MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a significant number of embedded links, with the primary URL pointing to a known malicious redirector. The document body text, though partially corrupted, suggests a lure related to 'Formato de cotizaciones constructoras'. The heuristic firings confirm the presence of malicious redirector links and a link farm, indicating the document's purpose is to lead users to malicious sites. No scripts were extracted from this sample.
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/wix?keyword=formato+de+cotizaciones+constructoras
- https://cdn.shopify.com/s/files/1/0432/4635/4594/files/60023250977.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/1/0438/4587/7922/files/riwubimidojupixavubimora.pdf
- https://static.usrfiles.com/ugd/a1fb72_f2af28a385294c3699a53503a0b36d65.pdf
- https://static.usrfiles.com/ugd/8e1900_71495b90175944beab292a1feafe5fa1.pdf
- https://static.usrfiles.com/ugd/b8c837_1c71977e095d4ed9aab7d0d9e2832042.pdf
- https://static.usrfiles.com/ugd/b8c837_cc7f93e8b811467cb0ed3ad494484435.pdf
- https://static.usrfiles.com/ugd/b8c837_311f7dd521204dd58dfe8bf5f63acd8d.pdf
- https://static.usrfiles.com/ugd/9b33c5_0b0e86d9dce843059fd82e499f8ddfb6.pdf
- https://static.usrfiles.com/ugd/b8c837_5c5d0e8ef8cc449fb11bb7d577dc25a8.pdf
- https://static.usrfiles.com/ugd/2c8d66_e3b806e5eeee4f3cae1f7bce1d6549e2.pdf
- https://static.usrfiles.com/ugd/b8c837_e7493162631d4435b092bae9165f26ed.pdf
- https://static.usrfiles.com/ugd/b8c837_931200a67fff4940b176ef1a7a5e02f0.pdf
- https://static.usrfiles.com/ugd/1b8612_b4009943aae640e1abc79c276a77acb1.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_off00006584.binc0176bc0bdff65087a07f20fdce850ad0754c31746f7e7b5e5b8d58571a635fc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6584 | 5056 bytes |
font_01_sfnt_off0000769e.bind32e72bdcd128f51754b4e8ee1e9982cfc894193a42da2a1361b572273cddb11 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x769E | 11656 bytes |
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