MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass external link farm, with one URL pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to an annual report and the malicious URL, suggesting a lure to trick users into visiting the redirector. 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.com/pify?keyword=bcpl+railway+infrastructure+ltd+annual+report
- http://files.brookes.edu/uploads/1/3/1/4/131453354/7535991.pdf
- http://files.pink-backpack.com/uploads/1/3/2/6/132682882/setixanazal.pdf
- http://files.wilkersonhomesinc.com/uploads/1/3/1/3/131398406/84e5dda05163f1.pdf
- https://cdn.shopify.com/s/files/1/0431/9376/1941/files/28532335219.pdf
- https://cdn.shopify.com/s/files/1/0428/6509/8908/files/gukomewudotutetavuf.pdf
- https://cdn.shopify.com/s/files/1/0431/4847/6570/files/vurogaxawemakaj.pdf
- https://cdn.shopify.com/s/files/1/0431/0820/4704/files/36122193245.pdf
- https://cdn.shopify.com/s/files/1/0431/8828/9694/files/57693820392.pdf
- https://cdn.shopify.com/s/files/1/0435/8828/8675/files/baixar_jogos_para_android_hackeados.pdf
- https://cdn.shopify.com/s/files/1/0429/6327/1833/files/janapadalu_songs_mp4.pdf
- https://cdn.shopify.com/s/files/1/0433/7221/6483/files/bridal_chorus_piano.pdf
- https://cdn.shopify.com/s/files/1/0431/8153/9483/files/88313696119.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_off0000552f.bina0ef4764576ddfd97a00265fd75ccbf602deacdff6bd9acd3f5c197f4e75bc50 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x552F | 5272 bytes |
font_01_sfnt_off00006735.bin4d044fc256c1dc1bd443659fd3c388f4d31753ee26a20b12e12ea568861e4e09 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6735 | 12204 bytes |
font_02_sfnt_off00008e9f.bina542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E9F | 4324 bytes |
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