MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by a machine learning classifier and contains numerous external links. One critical heuristic identified a link to known malicious redirector infrastructure (https://ttraff.cc/pify?keyword=atletismo+saltos+pdf), and another identified a large external PDF link farm. These findings suggest the document's primary purpose is to lure users into clicking malicious links, likely leading to phishing pages or malware downloads.
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=atletismo+saltos+pdf
- http://galidiba.smokymountaincathouse.com/uploads/1/3/1/3/131381078/jimomapuledufo.pdf
- http://files.norwichmonument.com/uploads/1/3/1/3/131398278/2074002.pdf
- http://files.skydivetofino.ca/uploads/1/3/1/1/131163867/veziretej.pdf
- https://cdn.shopify.com/s/files/1/0430/3667/2162/files/92893005048.pdf
- https://cdn.shopify.com/s/files/1/0434/7274/8710/files/bepelupev.pdf
- https://cdn.shopify.com/s/files/1/0434/1081/7180/files/ashrae_handbook_of_fundamentals_download.pdf
- https://cdn.shopify.com/s/files/1/0432/5031/9528/files/wovosefudovukavike.pdf
- https://cdn.shopify.com/s/files/1/0427/8219/5879/files/24736283613.pdf
- https://cdn.shopify.com/s/files/1/0433/6576/1176/files/questes_princpios_da_administrao_pblica.pdf
- https://cdn.shopify.com/s/files/1/0428/9216/5279/files/96712859010.pdf
- https://cdn.shopify.com/s/files/1/0428/3128/2335/files/pdf_to_word_converter_offline_download_free.pdf
- https://cdn.shopify.com/s/files/1/0430/6799/8362/files/dapejewebit.pdf
- https://cdn.shopify.com/s/files/1/0431/5702/9019/files/26986697258.pdf
- https://cdn.shopify.com/s/files/1/0432/9114/8444/files/mizobawave.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_off0001a431.bin89a51c3f1505e2efb779b289e07405115f0d3dfd7c8d2259e5b49c41197019f8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A431 | 5080 bytes |
font_01_sfnt_off0001b56a.bin78d07d7a5908f9af7306fbf79096eaababf076dd70440c4ba6cb7d50f57b716b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B56A | 12384 bytes |
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