MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains a large number of embedded links, many of which point to external resources. One of the primary links, https://ttraff.cc/pify?keyword=ascending+and+descending+order+worksheets+for+grade+5+pdf, is identified as a malicious redirector. The document body, though heavily obfuscated, appears to be an attempt to disguise the malicious intent with a seemingly educational topic. The ML classifier also strongly indicated maliciousness.
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=ascending+and+descending+order+worksheets+for+grade+5+pdf
- http://files.nyacklibrary.org/uploads/1/3/1/6/131636845/popotikozekiraj-pizuko.pdf
- http://files.asthewoodturnzne.net/uploads/1/3/0/9/130969037/18022.pdf
- http://files.800logiccor.com/uploads/1/3/1/3/131379343/zanadumawag-zasiku.pdf
- http://files.wayfinderlifecoaching.com/uploads/1/3/1/3/131381021/lukom.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0427/7737/8972/files/4209448585.pdf
- https://cdn.shopify.com/s/files/1/0436/0349/3028/files/71513701159.pdf
- https://cdn.shopify.com/s/files/1/0429/2925/8649/files/77070235886.pdf
- https://cdn.shopify.com/s/files/1/0431/3477/9553/files/77047970928.pdf
- https://cdn.shopify.com/s/files/1/0430/7881/1810/files/18932999421.pdf
- https://cdn.shopify.com/s/files/1/0428/7945/1295/files/wapofevosavufazukevogaw.pdf
- https://cdn.shopify.com/s/files/1/0440/7430/3640/files/how_to_convert_to_csv.pdf
- https://cdn.shopify.com/s/files/1/0440/8341/3142/files/s10_v8_swap.pdf
- https://cdn.shopify.com/s/files/1/0432/1941/9291/files/35961994713.pdf
- https://cdn.shopify.com/s/files/1/0430/3034/7938/files/98256761935.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_off00005081.bin8f96da96317add4dd5122d50d87cba0063f4161d979f44582abf070af9054d90 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5081 | 5656 bytes |
font_01_sfnt_off000063dc.bin0811bbe310223688aa0f16f790690ea6fd13106845444cc286636b61e616b4ca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63DC | 9912 bytes |
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