MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of external links, many pointing to Shopify-hosted PDFs, which is indicative of a link farm. One of the primary links directs to a known malicious redirector infrastructure. The ML classifier also strongly flagged this PDF as malicious. The document body itself is largely garbled but contains the target URL and a reference to wkhtmltopdf, suggesting it was generated programmatically.
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=diferencias+entre+estadistica+descriptiva+e+inferencial+pdf
- http://files.zovest.com/uploads/1/3/0/7/130775952/9003b52d.pdf
- http://butow.spicepeppergarden.com/uploads/1/3/1/3/131381489/vuxidudowoxazutarano.pdf
- http://files.mymothersbasementgallery.com/uploads/1/3/1/4/131407459/1347856.pdf
- http://files.hautedogs707.com/uploads/1/3/0/8/130814288/91f210366dd.pdf
- http://files.lemonstreetgallery.org/uploads/1/3/0/9/130969754/lawabajajidu_jodamika.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/0449/3987/files/telopopikajedufolazutefir.pdf
- https://cdn.shopify.com/s/files/1/0433/2896/2715/files/81499812485.pdf
- https://cdn.shopify.com/s/files/1/0434/7795/8816/files/82257355424.pdf
- https://cdn.shopify.com/s/files/1/0427/6230/5702/files/luzajimame.pdf
- https://cdn.shopify.com/s/files/1/0433/1631/4277/files/1998173539.pdf
- https://cdn.shopify.com/s/files/1/0431/8691/3439/files/collections_class_in_java.pdf
- https://cdn.shopify.com/s/files/1/0433/2912/6550/files/vupusedipegug.pdf
- https://cdn.shopify.com/s/files/1/0429/8565/2375/files/driver_san_francisco_mods.pdf
- https://cdn.shopify.com/s/files/1/0437/7182/2229/files/nopufifinazufogetilepub.pdf
- https://cdn.shopify.com/s/files/1/0431/9212/3556/files/miziwadudama.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_off00005cc3.bin7e4d23ad2d59d98a6a5f2bce2ec1fdab15b00329b11efb4cbf6d9d176b8f29f6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CC3 | 5208 bytes |
font_01_sfnt_off00006e8d.bin922dd9245c08ea180080efb77b42daec020313bde52a705a47cc01fbffb094d9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E8D | 10900 bytes |
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