MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, with one identified as a malicious redirector. The ML classifier also flagged this PDF with high confidence. The document body appears to be obfuscated or corrupted, but the presence of numerous links suggests a link farm or redirection attack. The primary IOC is the malicious redirector URL.
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=gubbi+mele+brahmastra+kannada+movie
- http://files.khatso.net/uploads/1/3/1/3/131381782/mozunusapirav-poderopaga-sovilamupoki-zikopoponexe.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/6617/0271/files/18024840504.pdf
- https://cdn.shopify.com/s/files/1/0433/2378/5370/files/17075378572.pdf
- https://cdn.shopify.com/s/files/1/0428/2076/3804/files/nunokenavo.pdf
- https://cdn.shopify.com/s/files/1/0429/0261/8278/files/loxewigumi.pdf
- https://cdn.shopify.com/s/files/1/0438/2805/2130/files/4681116136.pdf
- https://cdn.shopify.com/s/files/1/0428/2961/1171/files/49945393333.pdf
- https://cdn.shopify.com/s/files/1/0428/5969/2191/files/zulufelodovovujiwadodamez.pdf
- https://cdn.shopify.com/s/files/1/0431/4424/9499/files/tizovesapejozoka.pdf
- https://cdn.shopify.com/s/files/1/0434/1520/8098/files/gary_hood_auto_clicker.pdf
- https://cdn.shopify.com/s/files/1/0440/5982/0182/files/moffett_forklift_parts_download.pdf
- https://cdn.shopify.com/s/files/1/0437/0743/3125/files/82449351141.pdf
- https://cdn.shopify.com/s/files/1/0432/1568/3743/files/wetuwajotanunagofu.pdf
- https://cdn.shopify.com/s/files/1/0431/6001/0906/files/sotekajezotudilitupam.pdf
- https://cdn.shopify.com/s/files/1/0433/6150/1334/files/bigekena.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_off00005497.bind7a3cd394168959250b5ccdd25a1b8fde122a308d3d5f97bdeacdb3b7a50ebbf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5497 | 5360 bytes |
font_01_sfnt_off000066ab.bin65c2f85ad073c981e765f3075eee6996fef4a8b73455219ea31236d6c548cdce |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66AB | 10156 bytes |
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