulusu_befororu.pdf
- https://cdn.shopify.com/s/files/1/0433/1978/7688/files/16287468389.pdf
- https://cdn.shopify.com/s/files/1/0430/2657/9610/files/gobazonu.pdf
- https://cdn.shopify.com/s/files/1/0430/7868/0727/files/94140919223.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mobisibat.pdf
- https://cdn.shopify.com/s/files/1/0433/2588/2518/files/27102319893.pdf
- https://cdn.shopify.com/s/files/1/0428/8295/7478/files/inflammatory_bowel_disease_management.pdf
- https://cdn.shopify.com/s/files/1/0439/1400/2587/files/brainpop_login.pdf
- https://cdn.shopify.com/s/files/1/0431/4431/5029/files/3626983990.pdf
- https://cdn.shopify.com/s/files/1/0435/0545/1174/files/ravojuzemagododules.pdf
- https://cdn.shopify.com/s/files/1/0431/8032/7070/files/8017525915.pdf
- https://cdn.shopify.com/s/files/1/0433/5278/5055/files/1018184324.pdf
- https://cdn.shopify.com/s/files/1/0431/7279/0427/files/regoravo.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_off00005d3f.bin53bc242b99d5c64b90c08d2ec1a7effedf34d44eb03ff9ef067d984b6d16688c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D3F | 5364 bytes |
font_01_sfnt_off00006f60.bin0c6d601bc02f60a43f06b22d38a33d5fc7b520be3217a255251845117f1c12dd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F60 | 10648 bytes |
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