MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'Cvs near upenn' and a URL that appears to be part of a link farm designed to drive traffic to potentially malicious sites. The ML classifier strongly indicated maliciousness, supporting the presence of malicious redirector links.
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.com/pify?keyword=cvs+near+upenn
- http://files.farmhousefixer.com/uploads/1/3/1/1/131164324/sotedonazelesidox.pdf
- http://sixile.sandringhamgolfclub.org.au/uploads/1/3/0/7/130775732/vuzobanovute.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/3695/8106/files/admin_dashboard_theme_free.pdf
- https://cdn.shopify.com/s/files/1/0437/6012/4065/files/nuwixuzojumumobinejobow.pdf
- https://cdn.shopify.com/s/files/1/0431/1531/5351/files/pixobujaragudavozaroviko.pdf
- https://cdn.shopify.com/s/files/1/0433/9607/1578/files/fugov.pdf
- https://cdn.shopify.com/s/files/1/0428/5222/1091/files/kotedaxukejexadozotudox.pdf
- https://cdn.shopify.com/s/files/1/0429/6087/9772/files/akkadian_language_dictionary.pdf
- https://cdn.shopify.com/s/files/1/0432/6631/0299/files/pokemon_leaf_green_walkthrough.pdf
- https://cdn.shopify.com/s/files/1/0427/9068/2783/files/yamang_tao_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mozesuseb.pdf
- https://cdn.shopify.com/s/files/1/0431/5312/9640/files/liragenudevomeva.pdf
- https://cdn.shopify.com/s/files/1/0434/6318/0438/files/anatomy_of_human_stomach.pdf
- https://cdn.shopify.com/s/files/1/0429/1146/5631/files/88214650171.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004aea.binda09a572160354929e299f1b1ec4f99e15d699d492432e5a37f60de69400f34b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4AEA | 4748 bytes |
font_01_sfnt_off00005b20.bin8f3af62cbaea12b99349697f3225ebfb3a8cce96ad1b4b4036b0af82710aab49 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B20 | 10464 bytes |
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