MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to a redirector service (ttraff.cc) known for malicious activity. The document body, though partially corrupted, suggests it is presented as a worksheet, likely to trick users into clicking the malicious links. 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/wb?keyword=identifying%20phrases%20and%20clauses%20worksheet
- http://files.donaldshoney.com/uploads/1/3/0/7/130775292/7315896.pdf
- http://files.newtestamentchristianschool.com/uploads/1/3/0/7/130739809/13ab5ad4.pdf
- http://files.stupindouscreations.com/uploads/1/3/1/3/131398351/sebovig.pdf
- http://files.chefrayllc.com/uploads/1/3/1/4/131407823/7922823.pdf
- https://cdn.shopify.com/s/files/1/0437/6245/0586/files/gakarabunile.pdf
- https://cdn.shopify.com/s/files/1/0435/8176/7848/files/crack_abbyy_transformer_3._0.pdf
- https://cdn.shopify.com/s/files/1/0435/5453/7624/files/emerald_tablets_translation.pdf
- https://cdn.shopify.com/s/files/1/0432/1312/7844/files/tepajonozujujoxuv.pdf
- https://cdn.shopify.com/s/files/1/0437/5989/4682/files/xelewefuguwowowupagab.pdf
- https://cdn.shopify.com/s/files/1/0434/7972/8281/files/53369760936.pdf
- https://cdn.shopify.com/s/files/1/0446/0825/8211/files/greenberg_classification_of_african_languages.pdf
- https://cdn.shopify.com/s/files/1/0430/4420/8789/files/81478104160.pdf
- https://cdn.shopify.com/s/files/1/0429/6481/1927/files/jaxizesavoworodirovixofa.pdf
- https://cdn.shopify.com/s/files/1/0433/1801/8216/files/zagunazirivuxitaxebokiki.pdf
- https://cdn.shopify.com/s/files/1/0427/4028/5607/files/faradelirufodeladasovop.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/
- https://cdn.shopify.com/s/files/1/0429/6481/1927/files/jaxizesavoworodirovix
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005403.bin70712f1a7d7f7ae2288483f6d7936dd10c51725fbbf5c3ae9bf88b42417a2c77 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5403 | 5612 bytes |
font_01_sfnt_off00006726.bin08e4987180bdb3b89894d9af88a5bb7083aaf9a8ad5fa9fdfbc709d31e8b350d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6726 | 9748 bytes |
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