MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to external resources, including a redirector URL. The heuristic firings indicate that this PDF is designed as a link farm, likely to direct users to malicious content or phishing sites. The ML classifier also strongly flagged this PDF as malicious.
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=beautiful+day+u2+chords+pdf
- http://wizusa.authorjon.com/uploads/1/3/1/4/131437615/mupovubijosuj-foberebajofof-pajimaro.pdf
- http://files.fancyfreeblog.com/uploads/1/3/0/8/130874667/6bd5f.pdf
- http://files.yorkanddistrictibc.co.uk/uploads/1/3/2/7/132740204/kavapu_purevudirubif.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/4323/2661/files/array_to_string_php.pdf
- https://cdn.shopify.com/s/files/1/0430/8202/3061/files/nujiranojotuti.pdf
- https://cdn.shopify.com/s/files/1/0440/8236/4566/files/56288841318.pdf
- https://cdn.shopify.com/s/files/1/0436/6853/7497/files/5158858790.pdf
- https://cdn.shopify.com/s/files/1/0432/9911/1070/files/32150403802.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/suramagufumaxuragozud.pdf
- https://cdn.shopify.com/s/files/1/0428/8921/6167/files/26995384543.pdf
- https://cdn.shopify.com/s/files/1/0429/1215/3766/files/mathematical_logic_ebbinghaus.pdf
- https://cdn.shopify.com/s/files/1/0433/9856/1957/files/waste_disposal_management_in_hospital.pdf
- https://cdn.shopify.com/s/files/1/0432/8354/6267/files/36638278814.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_off00005c96.bin51de22134af7f642262227d9335bc631a6ec06d6f712b6b9b50c032f01be2e57 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C96 | 5524 bytes |
font_01_sfnt_off00006f71.binaab988d5cbe507c9540287597ba7afa998f9c8e126739e916ffda0c6569e25ff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F71 | 15316 bytes |
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