MALICIOUS
152
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 pointing to Shopify domains, but one critical link directs to a known malicious redirector at ttraff.ru. This redirector is disguised with a keyword related to pharmaceutical manufacturing best practices, likely to lure unsuspecting users. The ML classifier strongly supports the malicious nature of this PDF.
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=les+bonnes+pratiques+de+fabrication+des+m%25C3%25A9dicaments+pdf
- http://dodonas.auce.org/uploads/1/3/2/3/132303035/556783069.pdf
- http://files.jjeffreymesserole.com/uploads/1/3/1/3/131384018/f3faf9c41e.pdf
- http://files.davistennisacademy.com/uploads/1/3/0/8/130874058/mugobekoxisugimex.pdf
- https://cdn.shopify.com/s/files/1/0430/8212/1377/files/push_code_to_github.pdf
- https://cdn.shopify.com/s/files/1/0437/8725/5970/files/8404953965.pdf
- https://cdn.shopify.com/s/files/1/0436/0699/9203/files/66622635005.pdf
- https://cdn.shopify.com/s/files/1/0434/7042/2180/files/xepobofoz.pdf
- https://cdn.shopify.com/s/files/1/0435/8648/6440/files/18919145939.pdf
- https://cdn.shopify.com/s/files/1/0431/2609/6036/files/gajutusoga.pdf
- https://cdn.shopify.com/s/files/1/0431/0705/7825/files/9715002562.pdf
- https://cdn.shopify.com/s/files/1/0429/6451/7023/files/zelowati.pdf
- https://cdn.shopify.com/s/files/1/0438/2484/0861/files/sexual_and_asexual_reproduction_activity.pdf
- https://cdn.shopify.com/s/files/1/0428/7460/1635/files/advanced_excel_all_formula.pdf
- https://cdn.shopify.com/s/files/1/0430/4545/3985/files/41705393996.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_off000063c6.bin472e81b94a7bae943db567ce835f8e91b6de6b2f48e08691d400fd93421485af |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63C6 | 5616 bytes |
font_01_sfnt_off0000767d.bin8ce87fe85bf067c84b58148d1f8ba3d45f2543426ea6aedd226a70d9e75c1768 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x767D | 12044 bytes |
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