MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, with one specifically pointing to a known malicious redirector. The document body itself is heavily obfuscated and contains metadata suggesting it was generated by wkhtmltopdf, a tool sometimes used to create malicious PDFs. The ML classifier also strongly indicated maliciousness.
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=castes+et+races+pdf
- http://matabokog.hypertubes.com/uploads/1/3/1/6/131606289/2794730.pdf
- http://files.suyana.net/uploads/1/3/1/0/131070539/fepizimomuk_xibobofem_gaguzeligofuzu.pdf
- http://files.ecooutpost.org/uploads/1/3/0/9/130969459/a3fca231b472f1f.pdf
- http://files.thesuperbros.com/uploads/1/3/0/7/130739746/jiliwixeg_regojinavom_tabatilebe_puwugi.pdf
- https://cdn.shopify.com/s/files/1/0438/2490/6397/files/zepokiwesarudijodimebode.pdf
- https://cdn.shopify.com/s/files/1/0437/4416/6037/files/buwanojaguvukaxajamo.pdf
- https://cdn.shopify.com/s/files/1/0431/6289/4495/files/wujunenopavamaburirogeroz.pdf
- https://cdn.shopify.com/s/files/1/0433/5150/7094/files/gegoxowibaziratopix.pdf
- https://cdn.shopify.com/s/files/1/0433/0346/9206/files/deguza.pdf
- https://cdn.shopify.com/s/files/1/0429/3384/6172/files/assembly_language_tutorial_for_beginners.pdf
- https://cdn.shopify.com/s/files/1/0431/8520/9507/files/pdf_bestand_comprimeren_online.pdf
- https://cdn.shopify.com/s/files/1/0431/3792/5269/files/gujujiluver.pdf
- https://cdn.shopify.com/s/files/1/0428/5225/3863/files/xarenugilaxezuzobo.pdf
- https://cdn.shopify.com/s/files/1/0431/2816/0420/files/pdf_split_and_merge_software_free_download_full_version.pdf
- https://cdn.shopify.com/s/files/1/0435/1534/7103/files/59226450292.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005fd2.bin24cfc9b70118436b927634044031aa93bdbca47489a5a454fc2384210afb1349 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FD2 | 5024 bytes |
font_01_sfnt_off000070ee.bin32f46dd276e83d0d25bc9d67b0d8843f5832eab640af4d8f4980aca3187fe792 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70EE | 9540 bytes |
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