MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a link farm pointing to numerous external PDFs, with one primary link leading to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/wb?keyword=vicks%20vaporizer%20manual%20v188', which is identified as a malicious redirector. This suggests the document's purpose is to lure users to malicious infrastructure, likely for further exploitation or credential harvesting.
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/wb?keyword=vicks%20vaporizer%20manual%20v188
- http://files.greendeckops.com/uploads/1/3/0/8/130814475/nonomafojur.pdf
- http://files.tyreljstarks.com/uploads/1/3/1/6/131606923/5949269.pdf
- http://wavev.areyoureallybringinghim.com/uploads/1/3/1/3/131398091/xejamupexirim.pdf
- https://cdn.shopify.com/s/files/1/0430/4856/6933/files/how_to_add_directory_to_path_linux.pdf
- https://cdn.shopify.com/s/files/1/0432/1725/6605/files/kagim.pdf
- https://cdn.shopify.com/s/files/1/0429/5157/3657/files/radio_shack_electronics_learning_lab_manual.pdf
- https://cdn.shopify.com/s/files/1/0432/2358/0831/files/34435501466.pdf
- https://cdn.shopify.com/s/files/1/0434/4895/9142/files/fugefozesevuluwosinuvob.pdf
- https://cdn.shopify.com/s/files/1/0449/6562/6015/files/ensayo_de_bienestar_social.pdf
- https://cdn.shopify.com/s/files/1/0431/9048/5150/files/17440328946.pdf
- https://cdn.shopify.com/s/files/1/0432/6853/8521/files/90706624312.pdf
- https://cdn.shopify.com/s/files/1/0428/5035/3318/files/kezezunamivijotalule.pdf
- https://cdn.shopify.com/s/files/1/0438/2906/7933/files/27121641548.pdf
- https://cdn.shopify.com/s/files/1/0432/9242/6405/files/21882084494.pdf
- https://cdn.shopify.com/s/files/1/0436/2679/1075/files/kalnirnay_calendar_2020_english.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_off00005e82.bin4197db3cd558998a958dae3d0f3b08309a424f6df44a64c0069a954620333864 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E82 | 5464 bytes |
font_01_sfnt_off00007115.bin13a2fc557e4e59b52bd5bbe60de89836c56fde1f653fc72572b18856c24538a2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7115 | 10008 bytes |
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