MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, with one specifically pointing to a known malicious redirector. The ML classifier strongly indicated maliciousness. The document body, though partially corrupted, contains the same URL as the redirector, suggesting a lure to external content. The primary attack pattern involves leveraging these links for malicious redirection or SEO manipulation.
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=list+of+adverbs+without+ly+pdf
- http://files.joeprosit.com/uploads/1/3/1/4/131408209/8620030.pdf
- http://files.osrsinferno.org/uploads/1/3/2/6/132681296/59c51b6759b842e.pdf
- http://files.tosharollins.com/uploads/1/3/1/6/131607232/jodoxajupada-popeb-sujedoz.pdf
- https://cdn.shopify.com/s/files/1/0433/5727/4270/files/42716436077.pdf
- https://cdn.shopify.com/s/files/1/0437/8660/0609/files/81268687033.pdf
- https://cdn.shopify.com/s/files/1/0428/3911/3895/files/48583156294.pdf
- https://cdn.shopify.com/s/files/1/0428/7135/7596/files/65925892983.pdf
- https://cdn.shopify.com/s/files/1/0436/0116/6498/files/96025409172.pdf
- https://cdn.shopify.com/s/files/1/0427/9618/7815/files/microsoft_money_replacement.pdf
- https://cdn.shopify.com/s/files/1/0431/7950/7870/files/iifl_holdings_ltd_annual_report.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/51268900441.pdf
- https://cdn.shopify.com/s/files/1/0440/7086/2998/files/64638782155.pdf
- https://cdn.shopify.com/s/files/1/0430/6976/7842/files/71612019396.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006321.bin5eec5dba7792da284d39ec813b6e0305b47f54ba0ce38956fe606cf2d77530e4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6321 | 5464 bytes |
font_01_sfnt_off000075c3.bin45b2f328f724c6f80090be16cb496abd00a9e4a6c241aea6a69e6b7ab6089087 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75C3 | 9976 bytes |
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