MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains a large number of embedded links, many of which point to a malicious redirector URL. The primary purpose appears to be SEO link farming, directing traffic through the malicious URL. The ML classifier strongly indicated maliciousness, and the presence of a known malicious redirector confirms this. No scripts were extracted, but the embedded links are sufficient evidence of malicious intent.
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/wix?keyword=etica+cristiana+medieval
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/5076/1377/files/76926764951.pdf
- https://cdn.shopify.com/s/files/1/0433/9879/1329/files/98540913327.pdf
- https://cdn.shopify.com/s/files/1/0431/1135/0439/files/kisasaxapajimasagupibid.pdf
- https://cdn.shopify.com/s/files/1/0434/4732/0728/files/bodemoferi.pdf
- https://cdn.shopify.com/s/files/1/0428/8030/3267/files/nopirubovi.pdf
- https://static.usrfiles.com/ugd/b8c837_373e51d2c003456db1c69914a14cc01c.pdf
- https://static.usrfiles.com/ugd/de60da_31d3250ed3fd4eddab77cc2b08fe7de2.pdf
- https://static.usrfiles.com/ugd/b8c837_e457ef8d9ca54f368d538eec07eb97c9.pdf
- https://static.usrfiles.com/ugd/f459ea_bd60cd1626a94a24b4a732d7e908f20c.pdf
- https://static.usrfiles.com/ugd/0bcf16_c6b6651aa7924c978bc37a4617638c1f.pdf
- https://static.usrfiles.com/ugd/c1108c_166a6cb1f10b4210b405897cfdc233e5.pdf
- https://static.usrfiles.com/ugd/b8c837_08eeb43d05254791a498f9333ada8f1e.pdf
- https://cdn.shopify.com/s/files/1/0431/4375/7992/files/lawujaradufodugu.pdf
- https://cdn.shopify.com/s/files/1/0435/3848/1320/files/diplomacy_trait_pathfinder.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_off0000b557.binf3ba6c70fcab2c17d27a4a8c3270226cf193a244ca91dcd331ff7baadd2fd358 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB557 | 5104 bytes |
font_01_sfnt_off0000c697.bina061cf79c9c034594278b1dddee74714ba8f9fe871b9db62b6d880dec522c63f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC697 | 11912 bytes |
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