MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=beside+vs+besides+exercises+pdf', which is also flagged as a malicious redirector. This suggests the document's primary purpose is to lure users to malicious sites by disguising them as exercise PDFs.
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=beside+vs+besides+exercises+pdf
- http://files.stocktontrapandskeet.com/uploads/1/3/0/7/130776680/suzokabizatirawa.pdf
- http://files.popacake.com/uploads/1/3/0/7/130739353/34e50a.pdf
- http://nunopex.traversebaygroup.com/uploads/1/3/2/6/132696398/c3dff838ce53.pdf
- http://gipukuw.irishshepherdshuts.com/uploads/1/3/2/7/132712207/vurokojoxojopuj_gusig_ponipewe_pekas.pdf
- https://cdn.shopify.com/s/files/1/0428/5782/4419/files/foluwezow.pdf
- https://cdn.shopify.com/s/files/1/0431/3468/1250/files/24545525051.pdf
- https://cdn.shopify.com/s/files/1/0434/3427/9062/files/52537514502.pdf
- https://cdn.shopify.com/s/files/1/0432/0267/4845/files/mekege.pdf
- https://cdn.shopify.com/s/files/1/0430/7012/8277/files/wutuvajozitamumuv.pdf
- https://cdn.shopify.com/s/files/1/0429/1588/9305/files/82887243322.pdf
- https://cdn.shopify.com/s/files/1/0435/2563/6248/files/xutiwogenisajekotufevotu.pdf
- https://cdn.shopify.com/s/files/1/0437/9190/9025/files/code_complete_steve_mcconnell.pdf
- https://cdn.shopify.com/s/files/1/0430/3529/5905/files/fuwelolorogo.pdf
- https://cdn.shopify.com/s/files/1/0434/0236/3045/files/93999472920.pdf
- https://cdn.shopify.com/s/files/1/0430/8893/7120/files/53969379048.pdf
- https://cdn.shopify.com/s/files/1/0431/5391/6053/files/22709780608.pdf
- https://cdn.shopify.com/s/files/1/0431/9241/8468/files/luwef.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_off00005e69.bin138bddb7e3fdac8f27a4b6b21a055020523049e9343d6a1693d39c533ea43c05 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E69 | 5224 bytes |
font_01_sfnt_off00007043.binc0752071fd8c6ad72ce4650d21adeaecb62b317814a5e008dda805f85e779709 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7043 | 10304 bytes |
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