MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link to a redirector, which is a common technique for distributing malicious content. The document body, though heavily obfuscated, contains the string 'Avatar a lenda de korra mp4' and a URL that appears to be a lure. The PDF also contains a large number of links to other PDFs, suggesting a link farm or content distribution network. The ML classifier 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=avatar+a+lenda+de+korra++mp4
- http://fawivizuf.sdadata.org/uploads/1/3/2/6/132682347/mavebexinised.pdf
- http://fiposaw.atouchofclasshairsalon.ca/uploads/1/3/1/3/131379992/3281e04ac.pdf
- http://files.transformation4you.com/uploads/1/3/1/1/131163832/ea35f916f2c12.pdf
- http://files.attheranch.org/uploads/1/3/2/7/132740277/vufikevedin-dirulamopafixoj.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0438/2123/6384/files/wadalefoxilovekudumatu.pdf
- https://cdn.shopify.com/s/files/1/0430/8929/7568/files/limexonuxin.pdf
- https://cdn.shopify.com/s/files/1/0436/2698/7680/files/rupor.pdf
- https://cdn.shopify.com/s/files/1/0431/5847/0810/files/henri_bergson_laughter.pdf
- https://cdn.shopify.com/s/files/1/0432/4546/9858/files/boy_scout_cooking_merit_badge.pdf
- https://cdn.shopify.com/s/files/1/0434/5102/3510/files/75036093205.pdf
- https://cdn.shopify.com/s/files/1/0431/8468/5224/files/pubod.pdf
- https://cdn.shopify.com/s/files/1/0434/3899/7665/files/72960496427.pdf
- https://cdn.shopify.com/s/files/1/0429/9502/4033/files/skyrim_filled_grand_soul_gem_id.pdf
- https://cdn.shopify.com/s/files/1/0428/3550/9415/files/wupunuxujibofa.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_off00005543.binf1b393078158bd6b44c9894b9f8381237a84103f3e9d9a15672cc9b93bd70d4c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5543 | 5128 bytes |
font_01_sfnt_off000066ab.bin4fb702a7f06d9a6facc2d60539b10fe5cc8952ca9e551e44be2ac49fa69620ba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66AB | 10532 bytes |
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