MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains multiple embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool often used to create malicious PDFs. The presence of numerous links, including a 'link farm' hosted on Shopify, indicates an attempt to distribute content or lure users to malicious sites. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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/wb?keyword=characteristics%20of%20plasmodium%20falciparum%20pdf
- http://files.uk.lollandfalsterairport.dk/uploads/1/3/1/4/131406658/7326236.pdf
- http://files.polbacquet-photo.com/uploads/1/3/1/6/131607522/3206702.pdf
- http://files.mdsmeats.co.uk/uploads/1/3/1/3/131383665/nuxevilupiju.pdf
- http://files.middlecedarwma.com/uploads/1/3/1/3/131379615/fetok.pdf
- http://files.barebeautymilnrow.com/uploads/1/3/0/7/130776452/8277044.pdf
- https://cdn.shopify.com/s/files/1/0437/4790/1592/files/vatativam.pdf
- https://cdn.shopify.com/s/files/1/0434/8936/2082/files/81015121974.pdf
- https://cdn.shopify.com/s/files/1/0428/4828/8935/files/50565617894.pdf
- https://cdn.shopify.com/s/files/1/0438/4745/0789/files/37916330100.pdf
- https://cdn.shopify.com/s/files/1/0437/2017/9864/files/defopuvidegetegaxofago.pdf
- https://cdn.shopify.com/s/files/1/0432/2725/0850/files/pomor.pdf
- https://cdn.shopify.com/s/files/1/0431/6554/8708/files/bazipo.pdf
- https://cdn.shopify.com/s/files/1/0429/4619/9711/files/33284694110.pdf
- https://cdn.shopify.com/s/files/1/0427/5834/0774/files/45225939270.pdf
- https://cdn.shopify.com/s/files/1/0432/8158/0188/files/nividiragaxifes.pdf
- https://cdn.shopify.com/s/files/1/0432/7122/5494/files/fibokosutenimoxapexa.pdf
- https://cdn.shopify.com/s/files/1/0432/3511/5175/files/5867184345.pdf
- https://cdn.shopify.com/s/files/1/0432/3665/5259/files/nokisej.pdf
- https://cdn.shopify.com/s/files/1/0432/8220/2782/files/fefekaxufibagakobosoxebe.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/
- https://cdn.shopify.com/s/files/1/0438/4745/0789/files/37916330
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008511.binabdd79f0cf66613c45fcd69fc90587a3a3108ed598e4163917bdf9d0dccfaaa6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8511 | 5196 bytes |
font_01_sfnt_off000096be.bind2201fe9bcfca134ac2b5e4cae5860b54e6d5e1aa8f6e82744b9d8d98adf41b7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x96BE | 11924 bytes |
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