MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links that redirect to a malicious URL, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains a reference to 'ms sql dba interview questions and answers.pdf' and the malicious URL, suggesting a lure. The ML classifier also strongly indicated maliciousness. The primary IOC is the redirector URL.
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=ms+sql+dba+interview+questions+and+answers.+pdf
- http://files.musicattheoldchapels.com/uploads/1/3/2/7/132710565/mubuvosawonazup.pdf
- http://files.edhiresolutions.com/uploads/1/3/0/8/130874180/9525148.pdf
- http://files.vickialford.com/uploads/1/3/1/4/131408170/9117558.pdf
- http://files.dogsltdtraining.com/uploads/1/3/1/3/131383607/67589f51.pdf
- http://files.edhiresolutio
- https://cdn.shopify.com/s/files/1/0435/8055/5419/files/68819524961.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/45292738862.pdf
- https://cdn.shopify.com/s/files/1/0432/3062/5950/files/29452586007.pdf
- https://cdn.shopify.com/s/files/1/0431/4506/8695/files/gedobugexusado.pdf
- https://cdn.shopify.com/s/files/1/0427/6014/3014/files/kasuwure.pdf
- https://cdn.shopify.com/s/files/1/0447/3847/8229/files/advertisement_analysis.pdf
- https://cdn.shopify.com/s/files/1/0437/4275/7029/files/41355448362.pdf
- https://cdn.shopify.com/s/files/1/0428/5654/6463/files/8684435145.pdf
- https://cdn.shopify.com/s/files/1/0430/7235/6514/files/gizijemo.pdf
- https://cdn.shopify.com/s/files/1/0434/3860/4450/files/lionel_richie_i_call_it_love.pdf
- https://cdn.shopify.com/s/files/1/0431/5319/5157/files/7043818297.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000079fe.bin74d5002c788b617a1a205305785ce757011009449c871bbebeac47e814269917 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79FE | 5372 bytes |
font_01_sfnt_off00008c61.bincee40ccc58bb7c7128845557d35f382e43e1172e6ac0ded9ca9f11a82d7287b7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C61 | 10356 bytes |
font_02_sfnt_off0000af89.binb50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF89 | 4324 bytes |
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