MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a malicious redirector link and a large number of links to other PDFs, likely for SEO manipulation or to host further malicious content. The document body contains text related to downloading uTorrent, suggesting a lure for software downloads. The ML classifier 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.cc/pify?keyword=utorrent+free++cnet+for+windows+7
- http://files.thegraphitestore.com/uploads/1/3/0/7/130739117/4061410.pdf
- http://files.milinclinic.com/uploads/1/3/1/8/131857916/fapafisubemevuxis.pdf
- https://cdn.shopify.com/s/files/1/0434/3706/4348/files/2006_jetta_service_manual.pdf
- https://cdn.shopify.com/s/files/1/0428/3308/4575/files/vuriwigezadovokejoreba.pdf
- https://cdn.shopify.com/s/files/1/0434/4319/1960/files/apls_croup_guidelines.pdf
- https://cdn.shopify.com/s/files/1/0434/7301/0845/files/74525949088.pdf
- https://cdn.shopify.com/s/files/1/0430/4103/0293/files/14937113852.pdf
- https://cdn.shopify.com/s/files/1/0440/4409/1557/files/fupejonemi.pdf
- https://cdn.shopify.com/s/files/1/0430/5233/5255/files/7547883555.pdf
- https://cdn.shopify.com/s/files/1/0432/5765/9560/files/lujibipalilur.pdf
- https://cdn.shopify.com/s/files/1/0428/3056/1447/files/java_avl_tree_implementation.pdf
- https://cdn.shopify.com/s/files/1/0432/0745/8975/files/mobefugelezojolepasixa.pdf
- https://cdn.shopify.com/s/files/1/0431/6374/6465/files/77766362285.pdf
- https://cdn.shopify.com/s/files/1/0430/8379/2548/files/6574219710.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_off00005d62.bin44f9b42125954345d62bd821e358c824874471f870cf28250730a04e6b95aa0a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D62 | 4936 bytes |
font_01_sfnt_off00006e5c.bin8e88d5e6aa17ad8716f69d6e3fb7fbf61607290ace1e971c48020ec603e3cfcd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E5C | 9960 bytes |
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