MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF file contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector. The document body, though heavily obfuscated, contains text related to 'Pcb design rules' and the malicious URL. The primary malicious URL, 'https://ttraff.com/pify?keyword=pcb+design+rules+pdf', is identified as a redirector, likely leading to a further stage of the attack. The presence of a large number of external links, many pointing to Shopify, suggests a link farm or SEO poisoning tactic to improve search engine visibility for malicious content.
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=pcb+design+rules+pdf
- http://files.divinaartwork.com/uploads/1/3/0/8/130813859/kizumuviz.pdf
- https://cdn.shopify.com/s/files/1/0429/6094/5305/files/oil_centrifuge_working_principle.pdf
- https://cdn.shopify.com/s/files/1/0447/5614/0186/files/counterparty_credit_risk_management.pdf
- https://cdn.shopify.com/s/files/1/0431/5460/4198/files/putenofufiwaxaf.pdf
- https://cdn.shopify.com/s/files/1/0432/6955/4332/files/vuzulakaloparogefatiro.pdf
- https://cdn.shopify.com/s/files/1/0435/0584/4390/files/carte_blanche_credit_cards.pdf
- https://cdn.shopify.com/s/files/1/0431/5326/0706/files/54949985355.pdf
- https://cdn.shopify.com/s/files/1/0428/6044/5855/files/35443488683.pdf
- https://cdn.shopify.com/s/files/1/0439/1701/7243/files/visuvotapuvegunu.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/13139855908.pdf
- https://cdn.shopify.com/s/files/1/0440/0958/6853/files/pegolib.pdf
- https://cdn.shopify.com/s/files/1/0434/6046/0706/files/rizisodefatabadek.pdf
- https://cdn.shopify.com/s/files/1/0431/7272/4885/files/children_s_tylenol_dosage_chart.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_off00005f78.bin1b3bd0b7b1571d3ac1d8edec0ab1289b52d28170801310da746ecff60e348b9d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F78 | 5252 bytes |
font_01_sfnt_off00007159.binb2a9abbf543eb7ae137798badbda2d49ca414ac05b9771b8b93b7b9ca7dcb7c6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7159 | 9488 bytes |
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