MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of embedded links, many of which point to a link farm designed to redirect users to malicious sites, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK and PDF_SEO_LINK_FARM heuristics. The primary malicious URL identified is https://ttraff.com/pify?keyword=cours+de+l+anatomie+humaine+pdf, which is a known redirector. While no scripts were explicitly extracted, the nature of the embedded links suggests an attempt to lead the user to a malicious payload or phishing page.
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=cours+de+l+anatomie+humaine+pdf
- http://files.copperchiefstore.com/uploads/1/3/2/6/132682802/lanesiwanuza.pdf
- http://gilovogi.pdsummit.ca/uploads/1/3/0/8/130814328/zusovagoxomumof.pdf
- http://files.entotofoundation.org/uploads/1/3/1/4/131454986/c99c7462.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0440/4235/4853/files/74240023501.pdf
- https://cdn.shopify.com/s/files/1/0428/6083/9078/files/length_converter.pdf
- https://cdn.shopify.com/s/files/1/0431/6109/2255/files/xumogudelatonizo.pdf
- https://cdn.shopify.com/s/files/1/0430/3860/5461/files/onn_portable_charger.pdf
- https://cdn.shopify.com/s/files/1/0431/3815/4653/files/jutoxeripavejabomavam.pdf
- https://cdn.shopify.com/s/files/1/0429/8565/2375/files/49385048896.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/16481260084.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tifomev.pdf
- https://cdn.shopify.com/s/files/1/0435/6151/7217/files/15067208951.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/12339474235.pdf
- https://cdn.shopify.com/s/files/1/0429/6241/9863/files/44475791700.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_off00007320.bin58e0ca14a0ac524c6dc109b0a8c65dca0d74afd3b6482d9cb59b331b821f411b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7320 | 5188 bytes |
font_01_sfnt_off00008494.binf73a60bb1061eaa5b305020fab5a521f07c5528b98c76be87c24bca7382370e7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8494 | 12176 bytes |
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