MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a lure related to 'F1 visa questions and answers 2018' and embeds a link to a known malicious redirector. The ML classifier strongly indicates maliciousness. The primary attack vector appears to be social engineering via a deceptive document, leading to a malicious 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.com/pify?keyword=f1+visa+questions+and+answers+2018
- http://files.shscatalyst.com/uploads/1/3/1/3/131398479/xagilonagoboxox.pdf
- http://files.danyaleducation.com/uploads/1/3/1/8/131871762/8885636.pdf
- http://files.mushtaraka.net/uploads/1/3/1/0/131070688/govumamofaf_jivezeteposov.pdf
- https://cdn.shopify.com/s/files/1/0432/0958/8897/files/loxetapamugadogiwubuj.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/75904593322.pdf
- https://cdn.shopify.com/s/files/1/0428/2312/3100/files/91718318771.pdf
- https://cdn.shopify.com/s/files/1/0430/9703/0817/files/birujat.pdf
- https://cdn.shopify.com/s/files/1/0429/5265/5002/files/jubodewewefeponeveweve.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jojanasesejunuveko.pdf
- https://cdn.shopify.com/s/files/1/0434/3418/0769/files/verefokasovok.pdf
- https://cdn.shopify.com/s/files/1/0439/6810/2558/files/70885523231.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/bodadajigewodozisidezufe.pdf
- https://cdn.shopify.com/s/files/1/0429/6579/4969/files/tobedewimoxazomexegaxire.pdf
- https://cdn.shopify.com/s/files/1/0432/0621/3789/files/subenogelisozon.pdf
- https://cdn.shopify.com/s/files/1/0435/0512/3493/files/foluxekebuwowabetepu.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/1/0429/5265/5002/files/jubodewewef
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000080aa.bineab9ecd7b267d4629c2b39cc49d13acd87d4ff77a7752cd90557afc90c2f4b82 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80AA | 5424 bytes |
font_01_sfnt_off00009339.bin7ee87976a014669534d51a5472b6466a37ce32e74f44637ddd147cd84c8d0546 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9339 | 10148 bytes |
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