MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though partially corrupted, contains text related to a Portuguese-Spanish dictionary and the malicious URL, suggesting a lure to a phishing or malware distribution site. The ML classifier strongly flagged this PDF as malicious.
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=diccionario+portugues+brasil+espa%25C3%25B1ol+pdf
- http://files.devlindesignstudio.com/uploads/1/3/2/7/132740540/5481416.pdf
- http://files.iscariotstories.com/uploads/1/3/0/7/130738620/7f48eee3c.pdf
- http://files.mtbafrica.com/uploads/1/3/1/4/131482968/purelap-tilizogoxibax-vuxigorajiwete-roxus.pdf
- https://cdn.shopify.com/s/files/1/0435/5201/4491/files/search_only_for_files_on_google.pdf
- https://cdn.shopify.com/s/files/1/0434/4433/8838/files/gelijidefodomobopog.pdf
- https://cdn.shopify.com/s/files/1/0429/5789/7882/files/begilaw.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/8007882555.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nubizasijimowedemo.pdf
- https://cdn.shopify.com/s/files/1/0432/1745/3211/files/57008866576.pdf
- https://cdn.shopify.com/s/files/1/0439/1777/0904/files/ambiente_organizacional.pdf
- https://cdn.shopify.com/s/files/1/0431/8026/1525/files/77127293114.pdf
- https://cdn.shopify.com/s/files/1/0431/1249/7305/files/american_college_of_clinical_pharmacy.pdf
- https://cdn.shopify.com/s/files/1/0439/1721/3864/files/html_to_npm.pdf
- https://cdn.shopify.com/s/files/1/0429/7595/3049/files/19790658082.pdf
- https://cdn.shopify.com/s/files/1/0435/2756/9576/files/faminuwoxoj.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_off00005315.bin0b1c2c01d5795c9ed646dc61ce8283babdbcc8ff133ce41fde84796971242e1e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5315 | 5672 bytes |
font_01_sfnt_off00006628.binbb4fa80d01fef7e5b3d7986660cd059a66a1bb13c4686dbbf964be8b59083611 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6628 | 11704 bytes |
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