MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a link that redirects to a malicious advertising network, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains the URL which is also listed as an IOC. The PDF_SEO_LINK_FARM heuristic suggests the document is part of a larger link farm operation, likely for SEO manipulation or to distribute malicious content.
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.com/wb?keyword=silabario%20hispanoamericano%20pdf%20gratis
- http://files.northhaledontreeexperts.com/uploads/1/3/1/3/131380875/3091327.pdf
- http://files.northshorehomes-seaside.com/uploads/1/3/0/7/130740190/limanuzugiv-kefigi.pdf
- http://files.genesiseventsinc.com/uploads/1/3/0/9/130969469/8579880.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/7757/4551/files/jikozogal.pdf
- https://cdn.shopify.com/s/files/1/0431/6990/6854/files/ponuzedokumawukekar.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/58014629257.pdf
- https://cdn.shopify.com/s/files/1/0432/7827/0619/files/fomazipogu.pdf
- https://cdn.shopify.com/s/files/1/0431/0827/0244/files/e5_ae_8b_e8_8c_9c.pdf
- https://cdn.shopify.com/s/files/1/0429/1251/4201/files/vuxudovu.pdf
- https://cdn.shopify.com/s/files/1/0431/2019/7789/files/mawor.pdf
- https://cdn.shopify.com/s/files/1/0433/9594/0519/files/77350475767.pdf
- https://cdn.shopify.com/s/files/1/0433/3446/7752/files/nexaxop.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/damegadunuje.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zexula.pdf
- https://cdn.shopify.com/s/files/1/0428/2250/0518/files/mafikawalupoz.pdf
- https://cdn.shopify.com/s/files/1/0439/0024/0024/files/4887720065.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_off0000e61a.bind9c1c171641028ff717b66a609141a7fb90241018bd1179d4a6ca1f070d61bd0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE61A | 5812 bytes |
font_01_sfnt_off0000f9b5.binfc74b4d2ed56a7e21ffe2d892ffcf416b61d8739ac391d325e9d8e0f2ea8b85c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9B5 | 14300 bytes |
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