MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the URL that triggered the malicious redirector heuristic. The presence of a large number of external PDF links suggests a link farm or SEO manipulation tactic, potentially to distribute further malicious content or to obscure the true origin of the malicious redirect.
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/wb?keyword=petrochemical%20industry%20in%20usa%20pdf
- http://goladu.millbayrvresort.com/uploads/1/3/1/3/131380600/2340351.pdf
- http://files.lovetheeverglades.org/uploads/1/3/2/6/132696214/14dc3a7db.pdf
- http://falup.4thchakra.com/uploads/1/3/1/4/131407406/f9edb74.pdf
- https://cdn.shopify.com/s/files/1/0428/6713/0534/files/45765671602.pdf
- https://cdn.shopify.com/s/files/1/0432/1037/5325/files/93678471835.pdf
- https://cdn.shopify.com/s/files/1/0432/9802/9733/files/11649442674.pdf
- https://cdn.shopify.com/s/files/1/0430/9336/0801/files/kebusitepi.pdf
- https://cdn.shopify.com/s/files/1/0437/5917/3790/files/adobe_printer_free_download_windows_7.pdf
- https://cdn.shopify.com/s/files/1/0434/5243/2537/files/histology_cytology_and_embryology.pdf
- https://cdn.shopify.com/s/files/1/0434/1451/9966/files/30004411155.pdf
- https://cdn.shopify.com/s/files/1/0428/4055/5676/files/vijoxidivapejaniworomuz.pdf
- https://cdn.shopify.com/s/files/1/0434/0776/9750/files/26875011071.pdf
- https://cdn.shopify.com/s/files/1/0432/8184/2341/files/96310682030.pdf
- https://cdn.shopify.com/s/files/1/0431/8376/7713/files/biochemistry_proteins.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_off00006212.bin4155d4287f78e834d2aeb1a30a6fb164ece7c74903c4bc20812d59d7fda2845f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6212 | 5496 bytes |
font_01_sfnt_off000074a6.bin7768a08f8cb160225f4930a6decc904e4578607121676222d2188fdfd3ddcd4c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74A6 | 10088 bytes |
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