MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=toss+up+rules+pdf'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs, many hosted on Shopify. The ML classifier strongly indicated maliciousness. The document body contains the malicious URL and other Shopify-hosted PDF links, suggesting a lure to download or view further content, likely 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.ru/pify?keyword=toss+up+rules+pdf
- http://files.wfrw.org/uploads/1/3/1/4/131453602/gilunumeru.pdf
- http://files.kennyharris.net/uploads/1/3/0/7/130775813/703c8ad.pdf
- http://files.youthattentioncenter.com/uploads/1/3/1/1/131164520/rinanib.pdf
- https://cdn.shopify.com/s/files/1/0432/6083/8050/files/15149925766.pdf
- https://cdn.shopify.com/s/files/1/0430/5109/0077/files/avant_garde_theatre.pdf
- https://cdn.shopify.com/s/files/1/0453/3600/2715/files/pdf_file_merger_free_software_online.pdf
- https://cdn.shopify.com/s/files/1/0431/8996/0865/files/xexudunivi.pdf
- https://cdn.shopify.com/s/files/1/0434/5459/5224/files/anattalakkhana_sutta.pdf
- https://cdn.shopify.com/s/files/1/0433/1231/6584/files/hiit_weight_training_program.pdf
- https://cdn.shopify.com/s/files/1/0437/0097/7816/files/alternaria_species.pdf
- https://cdn.shopify.com/s/files/1/0435/4762/3592/files/international_vaccination_card.pdf
- https://cdn.shopify.com/s/files/1/0432/7102/8896/files/chiquito_team_band.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gomejalubewetilukifij.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000050eb.bin058bbde1f159ec27af7103fb2f2b331ef6c8f76bd4ca5aabff7e0ab27b2a8512 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x50EB | 4424 bytes |
font_01_sfnt_off00006000.bina1cb4a107421071618b98ee62c3855a21e03c92a2387bc721d735a167574e18e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6000 | 10144 bytes |
font_02_sfnt_off0000829b.binff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x829B | 4324 bytes |
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