MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a malicious redirector link disguised as information about Android devices. The ML classifier strongly indicates maliciousness. The primary IOC is the redirector URL, which is designed to lead users to a malicious site. The PDF also contains a large number of links to other PDFs, likely for SEO manipulation or to obscure the malicious link.
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=android+9+f%25C3%25BCr+samsung+galaxy+s7+edge
- http://xitekijo.thetruthstandsforever.com/uploads/1/3/1/8/131856408/tuwajosen.pdf
- https://cdn.shopify.com/s/files/1/0436/4225/7561/files/ecocardiografia_tridimensional.pdf
- https://cdn.shopify.com/s/files/1/0433/7080/7459/files/batman_the_dark_knight_returns_comic_espaol.pdf
- https://cdn.shopify.com/s/files/1/0435/1583/8628/files/balthazar_menu.pdf
- https://cdn.shopify.com/s/files/1/0429/8892/9187/files/acanac_internet_speed.pdf
- https://cdn.shopify.com/s/files/1/0431/4293/8784/files/xotipevoruwa.pdf
- https://cdn.shopify.com/s/files/1/0431/6862/8890/files/82123158402.pdf
- https://cdn.shopify.com/s/files/1/0430/1619/2153/files/wagner_bridal_chorus.pdf
- https://cdn.shopify.com/s/files/1/0430/2172/9955/files/kogoxujurevi.pdf
- https://cdn.shopify.com/s/files/1/0433/0507/4838/files/30441688651.pdf
- https://cdn.shopify.com/s/files/1/0436/4002/9344/files/59678266561.pdf
- https://cdn.shopify.com/s/files/1/0427/6181/4172/files/91807641722.pdf
- https://cdn.shopify.com/s/files/1/0432/1722/3840/files/supa_hot_fire_gif.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006d49.bin04d70dabe0b1f538728ce42ca1dc2d86c809028b20a091e79a0885829686e328 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D49 | 5544 bytes |
font_01_sfnt_off00007fe0.bin434d0de92a8f789a03c995372d6aef8bf3ecb100da7a155e3dc068df47dfdcf2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7FE0 | 11180 bytes |
font_02_sfnt_off0000a4b7.bina542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA4B7 | 4324 bytes |
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