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, a common technique for SEO poisoning or link farms. One of these links, https://ttraff.com/pify?keyword=general+guidelines+tradu%25C3%25A7%25C3%25A3o, points to a known malicious redirector. While many other links point to benign Shopify-hosted PDFs, the presence of the malicious redirector indicates a likely phishing or malware distribution attempt. The ML classifier also 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.com/pify?keyword=general+guidelines+tradu%25C3%25A7%25C3%25A3o
- http://files.professorwillis.com/uploads/1/3/0/9/130969819/3536095.pdf
- https://cdn.shopify.com/s/files/1/0443/8137/2582/files/saber_yo_form.pdf
- https://cdn.shopify.com/s/files/1/0427/3415/7991/files/22795745505.pdf
- https://cdn.shopify.com/s/files/1/0440/5824/7320/files/pag_ibig_acquired_assets_2020.pdf
- https://cdn.shopify.com/s/files/1/0429/6369/7817/files/lagu_lily_alan_walker_wapka.pdf
- https://cdn.shopify.com/s/files/1/0440/6929/0149/files/87862391538.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gomejalubewetilukifij.pdf
- https://cdn.shopify.com/s/files/1/0438/4073/3341/files/guxexilatosi.pdf
- https://cdn.shopify.com/s/files/1/0428/6529/5526/files/cassava_production_in_thailand.pdf
- https://cdn.shopify.com/s/files/1/0431/9094/3904/files/livodogelodada.pdf
- https://cdn.shopify.com/s/files/1/0431/4864/0418/files/32767711062.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_off00007295.bine396754b466a025e3a3ca5eb3340d9af85f02a3502abcdeee9b0c7a124cc338f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7295 | 5524 bytes |
font_01_sfnt_off000084d4.bin7042a1cc714ebb95adb4f8ee7d35447f9dacbe0460e87a6ea6adf3b84ca552f6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x84D4 | 10020 bytes |
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