MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains embedded links that redirect to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains a URL that is also flagged as a malicious redirector. The ML classifier strongly suggests maliciousness, and the presence of numerous external PDF links points to a link farm or SEO poisoning tactic.
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=interpersonal+communication+3rd+edition+pdf
- http://wivuraxup.premiertruckparts.ca/uploads/1/3/1/4/131407408/lapexabuwudenabogaf.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/0519/0041/files/candlestick_patterns_forex.pdf
- https://cdn.shopify.com/s/files/1/0439/1459/2408/files/245882356.pdf
- https://cdn.shopify.com/s/files/1/0427/6004/4710/files/43382574527.pdf
- https://cdn.shopify.com/s/files/1/0434/5528/3350/files/dulewefibegetazejatitab.pdf
- https://cdn.shopify.com/s/files/1/0432/0637/7632/files/65154407798.pdf
- https://cdn.shopify.com/s/files/1/0440/2829/7381/files/69910107536.pdf
- https://cdn.shopify.com/s/files/1/0430/3765/5191/files/bollinger_band_trading_rules.pdf
- https://cdn.shopify.com/s/files/1/0430/4224/2709/files/desubilipivixinepidupunop.pdf
- https://cdn.shopify.com/s/files/1/0430/4168/5665/files/biwolu.pdf
- https://cdn.shopify.com/s/files/1/0440/9825/7048/files/weporupajali.pdf
- https://cdn.shopify.com/s/files/1/0434/0436/1895/files/39062906658.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_off000043ea.bin78f32473f2f5f05e9e30593a4cbf9b2fc7c3068fa6d4e7758737a2825e59bb39 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x43EA | 5404 bytes |
font_01_sfnt_off00005624.bin28dea3a6b45c028f8bbe50da1a985def40821d18f017629477b1f9bbdec0ee5d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5624 | 10128 bytes |
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