MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a heuristic firing for a malicious redirector link, pointing to ttraff.ru. The document body, though heavily obfuscated, contains the text "Paediatric asthma guidelines sign" and the malicious URL. The PDF also contains a link farm heuristic, indicating a large number of outbound links, many of which are hosted on cdn.shopify.com, with the first listed being a potential lure. 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/pify?keyword=paediatric+asthma+guidelines+sign
- http://files.kiwibirdphotography.com/uploads/1/3/1/8/131857476/f0a1ef182175e5.pdf
- http://files.phithetapsi.org/uploads/1/3/1/3/131398380/30321eec6337.pdf
- http://files.dns-for-me.org/uploads/1/3/1/8/131857758/vexix_visaxuge_zopawe.pdf
- http://files.laurascreativeattic.com/uploads/1/3/2/7/132712080/wubud-devub-bimisud-nepoz.pdf
- https://cdn.shopify.com/s/files/1/0433/8411/1267/files/merge_two_git_repositories.pdf
- https://cdn.shopify.com/s/files/1/0435/3549/9418/files/yamaha_command_link_plus_installation_manual.pdf
- https://cdn.shopify.com/s/files/1/0437/7224/8222/files/depusexilapugusaviguseziz.pdf
- https://cdn.shopify.com/s/files/1/0429/9581/0455/files/litezigarugotomifi.pdf
- https://cdn.shopify.com/s/files/1/0427/3651/7286/files/10768037470.pdf
- https://cdn.shopify.com/s/files/1/0432/4841/8973/files/rupexifabamik.pdf
- https://cdn.shopify.com/s/files/1/0430/3169/1421/files/suzafazobe.pdf
- https://cdn.shopify.com/s/files/1/0463/1196/4829/files/ffx_blitzball_leveling_guide.pdf
- https://cdn.shopify.com/s/files/1/0429/9682/6273/files/fugibopa.pdf
- https://cdn.shopify.com/s/files/1/0430/9617/8849/files/lebemeguvevatitofetu.pdf
- https://cdn.shopify.com/s/files/1/0439/3834/9211/files/the_strain_trilogy.pdf
- https://cdn.shopify.com/s/files/1/0431/4903/3627/files/bootstrap_template_creator_free.pdf
- https://cdn.shopify.com/s/files/1/0432/7017/6928/files/argosy_property_annual_report_2018.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_off00004d74.bine094d55476f474ac61ffdda82801d7fc4d3e1b8006e86788af2a807e09e81b11 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4D74 | 5352 bytes |
font_01_sfnt_off00005f7c.bin2f1215dae65bdbbd71dc3f7ba4745fc001602ce4fab8acb6f4b7c9c6232a92f9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F7C | 9932 bytes |
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