MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing for linking to known malicious redirector infrastructure, specifically 'https://ttraff.cc/pify?keyword=larval+acid+vanilla'. Additionally, it features a large number of embedded links to external PDF files, suggesting a link farm or distribution mechanism. The ML classifier also 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=larval+acid+vanilla
- http://files.bwnvva.org/uploads/1/3/2/6/132682342/tanegukuret.pdf
- http://files.nypdvolleyball.com/uploads/1/3/1/4/131407435/554429ccc22f3.pdf
- http://files.mshannahfreeman.com/uploads/1/3/0/9/130969434/c8a1c3689ee27b4.pdf
- http://files.christiestimber.com/uploads/1/3/2/3/132302815/a80bec9c772bc.pdf
- http://files.mymalloryenglish218.com/uploads/1/3/1/3/131381679/dipifo.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/6576/1176/files/44240798974.pdf
- https://cdn.shopify.com/s/files/1/0431/4133/3147/files/39713764700.pdf
- https://cdn.shopify.com/s/files/1/0433/9544/8997/files/72689200946.pdf
- https://cdn.shopify.com/s/files/1/0429/3866/3079/files/vonizabamifo.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sujaxitedidubabupopivup.pdf
- https://cdn.shopify.com/s/files/1/0433/4603/4853/files/zopexezufemorexus.pdf
- https://cdn.shopify.com/s/files/1/0431/4628/1122/files/59212718608.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/degejuwetisagemudow.pdf
- https://cdn.shopify.com/s/files/1/0435/2137/6410/files/8028389218.pdf
- https://cdn.shopify.com/s/files/1/0430/7098/0245/files/jojutekebumufavomalilowe.pdf
- https://cdn.shopify.com/s/files/1/0431/4054/6714/files/mixidevetu.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_off000062a9.binc03a33cf7fe988448b55768f37d818c9f687d175acce101b8c85dfaf486fe533 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62A9 | 4756 bytes |
font_01_sfnt_off000072e8.bin60ee71a9e1bb19f5548d2b5de7c221055659c3e3631f3c1d3cf4353afbf39f25 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72E8 | 10264 bytes |
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