MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, identified as a link farm, with the primary redirector pointing to a known malicious infrastructure. The ML classifier also strongly indicated maliciousness. The document body, though obfuscated, contains a URL that matches the primary redirector, suggesting an attempt to drive traffic to malicious sites.
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.ru/pify?keyword=inner+sea+gods+pdf
- http://files.joyuzsong.net/uploads/1/3/0/9/130969580/0c986066664.pdf
- http://files.mymindfulconnections.com/uploads/1/3/1/4/131437242/9565542.pdf
- http://files.dwolf.eu/uploads/1/3/1/8/131857562/3299978.pdf
- http://files.logisticmassagebodywork.com/uploads/1/3/1/3/131383657/ruzetexuf-suxekutudu-ranukezotefopa.pdf
- https://cdn.shopify.com/s/files/1/0431/4615/0039/files/nadaregudosetulugomedore.pdf
- https://cdn.shopify.com/s/files/1/0427/9032/2342/files/98732454291.pdf
- https://cdn.shopify.com/s/files/1/0440/8786/9592/files/99102041194.pdf
- https://cdn.shopify.com/s/files/1/0430/7560/0535/files/46923622479.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/93880590480.pdf
- https://cdn.shopify.com/s/files/1/0431/8956/7650/files/fufipipatulipotewoboto.pdf
- https://cdn.shopify.com/s/files/1/0427/6856/4380/files/fusupexoperemunejurasava.pdf
- https://cdn.shopify.com/s/files/1/0433/4141/4552/files/wimuganigenarawulobiji.pdf
- https://cdn.shopify.com/s/files/1/0433/4472/4133/files/61641376973.pdf
- https://cdn.shopify.com/s/files/1/0438/0554/0509/files/94250927340.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_off00005cd9.binbc706573a24b8bc2add14dd40bd0b00009662ff3dc9b85fc87ef38c660016edd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CD9 | 5112 bytes |
font_01_sfnt_off00006e50.bin730bd9e29f0afce8264e336e892ce9299640fbeee2eb003372adcf79a6ee050c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E50 | 9900 bytes |
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