MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, specifically 'https://ttraff.cc/pify?keyword=james+s+walker+physics+4th+edition+pdf'. This indicates the document is designed to redirect users to malicious infrastructure. Additionally, the PDF exhibits characteristics of a link farm, with numerous embedded URLs pointing to external PDF files, likely as a tactic to improve search engine ranking for malicious content or to distribute further payloads. The ML classifier strongly supports the malicious nature of this PDF.
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=james+s+walker+physics+4th+edition+pdf
- http://files.lorokawirehairedvizslas.com/uploads/1/3/0/8/130815017/1165479.pdf
- http://files.columbiadentcenter.com/uploads/1/3/1/3/131398504/6237341.pdf
- http://files.raewyncaisley.com/uploads/1/3/2/6/132681512/sapufup-kuwuluk-xinasawiwuboja-tepolige.pdf
- http://files.silverdollardogs.com/uploads/1/3/1/4/131483391/wukivifiwopajij.pdf
- https://cdn.shopify.com/s/files/1/0433/8499/5991/files/xikejuzunezipobogadi.pdf
- https://cdn.shopify.com/s/files/1/0429/5943/7975/files/89202438783.pdf
- https://cdn.shopify.com/s/files/1/0429/1405/4300/files/60446056272.pdf
- https://cdn.shopify.com/s/files/1/0429/6310/8003/files/17344449069.pdf
- https://cdn.shopify.com/s/files/1/0434/5082/6905/files/mk_vs_dc_universe_moves.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dedapefe.pdf
- https://cdn.shopify.com/s/files/1/0432/8030/2240/files/86107175561.pdf
- https://cdn.shopify.com/s/files/1/0427/4647/8759/files/73924173027.pdf
- https://cdn.shopify.com/s/files/1/0433/0291/2158/files/52172019478.pdf
- https://cdn.shopify.com/s/files/1/0430/7792/7072/files/stedman_s_medical_dictionary.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_off00006d3e.binf0675a9e5b73dd95d02c20ee2055e3f5a48e46275360b3ddae4cd1dbe40b6072 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D3E | 5732 bytes |
font_01_sfnt_off000080b7.bind620829f91ba5fe00156fabb24fb0749da9a6331a5a237484e768354d50b3880 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80B7 | 10960 bytes |
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