MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded links, with one identified as a known malicious redirector. The document body, though heavily obfuscated, also contains URLs pointing to external resources. The ML classifier strongly indicates maliciousness, and the presence of a redirector suggests an attempt to lead the user to a malicious site, likely for phishing or malware delivery.
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=business+english+lessons+free+pdf
- http://files.danaparalegal.com/uploads/1/3/0/8/130814652/vipeped-falifed-pijifisiwusuwa.pdf
- http://levuxupu.asdarchitects.com/uploads/1/3/1/8/131856166/rudepadaxubabokelepo.pdf
- http://files.eptsgym.com/uploads/1/3/1/3/131381946/3428864.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/0491/8941/files/patitorarirulo.pdf
- https://cdn.shopify.com/s/files/1/0428/0942/6079/files/votutor.pdf
- https://cdn.shopify.com/s/files/1/0431/8222/7617/files/nefinaxakibulowuxasowutil.pdf
- https://cdn.shopify.com/s/files/1/0434/3860/4450/files/nojoserir.pdf
- https://cdn.shopify.com/s/files/1/0431/6443/4583/files/sapui5_expression_binding_formatter.pdf
- https://cdn.shopify.com/s/files/1/0435/6079/6318/files/39955324240.pdf
- https://cdn.shopify.com/s/files/1/0433/4950/8250/files/string_to_byte.pdf
- https://cdn.shopify.com/s/files/1/0434/6229/5714/files/pokime.pdf
- https://cdn.shopify.com/s/files/1/0444/4022/3911/files/michael_cembalest.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_off00007066.bineeb935ac8c1b3aff11f22139a8c57530eec9ed0988b3e9f6c7070df71aa230f0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7066 | 5144 bytes |
font_01_sfnt_off000081d8.bin48266362b775b06ec319393202a9fbf38cacfab5b46fdb983d0e8914e1cfb7ce |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x81D8 | 9816 bytes |
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