MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=novos+anticoagulantes+pdf', suggesting a lure to a malicious site. The presence of numerous Shopify-hosted PDF links indicates a potential link farm for SEO manipulation or distributing further malicious content.
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=novos+anticoagulantes+pdf
- http://demuvi.tccnetwork.org/uploads/1/3/1/6/131637224/7c68d69f2.pdf
- http://files.iwai-izmir.com/uploads/1/3/0/7/130776809/buvixexonebabop-botewejoto.pdf
- http://files.raleighroofing.org/uploads/1/3/0/7/130775970/1213792.pdf
- https://cdn.shopify.com/s/files/1/0437/4475/5866/files/54509229605.pdf
- https://cdn.shopify.com/s/files/1/0434/4935/2349/files/99489282466.pdf
- https://cdn.shopify.com/s/files/1/0439/8533/8526/files/3756275583.pdf
- https://cdn.shopify.com/s/files/1/0433/4718/1718/files/79720154677.pdf
- https://cdn.shopify.com/s/files/1/0430/3942/4669/files/54948233998.pdf
- https://cdn.shopify.com/s/files/1/0428/4622/4551/files/vugojani.pdf
- https://cdn.shopify.com/s/files/1/0434/7772/9442/files/vupunevewumikekabetijas.pdf
- https://cdn.shopify.com/s/files/1/0437/0792/4635/files/64223489551.pdf
- https://cdn.shopify.com/s/files/1/0428/3518/1724/files/pakozam.pdf
- https://cdn.shopify.com/s/files/1/0433/9033/7189/files/aleph_borges_ita.pdf
- https://cdn.shopify.com/s/files/1/0428/5834/8703/files/puvowoxuwukajo.pdf
- https://cdn.shopify.com/s/files/1/0431/8344/0030/files/tesimilanimowijowofekave.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_off00006d1d.binb073d4a81e00a144f23d4878ab898248e4c9f49bddbaba417102c7d3e6c2e8a5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D1D | 5256 bytes |
font_01_sfnt_off00007f27.bina8bc65d686381394f1bc4494f8d01739079216ace5ac63b1cc9d8c33566398fb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F27 | 10680 bytes |
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