MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded URLs, one of which, 'https://ttraff.cc/pify?keyword=avast+for+windows+7+pc', is flagged as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'Avast for windows 7 pc', suggesting a lure to trick users into clicking the malicious link. The presence of numerous other links, many pointing to Shopify, indicates a link farm strategy, likely to improve SEO for malicious content. The ML classifier strongly flagged this PDF as 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.cc/pify?keyword=avast+for+windows+7+pc
- http://zakapi.customcabinetrynewbraunfels.com/uploads/1/3/0/9/130969060/tirezipimijijugejij.pdf
- https://cdn.shopify.com/s/files/1/0433/4623/1449/files/the_old_man_and_the_sea_summary_and_analysis.pdf
- https://cdn.shopify.com/s/files/1/0432/8128/5286/files/gudokibezazarebarivoke.pdf
- https://cdn.shopify.com/s/files/1/0428/6477/1238/files/enlightenment_now_pdf_steven_pinker.pdf
- https://cdn.shopify.com/s/files/1/0433/6625/2703/files/little_alchemy_cheats_sheet.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/14981909947.pdf
- https://cdn.shopify.com/s/files/1/0434/0056/0803/files/getosule.pdf
- https://cdn.shopify.com/s/files/1/0432/6244/3683/files/85157757749.pdf
- https://cdn.shopify.com/s/files/1/0440/8036/5720/files/dojebisuraf.pdf
- https://cdn.shopify.com/s/files/1/0430/9745/6801/files/xibegamozek.pdf
- https://cdn.shopify.com/s/files/1/0430/7088/1946/files/75789503111.pdf
- https://cdn.shopify.com/s/files/1/0432/9324/5590/files/pizagowuzofiziduliwalo.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 |
|---|---|---|---|
stream_005_off00009ebc.bin86c54f3be8b8538378857d5ecc05af05cc4c9fbfc6cede62a3f1e40a7bd5bf5e |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x9EBC | 27596 bytes |
font_00_sfnt_off0000698c.binb6653373d224b31784775941348d08179bc3364a20143e6bd7e74a1b299e5ab6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x698C | 5340 bytes |
font_01_sfnt_off00007bda.bin6a95a3bce5e53aa8c491f801741abea4f1fa8efb4104f4eb4c0c1f72abdf75a5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BDA | 10152 bytes |
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