MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with one identified as a malicious redirector. The ML classifier strongly flagged this PDF as malicious, and the presence of a link farm suggests an attempt to manipulate search engine results or distribute malicious content. The document body, though heavily obfuscated, contains the malicious URL, indicating a likely phishing or content-luring attempt.
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/pify?keyword=bernardo+barranco+libros+pdf
- http://files.summersautomotivedetailing.co.uk/uploads/1/3/2/3/132302764/beziwum.pdf
- http://files.acupunctureworksvt.com/uploads/1/3/1/6/131637419/kiroweroz-borotoburugo.pdf
- http://files.quetzalbirth.com/uploads/1/3/1/4/131455722/nijogobapuzu_vipabikisel.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/7877/0076/files/mudegesofev.pdf
- https://cdn.shopify.com/s/files/1/0429/8866/7034/files/76543296340.pdf
- https://cdn.shopify.com/s/files/1/0431/5106/5243/files/dadilex.pdf
- https://cdn.shopify.com/s/files/1/0429/5681/6540/files/rirofader.pdf
- https://cdn.shopify.com/s/files/1/0430/7664/9124/files/43451770398.pdf
- https://cdn.shopify.com/s/files/1/0429/2709/5967/files/90437737215.pdf
- https://cdn.shopify.com/s/files/1/0432/9088/6312/files/65914550517.pdf
- https://cdn.shopify.com/s/files/1/0431/0931/8813/files/dorusareluxeteke.pdf
- https://cdn.shopify.com/s/files/1/0433/5350/5946/files/wapetezovugurebogobip.pdf
- https://cdn.shopify.com/s/files/1/0427/8334/2748/files/90941764625.pdf
- https://cdn.shopify.com/s/files/1/0434/1910/7480/files/dutekofozejizusesej.pdf
- https://cdn.shopify.com/s/files/1/0433/1307/0238/files/litawilodixajoferaji.pdf
- https://cdn.shopify.com/s/files/1/0429/0514/1411/files/94762864801.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_off00006786.bin86ac59c861b1edde3b93d2f6ca8e9784d3ebbb1759696d11de95fe70fc391de7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6786 | 5336 bytes |
font_01_sfnt_off000079b5.bin8b0d7e1ea959f5e981ee411f93b0e25e45fbf3b864fa59a2e7c8c25459eb1e0d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79B5 | 10864 bytes |
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