MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier as malicious and contains a high number of embedded links. One of these links, 'https://ttraff.ru/pify?keyword=semiologia+pulso+arterial+pdf', points to a known malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting a lure to external content. The presence of numerous Shopify-hosted PDF links indicates a potential SEO poisoning or link farm tactic.
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=semiologia+pulso+arterial+pdf
- http://files.gospeltrumpet.net/uploads/1/3/0/7/130739318/a19b58.pdf
- http://files.edenbertrang.com/uploads/1/3/1/3/131380482/voxoxalivoxi_fedotira.pdf
- http://rololotum.crystalvielula.com/uploads/1/3/0/7/130775320/seperatas.pdf
- https://cdn.shopify.com/s/files/1/0431/0463/2992/files/mowawajonavelebitazilebir.pdf
- https://cdn.shopify.com/s/files/1/0432/3590/1602/files/mojivetagobubuwepeluv.pdf
- https://cdn.shopify.com/s/files/1/0432/6568/7717/files/pifaraz.pdf
- https://cdn.shopify.com/s/files/1/0431/4628/1121/files/manual_d_calculation.pdf
- https://cdn.shopify.com/s/files/1/0432/4828/7904/files/jasewotenuxi.pdf
- https://cdn.shopify.com/s/files/1/0435/0253/4822/files/halo_encyclopedia_download.pdf
- https://cdn.shopify.com/s/files/1/0430/3428/0090/files/wajote.pdf
- https://cdn.shopify.com/s/files/1/0431/8865/0142/files/1393350377.pdf
- https://cdn.shopify.com/s/files/1/0427/7728/0671/files/wuzerononowesazive.pdf
- https://cdn.shopify.com/s/files/1/0434/6934/0822/files/89847367833.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_off00006073.bine837fc6dbffdc3f2f68244f5abedd7ce3e90bba7fe6693fbeb4845bde0705bfa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6073 | 5464 bytes |
font_01_sfnt_off000072ef.bin94844fde83a8e3e5b8f1c92e82b9dbef8189ec9606c0f73ecb91231451fd9580 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72EF | 9656 bytes |
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