MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'certificate of appreciation samples free' and the malicious URL, suggesting a lure to a phishing or malware distribution site. The ML classifier also strongly indicated maliciousness.
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=certificate+of+appreciation+samples+free
- http://modoto.centerstageplattsburgh.com/uploads/1/3/1/6/131637789/raninigepowokape.pdf
- http://files.brickhouseroofing.com/uploads/1/3/1/4/131437924/bc3a5.pdf
- http://files.807boutique.com/uploads/1/3/0/8/130813860/ridat.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/4442/1282/files/tepanuxuwipubo.pdf
- https://cdn.shopify.com/s/files/1/0435/6125/5073/files/36010953623.pdf
- https://cdn.shopify.com/s/files/1/0431/3802/3592/files/22243279297.pdf
- https://cdn.shopify.com/s/files/1/0431/8344/0036/files/amorphous_silicon_solar_cell.pdf
- https://cdn.shopify.com/s/files/1/0435/6590/8123/files/womikegavarigapodokebo.pdf
- https://cdn.shopify.com/s/files/1/0431/3094/5693/files/18310141806.pdf
- https://cdn.shopify.com/s/files/1/0429/5960/1830/files/dijujazogi.pdf
- https://cdn.shopify.com/s/files/1/0432/6467/1908/files/javegorur.pdf
- https://cdn.shopify.com/s/files/1/0439/9765/9294/files/7612783873.pdf
- https://cdn.shopify.com/s/files/1/0437/1572/3414/files/gagidopifukamawujulu.pdf
- https://cdn.shopify.com/s/files/1/0439/2573/3531/files/2239176239.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_off00005a3b.bin38d9246895d577a770a5e258e2234543c50963936d648d35b07f0bb494339b8e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A3B | 5064 bytes |
font_01_sfnt_off00006b58.bin8d0157baf54dcc97ed72493ead839cfbf15c034f22928bce4cea817a6d055510 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B58 | 9580 bytes |
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