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 of which point to a link farm hosted on Shopify. One of these links, disguised as a textbook download, redirects to a malicious domain (ttraff.com). This indicates a social engineering attack aimed at tricking users into visiting malicious sites. 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.com/pify?keyword=oxford+textbook+of+vascular+surgery+pdf
- http://files.healinginmotionpt.com/uploads/1/3/2/6/132682124/mebuxoxoxod_gekewu_fijelofal.pdf
- http://files.sawdustsistersbirdhouses.com/uploads/1/3/1/3/131398385/rawuxazoveno.pdf
- http://files.awordywomansguide.com/uploads/1/3/1/3/131380558/sewezakogotizij.pdf
- https://cdn.shopify.com/s/files/1/0434/4371/6262/files/68875895617.pdf
- https://cdn.shopify.com/s/files/1/0432/4648/5672/files/bejuzadebuj.pdf
- https://cdn.shopify.com/s/files/1/0428/7224/2342/files/xifadiniwijusapibola.pdf
- https://cdn.shopify.com/s/files/1/0433/0645/1094/files/gofexas.pdf
- https://cdn.shopify.com/s/files/1/0433/8103/1075/files/30580906872.pdf
- https://cdn.shopify.com/s/files/1/0427/5575/2103/files/todays_hebrew_date.pdf
- https://cdn.shopify.com/s/files/1/0434/5207/2088/files/dedogodogapazalanadusiv.pdf
- https://cdn.shopify.com/s/files/1/0433/0913/8084/files/nojizosemo.pdf
- https://cdn.shopify.com/s/files/1/0434/3998/0710/files/la_bobina_de_tesla.pdf
- https://cdn.shopify.com/s/files/1/0440/6283/4853/files/zefamowalap.pdf
- https://cdn.shopify.com/s/files/1/0443/1210/1020/files/estimation_of_evapotranspiration.pdf
- https://cdn.shopify.com/s/files/1/0437/8119/3885/files/nifedulasupo.pdf
- https://cdn.shopify.com/s/files/1/0431/9671/1073/files/oxford_bookworms_library_starter_escape.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_off00005dea.bin981d2fedc475c90144f346cec6901d6b584f8bb20470fda0cf3048d80b5b46aa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DEA | 5784 bytes |
font_01_sfnt_off000071ba.bin351275cb69658835f53c2e14315e4b0db1d5f50a9b30e8878cfc628bb4856aad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71BA | 9856 bytes |
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