MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a high number of embedded links, with one identified as a malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains a URL that matches the malicious redirector found by heuristics, suggesting an attempt to drive traffic to potentially harmful content.
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=baidu+root+app+free++apk
- http://wenis.luis-mota.com/uploads/1/3/2/7/132740930/9812497.pdf
- http://files.michiganpremier.org/uploads/1/3/0/7/130739225/8980388.pdf
- http://files.daniellewestdyk.com/uploads/1/3/1/4/131437636/gituse.pdf
- http://files.sfcchicago.com/uploads/1/3/0/9/130969772/4605b14c6e7e.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/7665/7057/files/20582979657.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/40035930655.pdf
- https://cdn.shopify.com/s/files/1/0438/3352/4386/files/bohemian_rhapsody_easy_piano_sheet_music_free.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/38967404473.pdf
- https://cdn.shopify.com/s/files/1/0432/0568/9504/files/xelereganujax.pdf
- https://cdn.shopify.com/s/files/1/0430/6288/6549/files/pdf_watermark_remover_free_download.pdf
- https://cdn.shopify.com/s/files/1/0432/4851/7275/files/rain_beatles_lyrics.pdf
- https://cdn.shopify.com/s/files/1/0429/4914/8838/files/melesolezimuvoja.pdf
- https://cdn.shopify.com/s/files/1/0434/5797/0328/files/radud.pdf
- https://cdn.shopify.com/s/files/1/0437/5022/8119/files/tirasuponifetagunojibun.pdf
- https://cdn.shopify.com/s/files/1/0433/8722/4214/files/55020742003.pdf
- https://cdn.shopify.com/s/files/1/0438/0891/5616/files/79359636854.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_off0000771f.bin6d52d8af6e934e8a3ec661dc054c1d1f7dcda89d88b45ff2ad153f5220e42257 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x771F | 4940 bytes |
font_01_sfnt_off000087fe.bin4938dd2188aced57a63599483eab0b992ab4100cb09135fd7eb90961f9b6dedc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x87FE | 10352 bytes |
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