MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by an ML classifier with high confidence. It contains a significant number of embedded links, with one identified as a known malicious redirector. The document body, though heavily obfuscated, contains references to the malicious URL and appears to be generated by wkhtmltopdf, a tool often used to create PDF documents from web content. The presence of a link farm suggests an attempt to lure users to malicious infrastructure.
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.ru/pify?keyword=actor+s+nightmare+script+pdf
- http://files.collectifcontraceptionliege.com/uploads/1/3/0/7/130740013/2094605.pdf
- http://files.centexautomotiverestoration.com/uploads/1/3/0/7/130739280/mojuwadetubiga-lefasel.pdf
- http://files.matthewfleckenstein.com/uploads/1/3/1/6/131606201/04bcfa4c.pdf
- http://files.aoemedia.tv/uploads/1/3/0/8/130873820/6159849.pdf
- https://cdn.shopify.com/s/files/1/0437/6500/6494/files/rebokudagogibuxaxuvegegul.pdf
- https://cdn.shopify.com/s/files/1/0439/8468/3166/files/lawejaforofipa.pdf
- https://cdn.shopify.com/s/files/1/0430/7140/6237/files/27123235127.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/61411835552.pdf
- https://cdn.shopify.com/s/files/1/0427/8091/7926/files/70188788718.pdf
- https://cdn.shopify.com/s/files/1/0437/8443/7922/files/path_2_1_7_5_7.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/jepomosojavadoji.pdf
- https://cdn.shopify.com/s/files/1/0431/5299/8556/files/sarizegawese.pdf
- https://cdn.shopify.com/s/files/1/0433/9662/8641/files/bike_spare_parts_name_list_with_images.pdf
- https://cdn.shopify.com/s/files/1/0430/3863/8241/files/applied_mathematics_2_notes.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_off00006070.binbd8e4352d6ae3140bd7521f8895932efdbe65cbe3b32615e231df8875a4300c7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6070 | 5528 bytes |
font_01_sfnt_off00007311.bin24485d6d07972392991bf325f31e8c64c3bf0a6bcbd168cbfbffea6065661dea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7311 | 10280 bytes |
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