MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link redirects to a known malicious domain, ttraff.ru. This indicates a link farm or SEO poisoning technique used to lure victims. The document body, though heavily obfuscated, contains the URL https://ttraff.ru/pify?keyword=pharmacy+technician+exam+book+pdf, suggesting a lure related to exam preparation materials. 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=pharmacy+technician+exam+book+pdf
- http://files.nicolerosemedia.com/uploads/1/3/1/1/131163872/1592463.pdf
- http://files.fatcatproductions.com/uploads/1/3/0/7/130776483/pimovakakepukexudu.pdf
- http://files.arizonalocksmith.net/uploads/1/3/2/8/132814306/majedofoziripexekiro.pdf
- http://files.kitsbbqexpertsonline.com/uploads/1/3/1/3/131379054/5355708.pdf
- http://files.ozarkswoodandmore.com/uploads/1/3/1/0/131070469/f43979e.pdf
- https://cdn.shopify.com/s/files/1/0433/4642/8072/files/craftsman_26_snowblower.pdf
- https://cdn.shopify.com/s/files/1/0438/3378/6525/files/66774497198.pdf
- https://cdn.shopify.com/s/files/1/0429/9119/0167/files/rupaperu.pdf
- https://cdn.shopify.com/s/files/1/0432/2567/7982/files/95462335453.pdf
- https://cdn.shopify.com/s/files/1/0428/4468/4454/files/beaks_of_finches_lab.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/digalikerewuxajevukadud.pdf
- https://cdn.shopify.com/s/files/1/0432/4986/0765/files/katoniba.pdf
- https://cdn.shopify.com/s/files/1/0432/4907/4336/files/70690906141.pdf
- https://cdn.shopify.com/s/files/1/0430/3365/7498/files/67747960148.pdf
- https://cdn.shopify.com/s/files/1/0432/2469/4942/files/29577333784.pdf
- https://cdn.shopify.com/s/files/1/0431/3304/2839/files/dupaxe.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_off00006850.bin8f4d946347690712d57409b5a59495a3b81c684030a8004b93971274ce7dc300 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6850 | 5560 bytes |
font_01_sfnt_off00007b18.bin29f0a0e8f4552d1ebf0902649929cc1a7bf7901a0174da2df8d5b56ffe86cd79 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B18 | 9980 bytes |
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