MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a malicious redirector link that points to 'https://ttraff.ru/wix?keyword=aca+yellow+workbook+pdf'. This URL is flagged as malicious and is likely intended to lead the user to a phishing or malware distribution site. The PDF also contains a large number of external links, many pointing to Shopify, suggesting a link farm for SEO manipulation or to obscure the malicious destination. The ML classifier strongly indicates 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.ru/wix?keyword=aca+yellow+workbook+pdf
- https://cdn.shopify.com/s/files/1/0433/1690/4104/files/67373697990.pdf
- https://cdn.shopify.com/s/files/1/0430/9227/9463/files/ladenejipabaliwulagati.pdf
- https://cdn.shopify.com/s/files/1/0460/3281/4244/files/activesheet._listobjects._add_xlsrcrange_dynamic_range.pdf
- https://cdn.shopify.com/s/files/1/0430/8962/5241/files/pojakobevowobezugi.pdf
- https://static.usrfiles.com/ugd/96768c_3f24881d124e40e18e44c86575ac1b47.pdf
- https://static.usrfiles.com/ugd/b8c837_994f233a8f7142e2aa9eb3e797c90b38.pdf
- https://cdn.shopify.com/s/files/1/0431/6826/8456/files/minecraft_update_log.pdf
- https://cdn.shopify.com/s/files/1/0441/0304/1176/files/game_of_thrones_risk_map.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mavadusuwavofemikedoj.pdf
- https://cdn.shopify.com/s/files/1/0434/9100/0472/files/ligujibafujadadigenuvonat.pdf
- https://cdn.shopify.com/s/files/1/0431/5879/8492/files/statistical_analysis_of_microbiome_data_with_r_pdf.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_off0000b458.bind31e4e516c5aaf1510a8560b129382244786dd27c20bfc087c09a976cdb9ff10 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB458 | 5356 bytes |
font_01_sfnt_off0000c6b2.bine09eec09233be6298e815603b79ee119390dbb06bf183e9d483a7f26b1205527 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6B2 | 12512 bytes |
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